{"title":"Negative Waterproofing (Legacy)","description":"\u003cp\u003eWater pushing through from the wrong side of the slab — that's negative hydrostatic pressure, and it's the reason membranes delaminate, tiles lift and callbacks multiply. This range covers the products that work on the water-entry side: epoxy moisture barriers and primers that resist up to 250 kPa hydrostatic pressure on damp or green concrete, cementitious membranes rated for both positive and negative exposure, and crack injection systems — hydrophilic and hydrophobic polyurethane — that chase active leaks into the fracture and seal them under continuous water contact.\u003c\/p\u003e\u003cp\u003eAlso included are rapid-set plugging compounds for stopping live water in 60 seconds and structural epoxy bonding agents for potable water infrastructure. Every product here is selected for one reason: it holds where water pressure works against you, not with you.\u003c\/p\u003e","products":[{"product_id":"megapoxy-h","title":"Megapoxy H","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor structural concrete repairs, steel anchoring, and wet-to-dry concrete bonding, Megapoxy H is a low-viscosity, solvent-free hydrophilic epoxy resin that creates permanent bonds stronger than the concrete itself. It complies with AS\/NZS 4020:2018 for potable water contact, making it suitable for drinking water structures, and resists hydrogen sulphide exposure in sewage treatment environments.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eMegapoxy H is a 100% solids liquid resin formulated to penetrate deep into cracks and bond directly to wet or dry substrates. Because it is hydrophilic, it maintains reliable adhesion during underwater and splashzone repairs. The low mixed viscosity of 800cps allows it to flow easily for gravity feeding, capillary crack sealing, or low-pressure balloon and mechanical nipple injection. It can also be mixed with graded silica sand to produce high-strength pourable grouts, trowellable repair mortars, or moisture-tolerant leveling screeds.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e92MPa yield compressive strength (ASTM C579):\u003c\/strong\u003e High mechanical performance for load-bearing repairs, rising to an ultimate compressive strength of 120MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026gt;3MPa concrete bond strength (ASTM D4541):\u003c\/strong\u003e Stronger than the tensile strength of standard concrete, ensuring the substrate fails before the epoxy bond.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18MPa steel tensile bond strength (ASTM D897):\u003c\/strong\u003e High-strength adhesion for anchoring deformed steel bars and structural metal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-minute work time (at 25°C):\u003c\/strong\u003e The practical application window to mix, pour, or inject the resin before curing begins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15-minute bonding window:\u003c\/strong\u003e For new-to-old concrete adhesive applications, the wet overlay window required after spraying or rolling the resin at 1 to 1.5 litres per square metre.\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 crack repair:\u003c\/strong\u003e Suitable for structural cracks via capillary action, low-pressure balloon injection, or high-pressure grease gun injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel anchoring:\u003c\/strong\u003e For grouting deformed bars into concrete vertical holes drilled at 1.5 times the bar diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxy mortars:\u003c\/strong\u003e Can be mixed with Silica 50N, Silica 16\/30, or blue metal to create custom grouts, screeds, and high-strength concrete patches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and wastewater infrastructure:\u003c\/strong\u003e Suitable for potable water vessels, pipes, and sewage treatment plant surfaces exposed to hydrogen sulphide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation limits and preparation\u003c\/h3\u003e\n\u003cp\u003eTo prevent bond failure, surfaces must be prepared thoroughly. Concrete must be free of grease, oil, and surface laitance, requiring mechanical scabbling, grit blasting, grinding, or acid etching before drying. Metals must be grit blasted to AS 1627.2.2002 or mechanically abraded to bright metal, then degreased. All existing paint, coatings, or galvanising must be completely removed prior to application.\u003c\/p\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor vertical or overhead steel grouting and rendering, do not use Megapoxy H; use \u003ca href=\"\/products\/megapoxy-ht\"\u003eMegapoxy HT\u003c\/a\u003e instead.