{"title":"Waterproofing Primers","description":"\u003cp\u003ePrimers prepare porous, non-porous or moisture-affected substrates so the waterproof membrane bonds and performs. Use a porous-substrate primer on render, screed and fibre cement, a non-porous primer on dense surfaces, and a moisture-barrier primer where residual concrete moisture must be blocked before the membrane.\u003c\/p\u003e\u003cp\u003eAlways follow the membrane manufacturer's primer schedule, because primer compatibility is system-specific.\u003c\/p\u003e","products":[{"product_id":"megapoxy-154","title":"Megapoxy 154","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor treating damp surfaces, masonry, and green concrete, Megapoxy 154 is a two-component water-based epoxy designed to prime, seal, and provide a moisture barrier before laying down floor finishes or secondary membranes. It cures to a matte, chemical-resistant coating that tolerates foot traffic and light vehicular traffic in large commercial spaces like car parks and warehouses.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eMegapoxy 154 combines epoxy adhesion with the practical application benefits of a water carrier, allowing it to penetrate and bond directly to damp concrete substrates. The mixed formula acts as a concrete curing membrane, a dust sealer for interior concrete floors, or a moisture barrier on damp surfaces before installing timber or vinyl overlays. It is also suitable as a primer for acrylic and polyurethane membranes (excluding WBE Clear), ensuring a sound bond key on porous masonry and concrete.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e60-minute work time (at 25°C):\u003c\/strong\u003e Your application window to mix, thin with water if required, and roll or spray the material before it begins to set.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e140–180 minutes thin film cure (at 25°C):\u003c\/strong\u003e Rapid initial drying phase under standard conditions to minimise downtime between coats.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e24-hour minimum cure time (at 25°C and 50% RH):\u003c\/strong\u003e The compulsory drying window required before applying subsequent waterproof membranes, adhesives, mortars, decorative coatings, or top treatments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e5 to 8 sqm per litre coverage:\u003c\/strong\u003e Application rate per coat for a smooth finish when applied by brush, roller, or airless spray.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e10°C minimum application temperature:\u003c\/strong\u003e The lower limit for the substrate and ambient air; application below this point dramatically slows curing and can cause amine blush.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGreen concrete and damp surfaces:\u003c\/strong\u003e Prime and seal damp masonry where standard solvent-borne epoxies cannot bond.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSlab preparation:\u003c\/strong\u003e Seal concrete slabs to control moisture vapour before laying down vinyl and timber overlays.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTrafficable floors:\u003c\/strong\u003e Dust-seal interior concrete floors in high-traffic zones exposed to oil, grease, chemicals, and light vehicles.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMembrane priming:\u003c\/strong\u003e Apply as a preparatory primer under acrylic and polyurethane waterproofing membranes.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eNot a standalone waterproofing membrane:\u003c\/strong\u003e Megapoxy 154 is a barrier and primer, not a flexible waterproof membrane. Use a dedicated waterproofing membrane where water exclusion is required.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRigid cure:\u003c\/strong\u003e Once cured, the epoxy is rigid and will not absorb or bridge movement cracks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUV exposure:\u003c\/strong\u003e Megapoxy 154 will tend to chalk and yellow when exposed to UV light. For external applications, apply a UV-resistant top coat.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSubstrate compatibility:\u003c\/strong\u003e Do not apply over surfaces previously treated with curing compounds, PVA concrete bonding agents, or acrylic coatings. Mechanically clean these back to bare concrete first.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNo metal application:\u003c\/strong\u003e Do not apply to steel or metal surfaces, as corrosion will occur.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNo cement mixing:\u003c\/strong\u003e Do not add cementitious products directly to Megapoxy 154.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHumidity and cold limits:\u003c\/strong\u003e Curing is dramatically slowed if relative humidity exceeds 80% or if temperatures fall below 10°C. In cool conditions, substrate temperatures can produce an oily amine blush or tacky discolouration, which must be fully removed before applying subsequent coats.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003eAll surfaces must be structurally sound and clean of previous coatings, adhesives, efflorescence, laitance, grease, and oil by grinding, shot blasting, high-pressure water washing, or mechanical scrubbing. Repair all holes and non-structural cracks with suitable Megapoxy repair compounds before priming.\u003c\/p\u003e\n \u003cp\u003eMix 1 Part A to 1 Part B by volume in a clean mixing vessel for a minimum of 3 minutes. If thinning, up to 25% water may be added and mixed until completely homogeneous \u003cem\u003eafter\u003c\/em\u003e the resin and hardener are fully mixed. Do not mix Part A, Part B, and water at the same time. In cold temperatures, mix for at least 1 extra minute and let the mixed batch stand for 5 minutes to accelerate drying. For best results, store the kit at 20°C for 24 hours prior to mixing.\u003c\/p\u003e\n \u003cp\u003eMegapoxy 154 requires a minimum of two coats, applied with a brush or roller at right angles to the previous coat to fill voids and eliminate pinholes. Test the wet film depth at random points during application with a wet film gauge. For porous concrete, a third coat may be required. For non-slip finishes, mix a fine epoxy-grade sand aggregate directly into the wet mix, or broadcast coarser aggregate directly into the first wet coat and seal with subsequent coats. Clean all mixing tools and equipment with \u003ca href=\"\/products\/megapoxy-thinners\"\u003eMegapoxy Thinners\u003c\/a\u003e immediately after use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"Default Title","offer_id":43822340473024,"sku":"MP154\/20","price":700.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/products\/megapoxy-154-water-based-epoxy-concrete-primer-adheseal.png?v=1763706786"},{"product_id":"everflex-wbp-primer-water-based","title":"Everflex Primer WBP","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor porous wall and floor substrates prior to tiling, levelling, or waterproofing, Everflex Primer WBP is a water-based, penetrating acrylic primer designed to seal the surface, enhance adhesion, and prevent blistering and pinholes in subsequent coatings.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eEverflex Primer WBP penetrates porous building materials to form a sound, uniform surface. By sealing the substrate, it controls absorption to eliminate pinholes and surface blistering in self-levelling compounds and waterproofing membranes. It dries to a tack-free, translucent pale green film, letting installers easily identify primed areas and verify coverage before proceeding with subsequent installations.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e15 to 30 minutes cure time\u003c\/strong\u003e (at 23°C) — rapid drying window allows subsequent coatings or compounds to be applied quickly once dry to a translucent film.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6m² to 9m² per litre consumption\u003c\/strong\u003e — physical property consumption rate (with approximate application coverage extending from 5 to 10m² per litre depending on substrate porosity).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLess than 16g\/L VOC content\u003c\/strong\u003e — low-odour, non-toxic formulation that meets Green Star environmental criteria.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10°C to 35°C application range\u003c\/strong\u003e — the required temperature envelope for safe film formation and curing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cp\u003eThis primer is suitable for internal and external walls and floors over a wide range of porous building substrates, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConcrete cured for a minimum of 28 days\u003c\/li\u003e\n\u003cli\u003e3:1 sand cement screeds or C-Bed\u003c\/li\u003e\n\u003cli\u003eMasonry and cement render cured for a minimum of 4 days\u003c\/li\u003e\n\u003cli\u003eMedium-density and compressed fibre-cement sheet\u003c\/li\u003e\n\u003cli\u003eCement sheeting, underlays, external weatherboard, and blue board\u003c\/li\u003e\n\u003cli\u003eJointing compound over plasterboard\u003c\/li\u003e\n\u003cli\u003eWet area plasterboard and Villaboard\u003c\/li\u003e\n\u003cli\u003eBrickwork and Hebel aggregate blocks\u003c\/li\u003e\n\u003cli\u003ePre-cast concrete once form release agents are completely removed or dissipated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem compatibility\u003c\/h3\u003e\n\u003cp\u003eEverflex Primer WBP is formulated for use with subsequent Adheseal-supplied systems, specifically:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproofing membranes:\u003c\/strong\u003e Everflex WPUV, Everflex HVUV, Everflex WPM Fast cure, and Everflex Aqua-Ban.