{"title":"Prepare the Surface","description":"\u003cp\u003eCreate a sound, level substrate before tile work begins, or isolate the tile bed from subfloor stress where the system requires it.\u003c\/p\u003e\u003cp\u003eShop screeds, bonding slurry and tile-bed isolation products for the preparation stage of a tiling job.\u003c\/p\u003e","products":[{"product_id":"gripset-xpresslay","title":"Gripset XpressLay PVC Membrane","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor internal wet area flooring and tiling installations on challenging or cracked substrates, Gripset XpressLay PVC Membrane provides a high-strength, self-adhesive water and vapour barrier that acts as an anti-fracture underlay. It allows direct fixing of cement-based tile adhesives, membranes, and screeds without the need for torching, heat welding, or solvent-based primers.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eXpressLay is a 1mm thick, reinforced PVC sheet backed with a high-tack adhesive. The sheet bonds directly to the floor substrate, isolating the finished tile bed from subfloor stress. Its high tensile strength (exceeding 2MPa) and Class II elongation allow it to absorb vibration, movement, and flexing in timber sheeting, structural plywood, and cracked concrete before these forces reach the tile layer. The self-adhesive backing makes it suitable for application in cold and humid environments where liquid membranes struggle to dry, establishing a reliable moisture barrier with a water vapour transmission rate of just 0.1g\/24h\/m².\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026gt;2MPa tensile strength (AS 4654.1 Appendix A):\u003c\/strong\u003e High mechanical resistance to physical rupture, tearing, and subfloor movement.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026gt;60% elongation (AS1145.3):\u003c\/strong\u003e Class II elasticity to bridge non-structural subfloor cracks and resist vibration without tearing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.1g\/24h\/m² water vapour transmission (ASTM E96):\u003c\/strong\u003e Restricts vapour transmission, protecting timber underlays and sensitive floor finishes from rising moisture.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1.5% water absorption (AS 3558.1):\u003c\/strong\u003e Low water absorption performance to maintain structural integrity under persistent wet area conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e-30°C to 80°C service temperature:\u003c\/strong\u003e Maintains structural stability and performance across extreme temperature shifts.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eXpressLay is suitable for commercial, industrial, and residential applications on the following substrates:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eConcrete and screeds.\u003c\/li\u003e\n \u003cli\u003eCompressed fibre cement sheeting.\u003c\/li\u003e\n \u003cli\u003eTimber sheeting and structural plywood (functioning as a tile underlay alternative).\u003c\/li\u003e\n \u003cli\u003eGlazed surfaces, marble, granite, and ceramics (for tiling over existing tiles).\u003c\/li\u003e\n \u003cli\u003eSoft and rigid plastics, PVC, and DPC films.\u003c\/li\u003e\n \u003cli\u003eOver existing epoxy coatings, vinyl, or aged industrial floor coatings.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eSuitable for floor and horizontal surfaces only. Do not use on vertical surfaces to support tiles or other finishes.\u003c\/li\u003e\n \u003cli\u003eSuitable for internal applications only. Do not use externally.\u003c\/li\u003e\n \u003cli\u003eDo not apply when surface or ambient temperatures are below 5°C or above 30°C.\u003c\/li\u003e\n \u003cli\u003eNot to be used as an exposed membrane finish; it must be finished over.\u003c\/li\u003e\n \u003cli\u003eNot to be used as a trafficable surface.\u003c\/li\u003e\n \u003cli\u003eDo not apply directly over expansion joints.\u003c\/li\u003e\n \u003cli\u003eNot compatible with solvent-based finishes applied over the membrane.\u003c\/li\u003e\n \u003cli\u003eConcrete substrates must be cured for at least 28 days; cement render and sand-cement screeds must cure for at least 7 days.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eInstallation and priming\u003c\/h3\u003e\n \u003cp\u003eAll substrates must be clean, sound, smooth, dry, and free from contaminants. Gripset XpressLay must be applied onto primed surfaces. Priming is generally not required for non-porous, non-mineral surfaces like plastics and glazed surfaces when they are prepared, sound, and clean.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e Prime with \u003ca href=\"\/products\/rla-universal-primer\"\u003eRLA Universal Primer\u003c\/a\u003e diluted 1 part primer to 2 parts water. Apply one coat at a coverage rate of 1 litre per 5–10m².\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNon-porous substrates (mineral-based):\u003c\/strong\u003e Prime with undiluted RLA Universal Primer. Apply one coat at 1 litre per 5–10m².