\u003c\/li\u003e\n\u003cli\u003eWire brushing of metal surfaces is not satisfactory and provides minimal adhesion only.\u003c\/li\u003e\n\u003cli\u003eDo not apply to coated or painted surfaces, as this will result in inferior bond strengths.\u003c\/li\u003e\n\u003cli\u003eDo not apply at temperatures below 10°C.\u003c\/li\u003e\n\u003cli\u003eThe mixing ratio of 3 Part A to 1 Part B by volume must be strictly maintained; inaccurate mixing reduces physical properties and may cause curing failure or discolouration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"N35 Grey \/ 20L Kit","offer_id":37551473524928,"sku":"MPHGR\/20","price":685.04,"currency_code":"AUD","in_stock":true},{"title":"N35 Grey \/ 4L Kit","offer_id":37551473557696,"sku":"MPHGR\/4","price":208.59,"currency_code":"AUD","in_stock":true},{"title":"Natural \/ 20L Kit","offer_id":37551473590464,"sku":"MPH\/20","price":623.56,"currency_code":"AUD","in_stock":true},{"title":"Natural \/ 4L Kit","offer_id":37551473623232,"sku":"MPH\/4","price":193.22,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/megapoxy-h-hydrophilic-crack-injection-adheseal.png?v=1763706786"},{"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-c-1p-1-part-flexible-cementitious-membrane","title":"Gripset C-1P Cementitious Membrane","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor high-demand structures like basement walls, lift pits, retaining walls, and swimming pools, Gripset C-1P provides a single-component, fibre-reinforced cementitious barrier that resists water penetration from both the positive and negative sides. Formulated with graded aggregates and polymers, it bridges cracks on concrete, masonry, and aerated concrete block substrates while withstanding continuous immersion, UV exposure, and ground moisture.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eGripset C-1P cures to form a flexible, non-toxic waterproof barrier. It bonds directly to concrete, render, masonry, compressed fibre cement sheeting, plasterboard, and aerated concrete panels. Because it withstands both positive pressure (up to 5 bar) and negative pressure (up to 1.5 bar), it prevents water ingress in deep underground spaces like lift pits and earth shelters where external access is impossible. It is approved to AS 4020 for potable water storage, making it suitable for internal tank linings. The polymer-modified chemistry allows application over damp and green concrete without compromising adhesion, and it is fully compatible with polymer-modified tile adhesives and screeds.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e5 bar positive \/ 1.5 bar negative resistance:\u003c\/strong\u003e Prevents water penetration under significant hydrostatic pressure on both the internal and external sides of retaining structures.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2mm minimum dry film thickness (DFT):\u003c\/strong\u003e The required cured thickness to ensure waterproof integrity, achieved in 2 coats by flat trowel or 3 coats by roller.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e37% elongation (Class 1, AS1145.3):\u003c\/strong\u003e Provides the flexural capacity and crack-bridging capability (≥0.75mm under ISO13007-5) required to absorb movement across construction junctions and blockwork.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e10-day immersion window:\u003c\/strong\u003e The necessary cure time at 23°C and 50% RH before water features, tanks, or pools can be safely filled.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1-hour pot life:\u003c\/strong\u003e The working window to apply the mixed slurry by brush, roller, or trowel before hydration limits workability.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply when surface or ambient temperatures are below 5°C or above 35°C, or if rain is imminent.\u003c\/li\u003e\n \u003cli\u003eNot to be applied over standing water. For vertical surfaces with running or dripping water, leaks must first be stopped with \u003ca href=\"\/products\/gripset-c-plug-rapid-set-waterproof-plug\"\u003eGripset C-Plug\u003c\/a\u003e.\u003c\/li\u003e\n \u003cli\u003eMust not be left as an exposed coating in swimming pools or spas; it must be tiled over.\u003c\/li\u003e\n \u003cli\u003eWhen detailing joints and penetrations, note that BRW PF Tape, RLA Max SMP 25, and Butyl Squares are not suitable for immersed applications.