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTile adhesives:\u003c\/strong\u003e Cement-based ceramic tile adhesives and grouts, including Gripset C-Lite, Gripset C-Mastic, RLA Unigrip, and RLA Mastic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevelling compounds:\u003c\/strong\u003e Aftek Bulk Fill and Tru-Level F23 self-levelling compound.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not apply when temperatures are below 10°C or above 35°C.\u003c\/li\u003e\n\u003cli\u003eDo not apply on damp, wet, or contaminated substrates, if it is raining, or if rain is imminent.\u003c\/li\u003e\n\u003cli\u003eNot suitable for areas subject to rising damp or hydrostatic pressure; use \u003ca href=\"\/products\/everflex-vbs\"\u003eEverflex VBS\u003c\/a\u003e instead.\u003c\/li\u003e\n\u003cli\u003eNot designed to withstand foot traffic or remain as a exposed trafficable surface.\u003c\/li\u003e\n\u003cli\u003eLimited UV resistance; not designed for long-term UV exposure and must be overcoated.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication and preparation\u003c\/h3\u003e\n\u003cp\u003eAll substrates must be structurally sound, dry, clean, and free of dust, oils, grease, curing compounds, form release agents, or friable material. Do not use solvents or acid etching to clean the subfloor. If mechanical preparation is required, use dry diamond grinding to achieve a roughened, open porous profile, then vacuum thoroughly.\u003c\/p\u003e\n\u003cp\u003eTo verify substrate porosity, dispense a water puddle the size of a 1-dollar coin onto the surface. If the water absorbs in under two minutes, the substrate is porous. If the puddle remains, the substrate is non-porous and requires a light grind or sand to ensure adhesion.\u003c\/p\u003e\n\u003cp\u003eApply Everflex Primer WBP by brush, roller, or spray, ensuring complete coverage. The primer must stay wet on the surface for at least 2 minutes to penetrate effectively. If the primer dries instantly upon application, reapply immediately.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Adheseal","offers":[{"title":"5L","offer_id":46349645840576,"sku":"PRIMEWBP\/5","price":48.26,"currency_code":"AUD","in_stock":true},{"title":"15L","offer_id":37551478931648,"sku":"PRIMEWBP\/15","price":113.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/everflex-wbp-water-based-primer-waterproofing-adheseal.jpg?v=1763706888"},{"product_id":"2001-primer","title":"Adheseal Primer 2001","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor prep work on porous substrates or metal surfaces prior to sealing, Adheseal Primer 2001 is a solvent-based reactive polyurethane primer that enhances bond strength and prevents corrosion. It provides a reliable bonding surface for polyurethane and hybrid sealants on challenging substrates, and acts as a rust inhibitor on scratched metal surfaces during automotive glass and windscreen replacements.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003ePrimer 2001 operates as an air-drying, reactive polyurethane liquid. When applied to porous materials like timber and masonry, the low-viscosity formula penetrates the surface to establish a secure chemical key for subsequent polyurethane and hybrid coatings. On metals, it seals the substrate to inhibit rust formation in areas where the protective coating has been scratched or compromised.\u003c\/p\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePorous substrates, including timber and masonry, to secure polyurethane and hybrid sealant adhesion.\u003c\/li\u003e\n\u003cli\u003eMetal surfaces, particularly during windscreen and automotive glass replacement, to inhibit rust.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConsumption of 50-150ml per square metre, depending on the porosity of the substrate, to ensure adequate surface saturation.\u003c\/li\u003e\n\u003cli\u003eApplication temperature range of 10-35 degrees Celsius to allow correct reaction and curing.\u003c\/li\u003e\n\u003cli\u003eViscosity of 15 seconds (Ford cup #4 @20 degrees Celsius), indicating a highly fluid liquid consistency that penetrates deeply into porous surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication and clean-up\u003c\/h3\u003e\n\u003cp\u003eApply Primer 2001 using a clean brush or cloth. Uncured primer must be cleaned immediately with \u003ca href=\"\/products\/acetone\"\u003eacetone\u003c\/a\u003e or \u003ca href=\"\/products\/xylene\"\u003exylene\u003c\/a\u003e. Once the primer has cured, it cannot be dissolved by solvents and must be removed by mechanical means. Store the product in cool, dry conditions between 10-35 degrees Celsius.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Adheseal","offers":[{"title":"1L","offer_id":37551479980224,"sku":"PRIME2001\/1","price":59.51,"currency_code":"AUD","in_stock":true},{"title":"250ml","offer_id":46349645775040,"sku":"PRIME2001\/250","price":34.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/primer-2001-1l-pink-polyurethane-concrete-adheseal.png?v=1763706991"},{"product_id":"everflex-vbs","title":"Everflex VBS Water-based Epoxy Primer","description":"\u003cdiv role=\"main\"\u003e\n  \u003cp\u003eFor sealing green concrete, priming damp substrates, or blocking rising damp, Everflex VBS Water-based Epoxy Primer provides a high-density moisture barrier. This two-part water-based epoxy controls negative hydrostatic pressure up to a 25-metre head of water, preventing moisture migration from destroying timber flooring, polyurethane membranes, and floor coatings.\u003c\/p\u003e\n\n  \u003ch3\u003eHow it works\u003c\/h3\u003e\n  \u003cp\u003eEverflex VBS forms a low-permeability barrier that blocks water vapour and liquid water pressure from the negative side of the substrate. Once fully cured, the water-based epoxy film does not re-emulsify when exposed to moisture. The formulation also inhibits the growth of mould and biological organisms. When used as a vapour barrier system, the dried film must reach a minimum thickness of 0.33mm (330 microns) to achieve its rated 0.12g\/24hrs\/m²mmHg permeance rating and resist up to 250kPa of hydrostatic pressure.\u003c\/p\u003e\n\n  \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e0.33mm dry film thickness:\u003c\/strong\u003e The minimum dry film thickness required to block negative vapour pressure.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e250kPa hydrostatic pressure:\u003c\/strong\u003e Withstands up to a 25-metre head of water when applied at the specified film thickness.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e4 to 24 hours recoat window:\u003c\/strong\u003e The critical window at 25°C and 50% relative humidity for overcoating. If this window is missed, a fresh coat of Everflex VBS must be applied before applying membranes or paints.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1:1 mix ratio:\u003c\/strong\u003e Simple, equal-part mixing by volume or weight of Part A and Part B to prevent curing failure.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e\u0026lt;5g\/L VOC:\u003c\/strong\u003e Meets \"Green Star\" environmental criteria for indoor air quality.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n  \u003cp\u003eEverflex VBS is suitable for internal and external applications on the following structurally sound substrates:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eConcrete (cured for at least 14 days) and pre-cast concrete (with release agents removed)\u003c\/li\u003e\n    \u003cli\u003e3:1 sand cement and engineered screeds\u003c\/li\u003e\n    \u003cli\u003eMasonry and cement render (cured for at least 4 days)\u003c\/li\u003e\n    \u003cli\u003eCement sheeting, underlay, external weatherboard, blue board, Scyon, and AAC systems\u003c\/li\u003e\n    \u003cli\u003eWet area plasterboard and Villaboard\u003c\/li\u003e\n    \u003cli\u003eTimber flooring, including structural plywood Type A (PAA JAS-ANZ)\u003c\/li\u003e\n    \u003cli\u003eBrickwork and Hebel aggregate blocks\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatible systems\u003c\/h3\u003e\n  \u003cp\u003eThis primer is formulated for subsequent application of:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEverflex WPUV, HVUV, WPM Fast cure, and Aqua-Ban membranes\u003c\/li\u003e\n    \u003cli\u003ePolyurethane membranes and 2-part cementitious membranes\u003c\/li\u003e\n    \u003cli\u003eParquetry adhesives\u003c\/li\u003e\n    \u003cli\u003eUrethane floor coatings\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eApplication and film thickness\u003c\/h3\u003e\n  \u003cp\u003eSubstrates must be clean, stable, free of surface water, and free of form release agents or curing compounds. Mix Part A and Part B in a 1:1 ratio with an electric mixer. Pot life is 2 hours at 25°C, reducing to 1 hour at 35°C.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAs a standard primer:\u003c\/strong\u003e Apply at a rate of 4 to 6 m² per litre by brush or roller. For highly porous surfaces or 14-day-old concrete, apply a secondary coat at the same rate 2 hours after the first is touch-dry.