\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGreen or damp surfaces:\u003c\/strong\u003e Apply 1 to 2 coats of \u003ca href=\"\/products\/gripset-e60\"\u003eGripset E60\u003c\/a\u003e by brush or roller at a minimum coverage of 1 litre per 3m² per coat.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eDetailing, joins, and tiling\u003c\/h3\u003e\n \u003cp\u003eTo establish a continuous waterproofing or anti-fracture layer, follow these application requirements:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eOverlaps:\u003c\/strong\u003e All horizontal and vertical sheet joins must have a minimum 50mm overlap, pressed firmly with a hand-held vinyl roller. For waterproofing applications, coat all overlaps with a 100mm wide coat of a suitable Gripset liquid under-tile membrane applied centrally across the joint. No liquid coating is required on overlaps when used solely as an anti-fracture system in dry areas.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWall\/floor junctions:\u003c\/strong\u003e Detail critical corner intersections after sheet installation using either Elastoproof B50 Joint Band embedded in a suitable Gripset liquid under-tile membrane, or self-adhesive BRW PF Tape sealed with a liberal coat of the liquid membrane.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePenetrations and floor wastes:\u003c\/strong\u003e Slide the cut sheet over pipes and seal with Gripset liquid membrane, or use Elastoproof Collars or BRW PF Tape. For floor wastes, seal the interface between the sheet and the waste flange using BRW PF Squares before making the final centre cut.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTiling:\u003c\/strong\u003e Direct tiling over XpressLay requires polymer-modified cement-based adhesives, such as \u003ca href=\"\/products\/gripset-c-lite-tile-adhesive\"\u003eGripset C-LITE\u003c\/a\u003e, C-MASTIC, or C-RUBBER. For other adhesives, contact RLA Polymers to verify compatibility.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScreeds and toppings:\u003c\/strong\u003e If applying a screed, render, or concrete topping over XpressLay, incorporate \u003ca href=\"\/products\/gripset-11y\"\u003eGripset 11Y\u003c\/a\u003e as a proprietary bonding agent and water-resistant additive in the mix, or use \u003ca href=\"\/products\/gripset-c-bed\"\u003eGripset C-BED\u003c\/a\u003e engineered screed.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Gripset","offers":[{"title":"Default Title","offer_id":46183847887040,"sku":"GRIPEXP\/10","price":578.97,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/gripset-xpresslay-1mm-waterproofing-tile-underlay-adheseal.png?v=1763711642"},{"product_id":"ardex-a-48-rapid-set-screed","title":"Ardex A 48 Rapid Set Screed","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor fast-track floor prep on concrete substrates, ARDEX A 48 Rapid Set Screed allows you to lay tiles, natural stone, and terrazzo after 8 hours. It prevents the long drying delays of standard screeds, making it suitable for moisture-sensitive floor coverings, resilient systems, and parquet on commercial or residential projects.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eThis premixed cement and aggregate screed is formulated for rapid drying and high dimensional stability, helping to prevent the shrinkage cracks and curling common with traditional sand-cement mixes. It is compliant with the AS 1884 resilient flooring standard, allowing the application of smoothing cements after 24 hours and resilient or textile floorcoverings after 2 days. The rapid-setting binder system achieves 20 MPa compressive strength in 24 hours, meaning the screed is walkable in approximately 4 hours to keep trades moving on site.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e8-hour tile window:\u003c\/strong\u003e Ready to receive tiles, natural stone, and terrazzo after 8 hours of drying, compared to the multiple days required by conventional screeds.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e20 MPa compressive strength (1 day):\u003c\/strong\u003e Reaches approximately 20 MPa after 24 hours, rising to 30 MPa at 3 days and 35 MPa at 28 days to support heavy traffic and floor finishes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e15mm minimum thickness:\u003c\/strong\u003e Can be installed as a bonded screed at a minimum thickness of 15mm, or as an unbonded screed on a slipsheet at a minimum thickness of 40mm.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e60-minute working time:\u003c\/strong\u003e Provides up to an hour of working time at standard temperatures, though mixing, placing, and finishing must proceed in rapid 10-minute succession to manage the fast-setting chemistry.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e20kg\/m² coverage:\u003c\/strong\u003e Requires approximately 20kg of dry powder per square metre for every 10mm of screed thickness.