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eGripset C-1P is suitable for commercial, industrial, and residential applications on the following substrates and structures:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSubstrates:\u003c\/strong\u003e Concrete, render, masonry, compressed fibre cement sheeting, plasterboard, and aerated concrete panels or blocks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStructures:\u003c\/strong\u003e Lift pits, basement walls (both internal and external sides), retaining walls, planter boxes, slab edges, general landscaped areas, feature walls, and water tanks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Waterproofing under tiles and pavers in external wet areas, internal bathrooms and laundries, and sandwich sealing between existing and new concrete toppings.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003eSubstrates must be clean, sound, and free of laitance, curing compounds, and contaminants. Grind or abrade structurally unsound layers. Concrete must cure for 28 days and cement render for 7 days before application. Non-porous or burnished concrete surfaces must be mechanically abraded, cleaned, and pre-dampened, or primed with Gripset OP Primer at 1 litre per 10m². Porous mineral substrates must be pre-wetted with a light water mist, leaving no standing or ponding water.\u003c\/p\u003e\n \u003cp\u003eMix only with an electric stirrer and paddle; do not mix by hand. Always add the dry powder to the water to prevent clumping. Allow the mix to settle for 2 to 3 minutes, then re-stir lightly before application. Apply coats in alternating directions using a wet film gauge to monitor coverage.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eRoller or brush application:\u003c\/strong\u003e Mix 4.2 litres of water per 15kg bag (or 1 part water to 3.5 parts powder). Apply in a minimum of 3 coats to achieve the 2mm minimum DFT. Yields approximately 7m² per bag.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTrowel application:\u003c\/strong\u003e Mix 3.0 litres of water per 15kg bag (or 1 part water to 5 parts powder). Apply in a minimum of 2 coats using a flat trowel to achieve the 2mm minimum DFT. Yields approximately 5.5m² per bag.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eDetailing and system components\u003c\/h3\u003e\n \u003cp\u003eAll joints, junctions, penetrations, and cracks must be detailed prior to applying the overall membrane:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eJoints and transitions (AS 3740 \u0026amp; AS 4654.1):\u003c\/strong\u003e Bed Elastoproof B50 Joint Band into a 150mm wide wet coat of Gripset C-1P, brush out all air pockets, and encapsulate with a second coat. Alternatively, apply self-adhesive BRW PF Tape centrally over the joint.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePipes and penetrations:\u003c\/strong\u003e Fit Elastoproof Collars over the pipe neck into the wet membrane, or create a flange using a cut length of BRW PF Tape. Alternatively, seal the penetration base with a bead of RLA Max SMP 25.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStatic cracks (1mm to 6mm):\u003c\/strong\u003e Fill flush with RLA Max SMP 25 and overlay with RLA Waterproofing Bandage, Elastoproof B50 Joint Band, or BRW PF Tape.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTiling and toppings:\u003c\/strong\u003e Tile directly with polymer-modified cement-based adhesives such as Gripset C-Lite, C-Mastic, C-Rubber, or C-Stone. If applying a screed or render topping, incorporate Gripset 11Y as a bonding agent, or use Gripset C-Bed engineered screed.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"Default Title","offer_id":46158255259840,"sku":"GRIPC1P\/15","price":166.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/c1-p.png?v=1754480193"},{"product_id":"gripset-c-plug-rapid-set-waterproof-plug","title":"Gripset C-Plug","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor active water leaks under pressure through holes, cracks, and openings in concrete and masonry, Gripset C-Plug forms an instant, non-shrink waterproof seal. This rapid-setting cementitious compound stops flowing water in underground car parks, basements, lift shafts, water tanks, and concrete pipes before curing to the mechanical strength of concrete.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eC-Plug uses a rapid-setting, non-shrink chemical mechanism to expand slightly and lock into concrete or masonry cavities, blocking active water pressure. Hand-mixed and applied in small, individual batches, it goes from a paste to an initial set in under 60 seconds, allowing installers to hold back water flow manually until the seal is established. It does not contain additives that promote the corrosion of steel reinforcement, making it compatible with structural concrete repairs, subterranean joint filling, and the rapid anchoring of bolts, fixtures, and pipes.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eInitial set of under 1 minute:\u003c\/strong\u003e Provides the fast reaction window required to hold back active, pressurised water leaks by hand before the compound hardens.