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAs a vapour barrier system:\u003c\/strong\u003e Dilute the mixed batch with 10% water and apply as a wash coat. Apply the first undiluted coat at 5 m² per litre. Fill cracks and voids with VBS repair paste (mixed VBS combined with 1 part Portland cement and 1 part kiln-dried sand) while the first coat is wet. Apply at least 2 additional undiluted coats (waiting 2 hours after touch-dry and within 24 hours) until a minimum 0.33mm dry film thickness is achieved. Do not dilute subsequent coats.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAs an isolation barrier:\u003c\/strong\u003e Apply multiple coats until the area achieves a completely uniform colour.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eLimitations\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDo not apply if temperatures are below 10°C or above 35°C during application or cure.\u003c\/li\u003e\n    \u003cli\u003eDo not apply to metallic surfaces.\u003c\/li\u003e\n    \u003cli\u003eDo not apply to wet surfaces with standing or running water, or if rain is imminent.\u003c\/li\u003e\n    \u003cli\u003eNot suitable as an exposed final coating; has limited UV resistance and must be overcoated with a suitable UV-stable topcoat.\u003c\/li\u003e\n    \u003cli\u003eOnce fully cured (5 to 7 days), another coat of Everflex VBS must be applied if a membrane or paint coating is to be installed over it.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Adheseal","offers":[{"title":"Default Title","offer_id":43822339621056,"sku":"PRIMEVBS\/20","price":440.44,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/everflex-vbs-water-based-epoxy-vapour-barrier-adheseal.png?v=1763706991"},{"product_id":"gripset-gp-general-purpose-primer","title":"Gripset GP Primer","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor porous building substrates where preparation is required before waterproofing or tiling, GP Primer consolidates the surface and stabilises porosity. It forms a high-adhesion bonding key across porous materials, ensuring that Gripset waterproof membranes and tile adhesives adhere reliably without premature water loss into the substrate.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eGP Primer is a water-based general purpose primer that dries from a milky white liquid to a clear finish. It seals porous surfaces to prevent dust, rapid absorption, and surface suction from robbing moisture from overlying membranes, coatings, and adhesives. It is formulated to be compatible with the full suite of Gripset systems across both internal and external installations.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-minute dry time:\u003c\/strong\u003e Fast-drying window at 23°C and 50% relative humidity, allowing waterproofing or tiling work to proceed with minimal downtime. Cool or humid conditions will extend this window.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 to 10m² per litre coverage:\u003c\/strong\u003e Economical coverage rate per coat, helping estimating accuracy on large-scale masonry, screed, or concrete prep jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 to 2 coats:\u003c\/strong\u003e Single-coat application is standard for typical porous substrates, while two coats are required for highly porous or dusting surfaces like aerated concrete.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete and masonry:\u003c\/strong\u003e Suitable for cured concrete, concrete blocks, brickwork, and general masonry surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreeds and renders:\u003c\/strong\u003e Stabilises sand-cement screeds, renders, and aged screed surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerated concrete:\u003c\/strong\u003e Consolidates highly porous and dusting surfaces including Hebel and aerated concrete blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheeting and board:\u003c\/strong\u003e Prepares compressed fibre cement sheeting and plasterboard for waterproofing and tiling systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture limits:\u003c\/strong\u003e Do not apply over damp surfaces, substrates with elevated residual moisture, or areas subject to rising damp. For damp or high-moisture substrates, use \u003ca href=\"\/products\/gripset-e60\"\u003eGripset E60\u003c\/a\u003e or Xpress H20 Primer Plus. Active moisture or rising damp must be treated with Gripset E60.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature boundaries:\u003c\/strong\u003e Do not apply when surface or ambient temperatures are above 35°C or below 5°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather restrictions:\u003c\/strong\u003e Do not apply if rain is falling or imminent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication purity:\u003c\/strong\u003e Must be applied neat. Do not dilute with water or solvent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePreparation and application\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCure windows:\u003c\/strong\u003e Allow new concrete to cure for a minimum of 28 days, and screeds or renders to cure for at least 7 days before priming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface cleanliness:\u003c\/strong\u003e Substrates must be clean, dry, smooth, and free from laitance, curing compounds, release agents, dust, oil, grease, wax, moss, algae, and existing coatings. Mechanical removal via grinding or abrasive blasting is required for structurally unsound layers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefect remediation:\u003c\/strong\u003e Fill and level all pitted sections, voids, holes, and non-structural cracks prior to priming. Use \u003ca href=\"\/products\/gripset-11y\"\u003eGripset 11Y\u003c\/a\u003e enhanced repair mortar or RLA repair mortars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication method:\u003c\/strong\u003e Apply neat using a brush or medium nap roller over the entire area of the intended system. Highly porous or dusting surfaces like Hebel or aged screeds require two coats to stabilise the surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercoating:\u003c\/strong\u003e Ensure the primer is dry before applying any finishes. Install subsequent membranes or tile adhesives shortly after the primer dries to prevent site dust from contaminating the surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean up:\u003c\/strong\u003e Wash tools in water while the primer is still wet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"5L","offer_id":37551511240896,"sku":"PRIMEGRIPGP\/5","price":87.36,"currency_code":"AUD","in_stock":true},{"title":"15L","offer_id":37551511339200,"sku":"PRIMEGRIPGP\/15","price":190.51,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/gripset-gp-5l-primer-porous-seal-waterproofing-adheseal.png?v=1763708493"},{"product_id":"gripset-xpress-sp-rapid-set-primer","title":"Gripset Xpress SP Primer","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor high-adhesion priming on non-porous, dense, and smooth substrates where standard absorbing primers cannot bond, Gripset Xpress SP Primer provides a solvent-free alternative to hazardous solvent-based systems. It is formulated to enable the direct application of Gripset self-adhesive sheet and liquid membrane systems over challenging wall and floor surfaces without the need for chemical etching or grinding.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eXpress SP Primer creates a high-strength physical key over smooth substrates, achieving mechanical adhesion over glazed ceramic tiles, vitrified tiles, natural stone, and metals without modifying the substrate surface. It dries to a non-tacky, low-dirt-retention finish that prevents contamination before the membrane or adhesive layer is applied. Because the formula has nil VOC content, it meets the requirements of Green Star Rating tools for multi-unit residential, commercial, and healthcare developments.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-minute dry time:\u003c\/strong\u003e Fast-drying window at 23°C and 50% relative humidity, allowing rapid progression to the membrane application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.83 MPa adhesion to glazed tiles:\u003c\/strong\u003e Verified bond strength directly to glazed surfaces, eliminating the need for mechanical etching or chemical profiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.8 MPa adhesion to James Hardie Scyon:\u003c\/strong\u003e Reliable structural bond directly to Scyon Secura external and internal flooring systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Litre per 12m² minimum coverage:\u003c\/strong\u003e Direct coverage rate on smooth, non-porous surfaces such as metal, glass reinforced concrete, and glazed tiles. Porous or highly absorbent substrates may require up to 1 Litre per m².\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cp\u003eSuitable for commercial, industrial, and residential applications on both walls and floors. Compatible substrates include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetals including galvanised iron, zincalume, aluminium, stainless steel, copper, brass treated steel, and colorbond sheeting.\u003c\/li\u003e\n\u003cli\u003eExisting ceramic tiles, vitrified tiles, natural stone, and glazed surfaces.\u003c\/li\u003e\n\u003cli\u003ePrecast concrete, tilt-up concrete, and glass reinforced concrete.