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eARDEX A 48 is suitable for internal and external concrete floors. It can be configured as a:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eBonded screed directly over prepared concrete.\u003c\/li\u003e\n \u003cli\u003eUnbonded screed over a slipsheet.\u003c\/li\u003e\n \u003cli\u003eFloating screed over an insulating layer.\u003c\/li\u003e\n \u003cli\u003eHeated screed over floor heating systems.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003eIt provides a stable base for the subsequent installation of tiles, natural stone, parquet, resilient floor coverings, and the ARDEX WPM 750 Undertile Butynol waterproofing system.\u003c\/p\u003e\n\n \u003ch3\u003eInstallation and system limits\u003c\/h3\u003e\n \u003cp\u003eTo ensure a successful installation, follow these process rules:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSurface preparation:\u003c\/strong\u003e Subfloors must be mechanically prepared (shot-blasting, scarifying, or diamond grinding) to an open porous concrete matrix. Acid etching, solvents, and sweeping compounds must not be used. Direct-to-earth slabs require a damp-proof membrane or an ARDEX moisture barrier.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBonded slurry coat:\u003c\/strong\u003e Bonded applications require a wet-on-wet installation. Prepare a slurry bond coat using ARDEX P 51 mixed 1:1 with clean water and blend with the screed powder. Place the main screed mix directly into the wet slurry; do not allow the slurry coat to dry out.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBay sizing:\u003c\/strong\u003e Lay the screed in maximum 40m² bays, with the longest side not exceeding 8m. Maintain a length-to-width ratio of no more than 2. Separate bays with a 2mm gap, which can be joined the next day with epoxy to establish panels up to 100m². Bound all perimeter walls, columns, and directional changes with compressible foam strips and flexible polyurethane sealant.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompaction:\u003c\/strong\u003e Install in 50mm increments to ensure proper mechanical compaction. For multiple layers, follow the wet-on-wet slurry process between each lift.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not install ARDEX A 48 if the ambient or substrate temperature is below 5°C or above 35°C.\u003c\/li\u003e\n \u003cli\u003eDo not bond ARDEX A 48 directly to any ARDEX waterproofing membranes.\u003c\/li\u003e\n \u003cli\u003eAvoid placing heavy loads, such as pallets of tiles or heavy machinery, on the screed before it has achieved final strength.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ardex","offers":[{"title":"Default Title","offer_id":46775984652480,"sku":null,"price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/ardex_a_48_screed.png?v=1758170371"},{"product_id":"ardex-a-38-rapid-set-cement-screed","title":"Ardex A 38 Rapid Set Cement Screed","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor floor installations where downtime must be minimised, ARDEX A 38 allows tiling and stone placement to proceed within hours rather than weeks. This rapid-setting engineered screed cement is dimensionally stable and formulated to receive moisture-sensitive floor coverings, resilient flooring, parquet, and waterproofing membranes on concrete subfloors without the typical shrinkage or extended drying windows of traditional sand-cement screeds.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eARDEX A 38 functions as a binder that, when mixed with graded gravel, creates a high-early-strength screed for internal and external concrete floors. It can be installed as a bonded screed, an unbonded screed over a slip-sheet or insulation, or as a heated screed over floor heating systems. By curing rapidly and controlling moisture internally, the screed achieves an early strength of approximately 20 MPa within 24 hours, meaning the surface can be tiled after 8 hours and meets the AS 1884 dryness standard for resilient flooring after 2 days.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e8-hour tile-ready window:\u003c\/strong\u003e Allows the installation of tiles, natural stone, and terrazzo tiles just 8 hours after screed placement.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-day resilient floor window:\u003c\/strong\u003e Meets drying requirements to receive parquet, textile, and resilient floor coverings after 48 hours, compliant with AS 1884.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e15mm minimum bonded thickness:\u003c\/strong\u003e Enables thin-profile bonded screeds (up to any thickness in 50mm compacted increments) when installed wet-on-wet over a slurry bonding bridge.