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e8MPa compressive strength at 30 minutes:\u003c\/strong\u003e Reaches structural load-bearing capacity rapidly, preventing the plug from washing out under early hydrostatic pressure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e35MPa compressive strength at 28 days:\u003c\/strong\u003e Cures to a high-strength, durable repair that matches or exceeds standard structural concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-4 minute final set:\u003c\/strong\u003e Enables rapid successive placement when working from the outside in on large leaks, or when preparing joints for subsequent coatings.\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\u003eWater retention structures:\u003c\/strong\u003e Sealing water tanks, concrete pipes, culverts, and constructing pressure-resistant fillets at wall-to-floor junctions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSubterranean infrastructure:\u003c\/strong\u003e Stopping seepage in basements, cellars, underground car parks, lift pits, tunnels, power stations, and sewer systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eJoint filling:\u003c\/strong\u003e Filling joints between concrete segments in pipes, culverts, tunnels, and mines.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFixtures:\u003c\/strong\u003e Anchoring bolts, conduits, pipes, and sanitary equipment into dense concrete.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eExpansion and movement joints:\u003c\/strong\u003e Do not use C-Plug as a sealant or filler over joints designed for structural movement.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSubstrate compatibility:\u003c\/strong\u003e Only suitable for cementitious surfaces; do not apply over non-cementitious substrates.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTemperature limits:\u003c\/strong\u003e Do not apply over frozen surfaces. Ensure all concrete and masonry surfaces exposed to freezing conditions are completely free of ice. Cold temperatures will slow the curing rate.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003ePreparation and installation\u003c\/h3\u003e\n \u003cp\u003eGrind open cracks, joints, or holes to a minimum width and depth of 20mm. For high-volume leaks, increase the cut depth to a minimum of 40mm. Cut sides to a square or dovetail profile where possible, avoiding \"V\" profiles, smooth finishes, or feathered edges. Flush the area with clean water to remove loose debris, and ensure the substrate is thoroughly damp before application.\u003c\/p\u003e\n \u003cp\u003eMix by hand using a spatula or similar tool; do not use electric stirrers or paddle mixers. Limit batch sizes to a maximum of one handful (approximately 0.5kg of powder) per application, using approximately 150ml of clean 20°C water per 1kg of product. Once mixed to a putty consistency, press C-Plug firmly into the cavity using a gloved hand. Hold firm pressure until the initial set occurs (30 to 60 seconds), then slowly remove your hand. Keep the cured plug damp using a mist spray or damp sponge for 15 minutes after installation.\u003c\/p\u003e\n\n \u003ch3\u003eSystem detailing\u003c\/h3\u003e\n \u003cp\u003eTo establish long-term protection against future dampness and negative water seepage in subterranean structures, coat the cured C-Plug with \u003ca href=\"\/products\/gripset-c-1p-1-part-flexible-cementitious-membrane\"\u003eGripset C-1P\u003c\/a\u003e flexible cementitious membrane. For active leaks at wall-to-floor junctions, cut out the joint to a minimum 20mm width, pack with C-Plug, and form a 45-degree, 40mm wide cove at the junction before over-coating with the membrane.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"4 Kg","offer_id":39288856871104,"sku":"GRIPCPLUG\/4","price":51.96,"currency_code":"AUD","in_stock":true},{"title":"15 Kg","offer_id":39288856903872,"sku":"GRIPCPLUG\/15","price":155.87,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/gripset-c-plug-rapid-set-concrete-waterproofing-adheseal.png?v=1763709590"},{"product_id":"mountain-grout-gel-foam-4-litre","title":"Mountain Grout Gel Foam","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor sealing leaking cracks or joints in concrete structures with continuous moisture exposure, Mountain Grout Gel Foam is a hydrophilic polyurethane formulation that reacts with water to stop active leaks. The single-component system is formulated without TDI or solvents, reacting directly with the water it encounters inside the concrete to create either a foam or a gel barrier depending on the moisture volume present.