\u003c\/li\u003e\n\u003cli\u003eJames Hardie Scyon Secura external and internal flooring.\u003c\/li\u003e\n\u003cli\u003eHardwood, dense timber surfaces, marine plywood, and timber sheet surfaces.\u003c\/li\u003e\n\u003cli\u003eBrickwork (clay and concrete), compressed cement sheeting, and plasterboard.\u003c\/li\u003e\n\u003cli\u003ePolymer mortars, synthetic mortars, and smooth self-levelling compounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not use as a primer in areas subject to rising moisture or negative hydrostatic pressure.\u003c\/li\u003e\n\u003cli\u003eDo not use in immersed applications such as pools or water tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and surface preparation\u003c\/h3\u003e\n\u003cp\u003eAll substrates must be structurally sound, smooth, stable, dry, clean, and free from loose material, de-bonded coatings, curing compounds, release agents, laitance, or grease. Structurally unsound layers must be mechanically removed by grinding, abrasive blasting, or blast tracking.\u003c\/p\u003e\n\u003cp\u003eStir the primer thoroughly before application. Apply an even coat using a low-nap roller or a long-bristle brush. For spray application parameters, contact Gripset Technical Services. Clean up tools with water while the primer is wet; once dry, the product must be removed mechanically or with a solvent.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"Default Title","offer_id":43822340178112,"sku":"PRIMEGRIPSP\/10","price":298.34,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/gripset-xpress-sp-rapid-primer-waterproofing-adheseal.png?v=1763709693"},{"product_id":"gripset-xpress-h2o-plus","title":"Gripset Xpress Primer H2O Plus Primer","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eTo prevent waterproofing membranes and topical coatings from blistering or delaminating over damp or green concrete, Xpress Primer H2O Plus Primer forms a single-component vapour barrier that locks down residual substrate moisture. Unlike traditional epoxy vapour barriers, this water-resistant primer stops moisture without altering the surface profile, preserving the original texture of your screed, render, or concrete so overlaid finishes can achieve their intended mechanical bond.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eXpress Primer H2O Plus Primer is applied as a neat, single-coat liquid that penetrates mineral substrates. As it cures, it changes colour from milky white to a slight green tinge, finally drying completely clear to show it is ready for overcoating. This built-in visual indicator helps installers avoid premature membrane application, which can trap uncured moisture and lead to system failure. When used as a standalone sealer over screeds and renders, the primer blocks mineral migration to reduce efflorescence. On bare concrete, it seals the pores to prevent carbonation, protecting the reinforcing steel from structural degradation.\u003c\/p\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSubstrates:\u003c\/strong\u003e Concrete, green concrete, concrete block, screeds, renders, masonry, aerated concrete, compressed fibre cement sheeting, and plasterboard.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOverlaid systems:\u003c\/strong\u003e Recommended for priming porous surfaces prior to applying Gripset Xpress Multi Pro Membrane, as well as other overlaid membranes and coatings.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSealing applications:\u003c\/strong\u003e Standalone sealing for concrete carbonation protection and efflorescence control on sand-cement screeds and mineral renders.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e1 hour dry time:\u003c\/strong\u003e Fast-drying formula (at 23°C and 50% relative humidity) that allows you to apply waterproofing membranes or decorative finishes with minimal downtime on-site.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1 litre per 6m² coverage:\u003c\/strong\u003e A reliable application rate for estimating material requirements over standard mineral surfaces, though actual coverage varies with substrate porosity.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1-component formulation:\u003c\/strong\u003e Ready to use straight from the pail without measuring, mixing, or pot-life limitations associated with two-part epoxy barriers.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eSuitable for use over concrete and mineral surfaces only.\u003c\/li\u003e\n \u003cli\u003eDo not apply to substrates subject to active, continuous sources of rising moisture or negative hydrostatic pressure; these must be treated with \u003ca href=\"\/products\/gripset-e60\"\u003eGripset E60\u003c\/a\u003e.\u003c\/li\u003e\n \u003cli\u003eDo not apply when surface or ambient temperatures are below 5°C or above 35°C.\u003c\/li\u003e\n \u003cli\u003eDo not apply when raining or when rain is imminent.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication and preparation\u003c\/h3\u003e\n \u003cp\u003eAll substrates must be clean, sound, smooth, and free of laitance, curing compounds, release agents, existing coatings, and general contaminants. High MPa concrete, burnished concrete, or steel-floated concrete surfaces that show no water absorption must be mechanically abraded or roughened to ensure the primer can penetrate the pores. Apply one coat neat by brush or medium nap roller until full coverage is achieved. Do not dilute. To prevent site dust or debris from contaminating the primed surface, install overlaid membranes or finishes shortly after the primer dries clear.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"Default Title","offer_id":43822340145344,"sku":"PRIMEGRIPH20\/10","price":389.93,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/gripset-xpress-primer-h2o-plus-waterproofing-adheseal.png?v=1763709693"},{"product_id":"gripset-op-primer","title":"Gripset OP Primer","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor waterproofing and tiling installations where adhesion to metal flashings, rigid PVC leak control flanges, ceramic tiles, or smooth concrete is required, OP Primer provides a solvent-free bonding bridge. It establishes a secure grip on difficult, non-porous surfaces to prevent Gripset membranes and tile adhesives from peeling or de-bonding over time.\u003c\/p\u003e\n\u003ch3\u003eHow it builds adhesion\u003c\/h3\u003e\n\u003cp\u003eOP Primer dries to a textured, non-tacky finish that creates a mechanical key on smooth substrates. This surface texture gives the subsequent membrane, tile adhesive, or polymer coating a high-friction physical bond, bypassing the need for aggressive solvent-based primers or hazardous etching chemicals. The water-based formulation is low-VOC and dries to a distinct blue colour, allowing installers to easily verify full, uniform coverage across the substrate.\u003c\/p\u003e\n\u003ch3\u003eSubstrate compatibility\u003c\/h3\u003e\n\u003cp\u003eThis primer is formulated for application over dry, interior and exterior substrates, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetal flashings and waterstops used in waterproofing applications\u003c\/li\u003e\n\u003cli\u003eConcrete and glass reinforced concrete\u003c\/li\u003e\n\u003cli\u003eExisting ceramic tiles and natural stone\u003c\/li\u003e\n\u003cli\u003eCompressed fibre cement sheeting, including James Hardie Scyon Secura external and internal flooring\u003c\/li\u003e\n\u003cli\u003eRigid PVC leak control flanges, waterstops, and pipe penetrations\u003c\/li\u003e\n\u003cli\u003eApproved polymer coatings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not use over damp substrates, substrates with elevated residual moisture, or areas subject to rising damp and active moisture (treat these areas with \u003ca href=\"\/products\/gripset-e60\"\u003eGripset E60\u003c\/a\u003e instead).\u003c\/li\u003e\n\u003cli\u003eDo not use for priming areas subject to rising moisture or negative hydrostatic pressure.\u003c\/li\u003e\n\u003cli\u003eNot suitable for immersed applications.\u003c\/li\u003e\n\u003cli\u003eOP Primer is not a substitute for a mandatory waterproof membrane system when tiling over existing tiles in internal or external wet areas; it must be covered with an approved under-tile membrane.\u003c\/li\u003e\n\u003cli\u003eNot suitable for applications where solvent-based adhesives, coatings, or paints are applied directly over the cured primer.\u003c\/li\u003e\n\u003cli\u003eDo not apply when ambient or surface temperatures are below 5°C or above 35°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-minute dry time:\u003c\/strong\u003e Fast-drying formulation (at 23°C and 50% relative humidity) to minimise waiting times before overcoating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Litre per 10m² minimum coverage:\u003c\/strong\u003e The required application rate on smooth, non-porous surfaces to ensure consistent adhesion performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-month shelf life:\u003c\/strong\u003e Keep stored at room temperature, off concrete floors, and out of direct sunlight and freezing conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication and preparation\u003c\/h3\u003e\n\u003cp\u003eAll surfaces must be clean, structurally sound, dry, and free of dirt, dust, oils, release agents, laitance, curing compounds, and existing coatings. Unsound layers must be mechanically removed by grinding or abrasive blasting. Point masonry surfaces flush and fill any voids, holes, or non-structural cracks with \u003ca href=\"\/products\/gripset-11y\"\u003eGripset 11Y\u003c\/a\u003e enhanced repair mortar before priming.