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e40mm minimum unbonded thickness:\u003c\/strong\u003e The minimum depth required when installing the screed over a slip-sheet, insulating layer, or heating pipes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e60-minute working time:\u003c\/strong\u003e Provides a practical window for mixing, placing, levelling, and finishing, though individual batches must be finished within 10 minutes of mixing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e35 MPa compressive strength (28 days):\u003c\/strong\u003e Achieves high structural performance under ISO 13007.4 testing (starting at approximately 20 MPa after 1 day and 30 MPa after 3 days).\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eARDEX A 38 is suitable for both internal and external concrete floor applications. It serves as the subfloor preparation layer prior to installing:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eCeramic tiles, natural stone, and terrazzo tiles\u003c\/li\u003e\n \u003cli\u003eResilient floor coverings, vinyl, and textile carpets\u003c\/li\u003e\n \u003cli\u003eWood parquet\u003c\/li\u003e\n \u003cli\u003eARDEX Waterproofing Membranes\u003c\/li\u003e\n \u003cli\u003eHydronic or electric heated screed systems\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eInstallation and mixing\u003c\/h3\u003e\n \u003cp\u003eTo prepare the subfloor, concrete must be mechanically prepared via shot-blasting, scarifying, or diamond grinding to achieve a clean, sound, open porous matrix. Acid etching, solvents, and sweeping compounds must not be used. Direct-to-earth subfloors require an effective damp-proof membrane or an ARDEX moisture barrier system.\u003c\/p\u003e\n \u003cp\u003eFor mixing, combine 20kg of ARDEX A 38 with 100kg of ARDEX Gravel Mix (0–4mm) using a horizontal forced-action mixer or screed pump. Gradually add between 9.5 and 11 litres of clean water. Do not exceed 11 litres of water per bag, do not add other cements, and do not use additives like compound oils. Mix for 2 minutes, ensuring the mixing drum is filled to no more than three-quarters capacity.\u003c\/p\u003e\n \u003cp\u003eFor bonded installations, a slurry bonding bridge must be prepared. Mix ARDEX A 38 and ARDEX Gravel Mix at a 1:1 ratio. Separately mix ARDEX P 51 and water at a 1:1 ratio. Combine the wet and dry mixes in equal parts (1:1 ratio), apply the thin slurry to the substrate, and place the screed mix immediately wet-on-wet. Never place the screed onto dry slurry or a dry substrate.\u003c\/p\u003e\n\n \u003ch3\u003eBay sizes and joint detailing\u003c\/h3\u003e\n \u003cp\u003eTo manage movement, the screed must be placed in bays of no more than 40m², with the longest side not exceeding 8m and a length-to-width ratio of no more than 2. Adjacent bays should be separated by a 2mm gap, which can be joined the following day with epoxy to build larger contiguous panels up to 100m².\u003c\/p\u003e\n \u003cp\u003eAll perimeter walls, protrusions, direction changes, and bay divisions must be isolated with compressible foam strip (such as Abelflex) and a flexible sealant like ARDEX RA 040 Polyurethane.\u003c\/p\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply when ambient or substrate temperatures are below 5°C or above 35°C.\u003c\/li\u003e\n \u003cli\u003eDo not bond ARDEX A 38 directly to any ARDEX Waterproofing Membranes; the membrane must go over the cured screed.\u003c\/li\u003e\n \u003cli\u003eAvoid placing heavy loads, such as pallets of tiles or heavy machinery, on the screed at 24 hours as final compressive strength is not yet reached.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ardex","offers":[{"title":"Default Title","offer_id":46776010834112,"sku":null,"price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/ardex_a_38_screed.png?v=1758171137"},{"product_id":"mapei-mapecemp","title":"Mapei Mapecemp Pronto Screed","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor interior and exterior floor slabs where rapid drying is required to lay timber, vinyl, carpet, or stone coverings without long curing delays, \u003ca href=\"\/products\/mapei-mapecemp-1\"\u003eMapecem\u003c\/a\u003e Pronto is a pre-blended, ready-to-use mortar that controls shrinkage and dries in 24 hours. It provides a fast-track screeding method for new concrete slabs, repairs in high-traffic commercial zones like supermarkets and hospitals, and screeds incorporating underfloor heating systems.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eMapecem Pronto eliminates the risk of weak screeds caused by incorrect on-site sand grading or binder dosage errors. Because it is pre-blended, you only mix it with water to achieve high mechanical strength, reaching a compressive strength of over 40 N\/mm² in 1 day and over 62 N\/mm² after 28 days. Its rapid hydration chemistry binds mixing water internally, allowing the screed to dry to less than 2% residual moisture within 24 hours so you can lay moisture-sensitive resilient floor coverings, PVC, linoleum, and wood safely. It achieves a CT - C60 - F10 - A1FL classification under European Standard EN 13813, verifying its high compressive and flexural strength profile.