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eMountain Grout Gel Foam can be pumped as a single component directly into wet concrete cracks, or injected as a dual-component system alongside water. Upon contact with water, the liquid expands up to 25 times its initial volume to fill voids and seal paths of water ingress. Because the formulation is hydrophilic, it requires continuous moisture exposure to maintain its physical seal, curing into an inert, non-toxic barrier that handles ongoing structural movement without losing adhesion.\u003c\/p\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConcrete dams and tunnels experiencing water ingress\u003c\/li\u003e\n\u003cli\u003eStorm water systems and waste treatment plants\u003c\/li\u003e\n\u003cli\u003eUnderground vaults, elevator pits, and water-related facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e400% elongation (ASTM D-638): High elasticity allows the cured gel-foam to stretch and flex with moving concrete joints and cracks without shearing the bond.\u003c\/li\u003e\n\u003cli\u003e650 cps viscosity (ASTM D-1638): Low viscosity allows the liquid grout to penetrate deep into fine cracks and fissures before reaction begins.\u003c\/li\u003e\n\u003cli\u003e30-second initiation time: Rapid start to the reaction when mixed at a 1:1 ratio with water at 25ºC, reaching full rise in approximately 6 minutes to choke off active water flows.\u003c\/li\u003e\n\u003cli\u003e170 psi tensile strength (ASTM D-638): Provides the mechanical strength necessary to withstand hydrostatic pressures in underground vaults and pits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eFormulated for concrete structures with continuous moisture exposure; requires water to react and ongoing moisture to maintain its seal performance.\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Green Mountain International","offers":[{"title":"4 Kg","offer_id":46683174600896,"sku":"INJGELERA\/4","price":187.62,"currency_code":"AUD","in_stock":true},{"title":"20 Kg","offer_id":46683174633664,"sku":"INJGELERA\/20","price":485.34,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/mountain-grout-gel-foam-crack-injection-sealant-adheseal.png?v=1763709590"},{"product_id":"mountain-grout-flexible","title":"Mountain Grout Flexible","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor sealing leaking cracks and failed joints in concrete structures under wet\/dry cycles, Mountain Grout Flexible provides a hydrophobic barrier that resists shrinkage. When injected into storm water systems, tunnels, manholes, or concrete dams, this closed-cell polyurethane foam reacts with moisture to form an inert, permanent seal that accommodates structural movement without losing adhesion.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eMountain Grout Flexible is a low-viscosity, hydrophobic polyurethane system consisting of an amber base resin and Accelerator B. Unlike hydrophilic grouts that require constant moisture to maintain their volume, this hydrophobic formulation reacts with minimal water to form a stable closed-cell foam. Because the cured grout does not rely on retained water, it will not shrink or lose its seal when water tables drop or joints dry out. The system pumps as a single component after mixing the base resin and accelerator, allowing the installer to adjust the reaction profile on-site to match the water flow and temperature of the concrete substrate.\u003c\/p\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConcrete dams and earthen dams\u003c\/li\u003e\n\u003cli\u003eWaste treatment plants and water-related facilities\u003c\/li\u003e\n\u003cli\u003eStorm water systems and manhole facilities\u003c\/li\u003e\n\u003cli\u003eTunnels and underground vaults\u003c\/li\u003e\n\u003cli\u003eElevator pits and parking garages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e44% elongation (ASTM D-638):\u003c\/strong\u003e High flexibility to absorb joint expansion and contraction in concrete structures without tearing or delaminating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 30x expansion:\u003c\/strong\u003e Expands up to 30 times its initial liquid volume to fill deep voids and wide cracks behind leaking concrete walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026lt;1% water absorption (ASTM D-2842):\u003c\/strong\u003e Highly impermeable closed-cell structure prevents water migration through the cured seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 cps base viscosity (ASTM D-1638):\u003c\/strong\u003e Low viscosity allows deep penetration into fine fractures and tight concrete joints before reaction begins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15-second