\u003c\/p\u003e\n\u003cp\u003eApply OP Primer neat. Do not dilute. Apply one coat by brush or medium nap roller until full coverage is achieved. The primer must be completely dry and tack-free before applying finishes. To avoid surface contamination, apply Gripset membranes, tile adhesives, or approved polymer coatings shortly after the primer has dried. Clean tools in water while the primer is still wet; dried product requires mechanical removal or solvent treatment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"5 litres","offer_id":40294686884032,"sku":"PRIMEGRIPOP\/5","price":160.32,"currency_code":"AUD","in_stock":true},{"title":"15 litres","offer_id":40294922944704,"sku":"PRIMEGRIPOP\/15","price":283.36,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/gripset-op-15l-solvent-free-waterproofing-adheseal.png?v=1763709693"},{"product_id":"gripset-e60","title":"Gripset E-60 Epoxy Primer","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor damp or green concrete, masonry, and mineral substrates where residual moisture exceeds maximum allowable limits, Gripset E-60 Epoxy Primer serves as a water-based epoxy vapour barrier, moisture barrier, and high-adhesion primer. It prevents moisture penetration, rising damp, and efflorescence prior to the application of membranes, adhesives, and floor finishes.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eE-60 Epoxy Primer is a two-component water-based epoxy compound that functions as both a primer and protective barrier. When applied to mineral surfaces, it cures to restrict water vapour transmission and withstands hydrostatic water pressure from the negative side. It provides a compatible bonding surface for subsequent coatings, tile adhesives, and cementitious screeds, and is certified under AS 4020 for contact with potable water storage tanks.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e2.5 bar hydrostatic resistance:\u003c\/strong\u003e Cured barrier withstands up to 25 metres of negative hydrostatic pressure, preventing rising damp and water penetration.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1.3g\/m²\/24 hours water vapour transmission:\u003c\/strong\u003e Tested under ASTM E96 (2 coats @ 300 microns DFT) to restrict moisture vapour migration through concrete slabs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-hour pot life:\u003c\/strong\u003e Practical working window at 23°C and 50% RH to mix and apply the two-part compound before it begins to set.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e4-hour recoat window:\u003c\/strong\u003e Allows fast multi-coat applications on the same day under standard drying conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e300-micron minimum dry film thickness (DFT):\u003c\/strong\u003e Required total cured thickness in 2 coats (applied at 1 litre per 3m² per coat) to form a complete moisture barrier or hydrostatic seal.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eSuitable for internal and external applications on the following substrates:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eConcrete, including green concrete and damp screeds.\u003c\/li\u003e\n \u003cli\u003eConcrete block and masonry surfaces.\u003c\/li\u003e\n \u003cli\u003eScreed, render, and glass reinforced concrete.\u003c\/li\u003e\n \u003cli\u003eCompressed fibre cement sheeting, including James Hardie Scyon Secura external and internal flooring.\u003c\/li\u003e\n \u003cli\u003eTimber.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication guidelines\u003c\/h3\u003e\n \u003cp\u003eDilution can be adjusted based on the substrate porosity to ensure optimal penetration during the first coat:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous surfaces:\u003c\/strong\u003e Dilute the first coat 5% with water. Highly porous surfaces or aged concrete should be lightly dampened with a fine water mist before application.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNon-porous or dense surfaces:\u003c\/strong\u003e Dilute the first coat 10% with water.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003eFor general priming and adhesion enhancement under membranes, apply 1 coat at 1 litre per 10m² (100 microns wet film thickness \/ 50 microns dry film thickness).\u003c\/p\u003e\n \u003cp\u003eFor vapour barrier applications on green concrete, apply 1 coat at 1 litre per 3m² (300 microns wet film thickness \/ 150 microns dry film thickness).\u003c\/p\u003e\n \u003cp\u003eFor hydrostatic moisture barriers, efflorescence prevention, and potable water immersion, apply 2 coats at 1 litre per 3m² per coat (forming a total minimum dry film thickness of 300 microns). Use a wet film gauge to verify coverage during application.\u003c\/p\u003e\n \u003cp\u003eWhen tiling or applying cementitious floor levellers directly over E-60, apply 2 coats at 1 litre per 3m² per coat. The second coat must be sand-seeded by broadcasting dry sand into the wet film at a rate of 750g\/m² to achieve minimum 90% coverage. Vacuum excess sand once dried.\u003c\/p\u003e\n \u003cp\u003eE-60 can also be used to mix high-strength repair mortars by combining 1 part mixed E-60, 1 part Portland cement, and 3 parts fine washed sand. Apply with a spatula or trowel.\u003c\/p\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply when surface or ambient temperatures are above 35°C or below 10°C.\u003c\/li\u003e\n \u003cli\u003eCure rates are dramatically reduced in temperatures below 10°C or when relative humidity exceeds 80%.\u003c\/li\u003e\n \u003cli\u003eDo not apply when rain is imminent or on surfaces with standing water.\u003c\/li\u003e\n \u003cli\u003eWhen sealing against negative hydrostatic pressure, running water must be treated first with \u003ca href=\"\/products\/gripset-c-plug-rapid-set-waterproof-plug\"\u003eGripset C-Plug\u003c\/a\u003e.\u003c\/li\u003e\n \u003cli\u003eNot to be used as a trafficable coating or as a finished coating subject to permanent UV exposure.\u003c\/li\u003e\n \u003cli\u003eAll overlaid membranes, paints, and finishes must be applied within 72 hours of E-60 drying. After 72 hours, the surface must be lightly sanded with 240-grit sandpaper to promote adhesion, or a further coat of E-60 must be applied.\u003c\/li\u003e\n \u003cli\u003eFor potable water applications, the cured surface must be washed down with clean water and dispelled before filling.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"4L Kit","offer_id":46158254506176,"sku":"PRIMEGRIPE60\/4","price":106.24,"currency_code":"AUD","in_stock":true},{"title":"20L Kit","offer_id":46158254538944,"sku":"PRIMEGRIPE60\/20","price":391.04,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/gripset-e-60-epoxy-primer-waterproofing-adheseal.png?v=1763709804"},{"product_id":"epocote-f100w","title":"GCP Epocote F100W Clear Epoxy Primer","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor priming damp or green concrete before applying BITUTHENE LM, AQUAGARD polyurethane, or NEWFLEX water-based membranes, Epocote F100W Clear Epoxy Primer provides a fully-bonded, chemically resistant foundation. It also functions as a clear sealer on tiles and step risers to block efflorescence and calcium leachate staining from marring the finished surface.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eEpocote F100W Clear is a two-pack, water-based epoxy system. It penetrates porous concrete substrates to establish a strong mechanical bond, even when the concrete is damp or green (up to a 10% maximum moisture content). By forming a tough, continuous barrier, the cured epoxy prevents moisture and soluble salts from migrating to the surface, which stops efflorescence on tiled step risers and protects overlying waterproofing membranes from moisture-induced adhesion failure. The low-odour, low-VOC formulation is mixed in a simple 100:100 ratio by weight or volume, offering a long pot life for practical application without early gelling in the pot.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e10% maximum moisture content:\u003c\/strong\u003e The upper limit for application on damp or green concrete, allowing you to prime damp slabs without waiting for complete dry-back.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e60-minute pot life (at 25°C):\u003c\/strong\u003e Provides an extended working window to mix, apply, and back-roll full sets with minimal waste before the material begins to gel.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2 to 4 hours tack-free time (0.1mm film at 25°C \/ 60% RH):\u003c\/strong\u003e Quick initial drying to minimise downtime and protect the wet primer from site dust.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e24-hour maximum recoat time (at 20°C):\u003c\/strong\u003e The critical window to apply subsequent membrane coats or a second primer coat without needing to mechanically abrade the surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.25 kg\/m² coverage rate (approx. 4 m²\/L):\u003c\/strong\u003e The nominal application rate, which will vary depending on the porosity and profile of the concrete substrate.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGreen concrete:\u003c\/strong\u003e Slabs that have not fully cured but require early priming to maintain waterproofing schedules.