to 50-second initiation windows:\u003c\/strong\u003e Reaction speeds are controlled by the dosage of Accelerator B at 25ºC, letting installers match the foam rise to the water pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eControlling reaction times\u003c\/h3\u003e\n\u003cp\u003eThe reaction profile must be adjusted prior to pumping by mixing Accelerator B into the base resin. The speed of the expansion is determined by the accelerator dosage, substrate temperature, and the amount of moisture encountered. At 25ºC, the reaction times are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAt 1.25% dosage (1\/2 pint per 5 gallons):\u003c\/strong\u003e Expansion starts in approximately 50 seconds and completes in approximately 4 minutes after encountering water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAt 2.5% dosage (1 pint per 5 gallons):\u003c\/strong\u003e Expansion starts in approximately 15 seconds and completes in approximately 65 seconds after encountering water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Green Mountain International","offers":[{"title":"4 Kg","offer_id":46683135738048,"sku":"INJFLEXERA\/4","price":187.62,"currency_code":"AUD","in_stock":true},{"title":"20 Kg","offer_id":46683135770816,"sku":"INJFLEXERA\/20","price":485.34,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/mountain-grout-flexible-polyurethane-crack-injection-adhesea.png?v=1763709590"},{"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":"mapei-lamposilex","title":"Mapei Lamposilex (Waterplug)","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor stopping active water leaks under pressure in basements, subways, and concrete water tanks, Lamposilex provides an ultra-fast setting plug that halts water flow within minutes. This chloride-free hydraulic binder mixes with water to form a thixotropic paste that hangs on vertical surfaces without formwork, curing rapidly to block cracks, holes, and joints against hydrostatic pressure.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eLamposilex relies on a rapid hydration mechanism. When mixed with water, it transitions from a workable, plastic consistency to a rigid, waterproof plug in approximately one and a half minutes at +20°C. Once set, it exhibits high compressive and flexural strength within 30 minutes, ensuring the plug resists the shear forces of pressurized water. Because it contains no chlorides, it will not contribute to the corrosion of steel reinforcement. Additionally, it is certified to AS\/NZS 4020:2018, making it safe for sealing joints and cracks in contact with potable water.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e1.5-minute setting time (at +20°C):\u003c\/strong\u003e The exact physical window to mix, mold, and force the plug into the leaking cavity before hydration makes the material unworkable.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1-minute pot life:\u003c\/strong\u003e The maximum time available to prepare and place the mix, requiring the user to mix only what can be applied instantly.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e17 N\/mm² compressive strength (at 30 minutes):\u003c\/strong\u003e Fast mechanical development to withstand structural and hydrostatic loads shortly after placement, rising to 46 N\/mm² after 28 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e3 N\/mm² flexural strength (at 30 minutes):\u003c\/strong\u003e Early tensile capability to resist cracking under joint movement, rising to 9 N\/mm² after 28 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1.8 kg\/dm³ consumption:\u003c\/strong\u003e The material requirement to calculate coverage, where 1.8 kg of dry powder is needed to fill each litre of cavity volume.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eInstant stopping of active water leaks, including water under pressure.\u003c\/li\u003e\n \u003cli\u003eSealing water leaks in basements, subways, and below-grade concrete structures.\u003c\/li\u003e\n \u003cli\u003eStopping leaks in above-ground potable water tanks.\u003c\/li\u003e\n \u003cli\u003eWaterproof sealing of rigid joints between concrete walls and floor slabs.\u003c\/li\u003e\n \u003cli\u003eWaterproof sealing of structural cracks and holes.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication procedure\u003c\/h3\u003e\n \u003cp\u003eFor sealing active water leaks, enlarge the crack or hole to a minimum of 2 cm wide and 2 cm deep, keeping the inner cavity wider than the exterior opening (dovetail profile) to mechanically lock the cured plug in place. Remove all loose material from the cavity.\u003c\/p\u003e\n \u003cp\u003eFor rigid wall-to-floor joints, remove degraded concrete and clear dust with compressed air. Thoroughly wet the substrate so it is saturated but free of standing surface water before application.