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDamp concrete:\u003c\/strong\u003e Substrates retaining moisture up to the 10% limit.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous concrete substrates:\u003c\/strong\u003e Slabs prone to pinholes, where a diluted first coat seals the pores.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTiles and step risers:\u003c\/strong\u003e Exterior or wet-area tiled assemblies subject to water migration and subsequent calcium staining.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication steps\u003c\/h3\u003e\n \u003cp\u003eFor porous concrete substrates prone to pinholes, dilute the first coat of Epocote F100W Clear with 10% clean water to seal the pores. Apply the second coat undiluted within 24 hours. For non-porous or standard damp concrete, apply the product undiluted by brush or roller.\u003c\/p\u003e\n \u003cp\u003eTo mix, add Part B to Part A and mix for 3 minutes using a slow-speed mixer. Allow the mixture to stand for 5 minutes, then re-mix before starting application. Clean tools immediately with water while the epoxy is uncured; \u003ca href=\"\/products\/xylene\"\u003exylene\u003c\/a\u003e can be used to help remove gelled material.\u003c\/p\u003e\n\n \u003ch3\u003eInstallation limits\u003c\/h3\u003e\n \u003cp\u003eConcrete substrates must have a minimum strength grade of 25 MPa and be moist-cured as required by AS 3600. The minimum age of the concrete before waterproofing membrane application is 14 to 28 days, depending on concrete thickness and the specific GCP primer selected. Detail all joints and penetrations according to NCC, AS 4654.2 (for external above-ground areas), and AS 3740 (for internal wet areas) before priming begins.\u003c\/p\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply if the moisture content of the damp or green concrete exceeds 10%.\u003c\/li\u003e\n \u003cli\u003eDo not apply when the ambient or substrate temperature is below 10°C or above 35°C, or when the relative humidity exceeds 80%.\u003c\/li\u003e\n \u003cli\u003ePot-life reduces in hot weather; cold weather or cold substrates will slow the overall cure time.\u003c\/li\u003e\n \u003cli\u003eDiscard any material that has begun to gel in the container.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"GCP","offers":[{"title":"Grey","offer_id":46349640794304,"sku":"PRIMEF100WGR\/20","price":547.84,"currency_code":"AUD","in_stock":true},{"title":"Clear","offer_id":46349640827072,"sku":"PRIMEF100WCL\/20","price":471.81,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/epocote-f100w-clear-epoxy-primer-waterproofing-adheseal.jpg?v=1763710207"},{"product_id":"adheseal-multi-primer","title":"Everflex Multi-Prime Acrylic Primer","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor prep work on substrates with varying absorption rates, Everflex Multi-Prime Acrylic Primer is a single-part, water-based acrylic primer that stabilises both porous and non-porous surfaces. It is formulated to prepare substrates for the application of Everflex waterproofing membranes, self-levelling compounds, cement-based ceramic tile adhesives, and grouts in both internal and external environments.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eEverflex Multi-Prime functions as an adhesion promoter and surface sealer. It dries to a tack-free, translucent green film that indicates uniform coverage. The solvent-free, low-VOC formula is non-corrosive and contains active agents that inhibit mould, mildew, and biological growth in hot and humid environments. It can be applied neat on non-porous substrates to form a bonding bridge, or diluted with water to penetrate and control the absorption of porous substrates, preventing the rapid loss of water from subsequent levelers or adhesives.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 hour cure time\u003c\/strong\u003e (at 23°C): Standard drying window required to achieve a tack-free, translucent film before applying subsequent coatings or compounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 to 10m² per litre coverage\u003c\/strong\u003e: Standard application yield, which varies within this range depending on the porosity of the target substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10°C to 35°C application range\u003c\/strong\u003e: The acceptable ambient and substrate temperature window for safe application and film formation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cp\u003eThe primer is compatible with a wide range of structural and finishing substrates, provided they are clean and dry:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConcrete (cured for at least 28 days) and pre-cast concrete (with release agents removed).\u003c\/li\u003e\n\u003cli\u003e3:1 sand cement screeds, C-Bed, and masonry or render (cured for at least 4 days).\u003c\/li\u003e\n\u003cli\u003eCement sheeting, underlay, external weatherboard, and blue board.\u003c\/li\u003e\n\u003cli\u003eWet area plasterboard and Villaboard.\u003c\/li\u003e\n\u003cli\u003eTimber flooring, including structural plywood Type A (PAA JAS-ANZ).\u003c\/li\u003e\n\u003cli\u003eBrickwork and Hebel aggregate blocks.\u003c\/li\u003e\n\u003cli\u003eWater-based painted surfaces, some plastics, ceramic tiles, and burnished concrete.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not apply on ceramic tiles with a high gloss coating.\u003c\/li\u003e\n\u003cli\u003eDo not apply on damp, wet, or contaminated substrates, if it is raining, or if rain is imminent.\u003c\/li\u003e\n\u003cli\u003eNot suitable for areas subject to hydrostatic pressure or rising damp; \u003ca href=\"\/products\/everflex-vbs\"\u003eEverflex VBS\u003c\/a\u003e is recommended for these conditions.\u003c\/li\u003e\n\u003cli\u003eThe primer has limited UV resistance and is not designed for long-term exposure; it must be overcoated.\u003c\/li\u003e\n\u003cli\u003eDo not use solvents or acid etching to clean the subfloor prior to application.\u003c\/li\u003e\n\u003cli\u003eFoot traffic limitations apply once the primer is laid.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to apply\u003c\/h3\u003e\n\u003cp\u003eTo determine substrate porosity, place a puddle of water the size of a one-dollar coin on the surface. If the water absorbs in less than two minutes, the substrate is porous; if the puddle remains, it is non-porous.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e Dilute 1 part Multi-Prime with 2 parts clean water. Apply by brush, roller, or spray, ensuring the primer remains wet on the surface for 2 minutes to achieve penetration. For exceptionally porous substrates, apply a second coat diluted 1 part primer to 3 parts water, allowing 30 minutes of curing time between coats. Adheseal WBP may be used as an alternative for porous concrete applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNon-porous substrates:\u003c\/strong\u003e Apply an even layer of neat, undiluted Multi-Prime using a roller or brush. For extremely non-porous surfaces (such as burnished concrete or ceramic tiles), perform a light grind or sand first to mechanically enhance adhesion. \u003c\/p\u003e\n\u003cp\u003eClean tools and wet spills immediately with water. Cured material must be removed by mechanical means.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Adheseal","offers":[{"title":"5L","offer_id":46349640728768,"sku":"PRIMEMULTI\/5","price":71.69,"currency_code":"AUD","in_stock":true},{"title":"20L","offer_id":46158253686976,"sku":"PRIMEMULTI\/20","price":272.49,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/everflex-multi-prime-20l-adhesive-primer-adheseal.png?v=1763710644"},{"product_id":"everflex-supaprime","title":"Everflex Polyurethane Supaprime","description":"\u003cdiv role=\"main\"\u003e\n  \u003cp\u003eFor porous building substrates where you need to secure a reliable, long-term bond before applying sealants, adhesives, or waterproofing membranes, Everflex Polyurethane Supaprime penetrates deeply to stabilise the surface. This single-part, rapid-curing polyurethane primer is formulated to prepare porous materials and prevent subsequent coating delamination.\u003c\/p\u003e\n\n  \u003ch3\u003eHow it works\u003c\/h3\u003e\n  \u003cp\u003eEverflex Polyurethane Supaprime uses a moisture-curing polyurethane mechanism with a very low Brookfield viscosity (30–60 cps) to sink deep into porous capillaries. By penetrating the substrate, it consolidates loose or dusty microscopic particles and forms a high-adhesion foundation. The primer dries quickly to a translucent amber film, resisting mould and mildew in hot and humid service environments.\u003c\/p\u003e\n\n  \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e5 to 10 m² per litre coverage:\u003c\/strong\u003e Consumption rate varies depending on substrate porosity, establishing your material estimation limits.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e10 to 15 minutes pot life:\u003c\/strong\u003e Rapid initial skinning requires prompt application once exposed to atmospheric moisture.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e30 to 60 minutes cure window (at 23°C):\u003c\/strong\u003e Allows fast overcoating once the film transitions from wet to tacky.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e30% to 34% solids content:\u003c\/strong\u003e Low-solids, low-viscosity formulation ensures maximum penetration rather than surface ponding.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n  \u003cp\u003eSuitable for internal and external applications over the following substrates:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eConcrete (cured for at least 28 days) and pre-cast concrete with release agents fully removed.\u003c\/li\u003e\n    \u003cli\u003e3:1 sand cement screeds, C-Bed, and masonry or render cured for at least 4 days.\u003c\/li\u003e\n    \u003cli\u003eCement sheeting, underlay, external weatherboard, and blue board.\u003c\/li\u003e\n    \u003cli\u003eWet area plasterboard and Villaboard.\u003c\/li\u003e\n    \u003cli\u003eTimber flooring, including Type A structural plywood (PAA JAS-ANZ).\u003c\/li\u003e\n    \u003cli\u003eBrickwork and Hebel aggregate blocks.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSystem compatibility\u003c\/h3\u003e\n  \u003cp\u003eFormulated as a dedicated bonding agent for:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdheseal Polyurethane Sealants:\u003c\/strong\u003e PU15, PU25, PU240, and PU50.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMS Sealants:\u003c\/strong\u003e Hi-Flex MS range.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSilicone Sealants:\u003c\/strong\u003e S100, N40, and N70.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEverflex Membranes:\u003c\/strong\u003e WPUV, HVUV, WPM Fast cure, and Aqua-Ban.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eLimitations\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDo not apply when temperatures are below 10°C or above 35°C (physical properties indicate a raw material application limit of 5°C to 35°C).\u003c\/li\u003e\n    \u003cli\u003eDo not apply when application humidity is 85% or higher.\u003c\/li\u003e\n    \u003cli\u003eDo not apply on damp, wet, or contaminated substrates, if it is raining, or if rain is imminent.\u003c\/li\u003e\n    \u003cli\u003eLimited UV resistance; not designed for long-term UV exposure and must be overcoated.\u003c\/li\u003e\n    \u003cli\u003eNot suitable for areas subject to hydrostatic pressure or rising damp. For these areas, \u003ca href=\"\/products\/everflex-vbs\"\u003eEverflex VBS\u003c\/a\u003e or \u003ca href=\"\/products\/megapoxy-h\"\u003eMegapoxy H\u003c\/a\u003e is recommended.\u003c\/li\u003e\n    \u003cli\u003eDo not use solvents or acid etching to clean the subfloor prior to priming.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eApplication\u003c\/h3\u003e\n  \u003cp\u003eTo verify if the substrate is porous, dispense a puddle of water the size of a 1-dollar coin onto the surface. If the water absorbs in less than two minutes, the substrate is porous. If the puddle remains, the substrate is non-porous.\u003c\/p\u003e\n  \u003cp\u003eAll surfaces must be structurally sound, dry, clean, and free of dust, oils, grease, curing compounds, and flaking material. If mechanical preparation is required, prepare the floor using dry diamond grinding to achieve a roughened, open porous surface, then vacuum thoroughly. Apply the primer by brush or roller, ensuring the primer stays wet on the surface for 2 minutes. Exceptionally porous substrates may require a second coat of Primer 2001. Allow 60 minutes for curing before applying coatings or compounds over the tacky, non-wet film.\u003c\/p\u003e\n\n  \u003ch3\u003eClean up\u003c\/h3\u003e\n  \u003cp\u003eClean tools and wet spills immediately with \u003ca href=\"\/products\/acetone\"\u003eAcetone\u003c\/a\u003e (or Xylene as specified by physical properties). Cured primer must be removed by mechanical means.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Adheseal","offers":[{"title":"Default Title","offer_id":45660053274816,"sku":"PRIMESUPA\/1","price":59.51,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/everflex-supaprime-pu-primer-waterproofing-adheseal.png?v=1763711642"},{"product_id":"rla-moisture-seal","title":"RLA Moisture Seal Primer","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor subfloors and walls showing signs of rising damp, or green concrete slabs that need immediate coating, RLA Moisture Seal Primer acts as a two-part water-based epoxy barrier to block moisture vapour transmission and prevent subsequent floor finishes from blistering, bubbling, or delaminating. It seals mineral substrates prior to applying levelling compounds, membranes, adhesives, or decorative finishes, and resists hydrostatic pressure in below-ground installations like lift pits and basements.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eThis solvent-free, low-VOC epoxy system penetrates concrete, screeds, and masonry to form a dense, non-porous barrier. When mixed in a 1:1 ratio by volume, the cured film withstands substantial water pressure on negative-side underground structures and blocks water vapour transmission. It is fully compatible with RLA membranes, adhesives, and levelling compounds, and complies with AS 4020 for potable water storage applications.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e2.5 bar hydrostatic resistance:\u003c\/strong\u003e Withstands up to 25 metres of negative or positive hydrostatic head pressure, preventing water seepage in below-ground basements, lift pits, and retaining walls.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1.8g\/m²\/24 hours water vapour transmission:\u003c\/strong\u003e Tested to ASTM E96 (Desiccant method) at a 2-coat thickness of 200 microns DFT to stop rising damp from bubbling overlaid vinyl, timber, carpet, and epoxy coatings.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e4-hour recoat window:\u003c\/strong\u003e Allows fast multi-coat buildup at 23°C and 50% relative humidity, with full drying for finishes in 24 hours.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-hour pot life:\u003c\/strong\u003e Generous working time to mix, apply, and work the epoxy into porous substrates before curing begins in the pail.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e10-day water immersion cure:\u003c\/strong\u003e The required curing period before putting the treated surface into service for potable water storage.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eThis primer is suitable for application over the following substrates:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eConcrete and concrete blocks\u003c\/li\u003e\n \u003cli\u003eGlass reinforced concrete (GRC)\u003c\/li\u003e\n \u003cli\u003eSand and cement screeds and renders\u003c\/li\u003e\n \u003cli\u003eMasonry surfaces\u003c\/li\u003e\n \u003cli\u003eTimber\u003c\/li\u003e\n \u003cli\u003eCompressed fibre cement sheeting, including James Hardie Scyon™ Secura™\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication standards\u003c\/h3\u003e\n \u003cp\u003eCoverage and film thickness must be adjusted to match the job requirement:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eAs a general primer:\u003c\/strong\u003e Apply 1 coat at 1 L per 10m² to achieve 100 microns WFT (50 microns DFT) over approved substrates like James Hardie Scyon™ Secura™ before applying RLA waterproof membranes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAs a vapour barrier:\u003c\/strong\u003e Apply 1 coat at 1 L per 5m² to achieve 200 microns WFT (100 microns DFT) over green concrete or screeds before installing liquid membranes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAs a moisture barrier \/ hydrostatic coating:\u003c\/strong\u003e Apply 2 coats, each at 1 L per 5m² (total dry film thickness of 200 microns) for subfloors, rising damp, efflorescence control, and potable water immersion. Apply the second coat at right angles to the first.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh-strength repair mortar:\u003c\/strong\u003e To patch surface defects or build waterproof fillets, mix 1 part mixed Moisture Seal, 1 part Portland cement, and 3 parts fine washed sand by volume, then apply with a spatula or trowel.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003ePreparing for subsequent finishes\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePaints, epoxies, and liquid membranes:\u003c\/strong\u003e Overcoat within 72 hours under normal conditions. After 72 hours, the cured surface must be lightly sanded with 240-grit sandpaper to promote mechanical adhesion before applying the top coating or an additional coat of Moisture Seal.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTiling, screeding, and cementitious levelling:\u003c\/strong\u003e When applying polymer-modified tile adhesives, engineered screeds, or floor smoothing compounds, broadcast fine dry sand into the wet second coat of Moisture Seal at a rate of 750g\/m² (minimum 90% coverage). Sweep or vacuum up excess sand once dry. Alternatively, for green substrates only, prime the cured first coat of Moisture Seal with RLA Universal Primer before pouring levelling compounds.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply if surface or ambient temperatures are below 10ºC or above 35ºC.\u003c\/li\u003e\n \u003cli\u003eCure rates slow dramatically when temperatures fall below 10ºC or relative humidity exceeds 80%. Do not apply if rain is imminent.\u003c\/li\u003e\n \u003cli\u003eDo not apply over standing water or onto steel and metal surfaces.