\u003c\/p\u003e\n \u003cp\u003eMix 1 kg of powder with 280 g of water (or 2.5 parts powder to 1 part water by volume) using a trowel until smooth. Mold the mix manually into the shape of a cork, wait a few seconds until the curing process begins, then force the plug into the hole. Hold under constant pressure for 2 to 3 minutes until fully set. For rigid joints, work the mix into the cavity immediately after mixing, and keep the surface damp for the first 15 to 20 minutes.\u003c\/p\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not add lime, cement, or gypsum to the mix.\u003c\/li\u003e\n \u003cli\u003eDo not leave drums exposed to direct sunlight before use.\u003c\/li\u003e\n \u003cli\u003eDo not apply at temperatures below +5°C.\u003c\/li\u003e\n \u003cli\u003eIn hot weather, store the product out of the sun and use cold water to prevent premature setting. In cold temperatures, store in a heated room and use water at +20°C to prevent delayed setting.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mapei","offers":[{"title":"Single Buy","offer_id":46758832439488,"sku":"LAMPOSIL\/5","price":49.53,"currency_code":"AUD","in_stock":true},{"title":"Box Buy (4)","offer_id":46758828146880,"sku":"LAMPOSIL\/5\/BOX","price":178.28,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/mapei-lamposilex.png?v=1757652205"},{"product_id":"mountain-grout-ultra","title":"Mountain Grout Ultra","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eMountain Grout Ultra is a moderate-viscosity hydrophobic polyurethane formulation for sealing leaking cracks and joints where some movement is possible. When injected into wet cracks, it reacts with water to produce a closed-cell foam.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eUltra is used in water-related structures to form an inert, non-toxic permanent seal. Its cured elongation of 300% suits leaking cracks or joints where movement may occur, while the hydrophobic foam maintains its physical form through wet and dry cycles.\u003c\/p\u003e\n\u003cp\u003eThe system consists of Ultra base resin and MG Accelerator “B”. The accelerator allows an experienced installer to adjust the reaction profile according to job-site temperature and the amount of moisture encountered.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e650 cps viscosity:\u003c\/strong\u003e Moderate-viscosity base resin that pumps as a single component after the accelerator has been added.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300% elongation:\u003c\/strong\u003e Supports use in leaking cracks and joints where some movement is possible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpands up to 25 times:\u003c\/strong\u003e The reacting polyurethane foam can expand up to 25 times its initial volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e224 kg\/m³ cured density:\u003c\/strong\u003e Measured in accordance with ASTM D-1622.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 psi tensile strength:\u003c\/strong\u003e Measured in accordance with ASTM D-638.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdjusting the reaction time\u003c\/h3\u003e\n\u003cp\u003eAt 25°C, adding MG Accelerator “B” at 1.25%—equivalent to 1\/2 pint per five gallons—produces an expansion start time of about 50 seconds and completion in about five minutes after contact with water.\u003c\/p\u003e\n\u003cp\u003eAt 25°C, adding MG Accelerator “B” at 2.5%—equivalent to one pint per five gallons—produces an expansion start time of about 30 seconds and completion in about three minutes after contact with water.\u003c\/p\u003e\n\u003ch3\u003eJob-site conditions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe reaction profile is affected by temperature and the amount of moisture encountered.\u003c\/li\u003e\n\u003cli\u003eMG Accelerator “B” is intended to be used by an experienced installer to adjust the reaction profile before pumping.\u003c\/li\u003e\n\u003cli\u003eThe stated reaction times were determined at 25°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Green Mountain International","offers":[{"title":"4 Kg","offer_id":48702030250176,"sku":"INJULTRAAERA\/4","price":187.62,"currency_code":"AUD","in_stock":true},{"title":"20 Kg","offer_id":48702030282944,"sku":"INJULTRAAERA\/20","price":582.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/moutaingroutultra.png?v=1785472179"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/collections\/c1-p.png?v=1785996124","url":"https:\/\/adheseal.com.au\/collections\/negative-waterproofing-range-legacy.oembed","provider":"Adheseal","version":"1.0","type":"link"}