\u003c\/li\u003e\n \u003cli\u003eFor structures subject to active water leaks under hydrostatic pressure, treat and stop the active leaks with a hydraulic water plug cement before applying Moisture Seal.\u003c\/li\u003e\n \u003cli\u003eMust be covered with floor toppings, coatings, or conventional floor coverings; this product is not designed as a trafficable surface or a finished coating under permanent UV exposure.\u003c\/li\u003e\n \u003cli\u003eProvide mechanical ventilation when curing inside enclosed tanks, pits, or reservoirs to allow water evaporation.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"RLA","offers":[{"title":"Default Title","offer_id":45829774573760,"sku":"MOISTSEALRLA\/20","price":459.03,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/rla-moisture-seal-vapour-barrier-damp-concrete-adheseal.png?v=1763711770"},{"product_id":"silcor-primer-bs","title":"Silcor Primer BS","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor structural waterproofing jobs requiring SILCOR polyurethane-based membranes, Silcor Primer BS establishes the critical physical bond to the substrate. This fast-drying, single-pack modified polyurethane primer replaces Aquagard M Clear Primer, securing adhesion across key construction substrates before membrane application.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eSilcor Primer BS penetrates and seals porous substrates to promote maximum adhesion for subsequent polyurethane coatings. The fast-drying resin system develops a water-resistant film quickly after application. This resistance protects the prepared concrete or masonry structure from water damage if wet weather interrupts the installation sequence before the waterproof membrane is applied. It also maintains its ability to promote adhesion when applied in cold weather conditions.\u003c\/p\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eThe primer is formulated for application on rigid, structurally sound construction substrates, including:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eIn-situ concrete slabs, concrete toppings, and off-form concrete\u003c\/li\u003e\n \u003cli\u003eConcrete masonry and brickwork\u003c\/li\u003e\n \u003cli\u003eShotcrete and cement render\u003c\/li\u003e\n \u003cli\u003ePre-cast concrete panels and light-weight foamed concrete\u003c\/li\u003e\n \u003cli\u003eCompressed fibre cement sheet\u003c\/li\u003e\n \u003cli\u003eMetal\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaximum 5% substrate moisture:\u003c\/strong\u003e Silcor Primer BS is restricted to substrates at or below 5% moisture content. For damp substrates with moisture levels up to 10%, you must use Silcor Primer BW Clear or Epocote F100W Clear instead.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e30 to 60 minutes drying time:\u003c\/strong\u003e Fast-drying window at 20°C allows installers to reach a tack-free state quickly, minimizing down-time before membrane application.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.3 kg\/m² minimum coverage rate:\u003c\/strong\u003e The required application floor (equivalent to 0.3 litres\/m²) to ensure adequate substrate sealing and bond performance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e24-hour overcoat window:\u003c\/strong\u003e The primed surface must be coated with the selected SILCOR membrane within 24 hours. If missed, the surface requires a \u003ca href=\"\/products\/xylene\"\u003eXylene\u003c\/a\u003e wipe and repriming at 0.15 kg\/m²; if left past 72 hours, the primer must be fully removed by diamond grinding.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e25 MPa minimum concrete strength:\u003c\/strong\u003e Concrete substrates must meet this structural grade and be moist-cured as required by AS 3600 before priming.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cp\u003eDo not apply Silcor Primer BS to substrates with a moisture content exceeding 5%. Detailing according to the NCC, AS 4654.2 (external above ground), and AS 3740 (internal wet areas) must be completed before priming starts. Any applied primer left uncoated for more than 72 hours cannot be recoated or recovered; it must be completely removed by diamond grinding down to the base substrate and re-primed.\u003c\/p\u003e\n\n \u003ch3\u003eInstallation\u003c\/h3\u003e\n \u003cp\u003eEnsure all substrates are smooth, clean, and dry. Completely remove all dust, laitance, loose matter, oil, curing compounds, and form release agents. Concrete must be aged 14 to 28 days depending on slab thickness and the specific primer system. Apply one coat directly from the container using a brush, roller, or spray. Allow the coating to become completely tack-free before applying the polyurethane membrane.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GCP","offers":[{"title":"Default Title","offer_id":46292351910080,"sku":"PRIMESILCORBS\/17","price":299.29,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/SilcorPrimerBS.png?v=1754479980"},{"product_id":"ardex-multiprime","title":"Ardex Multiprime Primer","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor porous substrates including CFC sheet, concrete, masonry, and jointing compound over plasterboard, ARDEX Multiprime prepares the surface to improve the adhesion of subsequent approved ARDEX products. This water-based liquid primer dries quickly in both internal and external applications, providing a reliable bond interface across varying substrate porosities.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eMultiprime penetrates porous substrates to bind residual fine dust and equalise suction. By regulating the absorption rate of the surface, it prevents subsequent screeds, renders, or adhesives from losing water too rapidly into the substrate, preserving their strength and curing characteristics. The primer cures to a tough film with a minimum tensile strength of 5.03 MPa and a Shore Hardness A rating of 90, establishing a high-strength mechanical key on porous materials like autoclaved aerated concrete (AAC), screeds, and concrete blocks.\u003c\/p\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCFC sheet:\u003c\/strong\u003e Seals the fibrous surface to ensure consistent adhesive contact.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eJointing compound over plasterboard:\u003c\/strong\u003e Equalises the differing absorption rates between the paper face and the gypsum compound.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete and screeds:\u003c\/strong\u003e Prevents rapid water loss from overlying repair mortars, levelling compounds, or tile adhesives.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMasonry, concrete blocks, and AAC:\u003c\/strong\u003e Shuts down high-suction substrates (AAC requires a second coat of Multiprime to completely seal the surface).\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e15 to 30 minutes drying time:\u003c\/strong\u003e Quick window at 23ºC and 50% relative humidity to keep the installation moving; drying times will extend on highly porous substrates or in cooler temperatures.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e8m² to 9m² coverage:\u003c\/strong\u003e Total coverage yield per 15L pail based on a two-coat application, varying with substrate porosity and application technique.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e5.03 MPa tensile strength:\u003c\/strong\u003e High cohesive bond performance to ensure the cured primer layer resists shear forces under stress.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e10ºC to 35ºC application range:\u003c\/strong\u003e The critical temperature window for both the ambient air and the substrate to ensure proper film formation.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply if ambient or substrate temperatures are below 10°C or above 35°C.\u003c\/li\u003e\n \u003cli\u003eDo not add water or solvents to the product.\u003c\/li\u003e\n \u003cli\u003eDo not apply if rain is imminent.\u003c\/li\u003e\n \u003cli\u003eDo not use on concrete or masonry with moisture levels exceeding 80% relative humidity (tested to ASTM F2170) or 15g\/m²\/24hrs moisture vapour emission rate (tested to ASTM F1869). For these wet conditions, a minimum of two coats of ARDEX WPM 300 (HydrEpoxy) must be used.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eInstallation\u003c\/h3\u003e\n \u003cp\u003eRemove all dirt, dust, curing compounds, oils, grease, surface sealers, existing coatings, and other contaminants before applying. Prepare the surface to ensure it is clean, dry, sound, and free from sharp edges. Damaged concrete between 2mm and 30mm deep should be repaired with ARDEX A 46 before priming. Spalling concrete must be treated using the ARDEX Concrete Repair range, such as ARDEX BR 345.\u003c\/p\u003e\n \u003cp\u003eShake the container thoroughly before use. Apply evenly with a brush, roller, or sponge to the prepared substrate. Ensure the primer is completely dry before applying any subsequent ARDEX products. Clean all application tools and equipment with water and detergent before the primer dries; cured material requires mechanical removal.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ardex","offers":[{"title":"Default Title","offer_id":46780405514432,"sku":"PRIMEARDMULTI\/20","price":301.48,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/ardex-multiprime.png?v=1758241686"}],"url":"https:\/\/adheseal.com.au\/collections\/waterproofing-prime.oembed","provider":"Adheseal","version":"1.0","type":"link"}