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 to 30 minutes pot life:\u003c\/strong\u003e Highly fast-setting mix that must be cast, tamped, and finished quickly. Mixed mortar cannot be transported or re-tempered once setting begins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 to 3 hours to foot traffic:\u003c\/strong\u003e Allows other trades early access to the floor slab without damaging the screed surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 to 4 hours stone window:\u003c\/strong\u003e Rapid drying allows ceramic tiles and natural stone to be laid directly over the screed in a fraction of the time required by standard sand-and-cement screeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 hours resilient window:\u003c\/strong\u003e Reaches under 2% residual moisture (carbide method) for laying moisture-sensitive wood, PVC, vinyl, and linoleum coverings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 kg\/m² per cm of thickness:\u003c\/strong\u003e Standard consumption rate depending on compaction levels to help you calculate exact bag requirements for the slab area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cp\u003eMapecem Pronto is suitable for three distinct installation types on concrete substrates and floor slabs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonded screeds (10 mm to 70 mm thick):\u003c\/strong\u003e Applied fresh-on-fresh over a bonding slurry consisting of 1 part by weight \u003ca href=\"\/products\/mapei-planicrete-sp\"\u003ePlanicrete SP\u003c\/a\u003e and 1 part by weight Mapecem binder. For high-stress areas, replace the slurry with Eporip. For thicknesses over 50 mm, incorporate galvanised metal reinforcement in accordance with AS 3958.1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnbonded screeds (35 mm to 70 mm thick):\u003c\/strong\u003e Laid over a polythene isolation slip-sheet to allow independent movement. Incorporate galvanised metal reinforcement in accordance with AS 3958.1 on compressible substrates, over piping, or at thicknesses exceeding 60 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloating screeds (55 mm to 70 mm thick):\u003c\/strong\u003e Laid over insulation or underfloor heating systems. Heating pipes must be located a minimum of 25 mm below the screed surface (reduced to 15 mm for residential installations) with reinforcing mesh placed over the pipes. Heating systems can be commissioned after 4 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not mix Mapecem Pronto with other binders (such as Mapecem, Topcem, cement, lime, or gypsum) or aggregates.\u003c\/li\u003e\n\u003cli\u003eDo not add water and do not re-mix the mortar if it has already begun to set.\u003c\/li\u003e\n\u003cli\u003eDo not wet the surface of the finished screed.\u003c\/li\u003e\n\u003cli\u003eFor resilient installations, carry out relative humidity and pH level readings on the concrete substrate in accordance with AS 1884. If rising damp is present, apply a suitable moisture vapour barrier (such as Primer MF or Mapeproof 1K Turbo) above the screed.\u003c\/li\u003e\n\u003cli\u003eDo not transport blended Mapecem Pronto due to its fast-setting characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMix one 20 kg bag of Mapecem Pronto with 1.5 to 1.7 litres of water for 3 to 4 minutes using a paddle mixer, drum mixer, or forced action mixer. Do not modify the water ratio under any circumstances, as this will compromise the final performance. Spread, tamp, and float the mix immediately; each batch must be fully placed and finished within 30 minutes of mixing. When work is interrupted, cut the screed vertically and insert 3 mm to 6 mm diameter, 20 cm to 30 cm long steel dowels spaced at 20 cm to 30 cm to tie the construction joints and prevent cracking.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mapei","offers":[{"title":"Default Title","offer_id":47989251801280,"sku":"MAPECEMP\/20","price":34.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/mapecemp-pronto-screed-waterproofing-adheseal.png?v=1780813181"},{"product_id":"mapei-mapecemp-1","title":"Mapei Mapecemp","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor high-traffic commercial slabs and residential subfloors where rapid turnaround is critical, Mapecem is a hydraulic binder that produces shrinkage-compensated screeds ready for floor coverings in 24 hours. Formulated to control water loss and dry independently of thickness, it achieves a residual moisture level below 2% within a day, allowing the fast installation of timber, vinyl, carpet, and tiles with minimal facility downtime.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eMapecem is mixed on-site with dry, clean graded aggregates and water to create a high-strength screeding mortar. It develops rapid mechanical strength and high density, allowing tile and stone to be laid after 3 to 4 hours, and resilient or timber floors after 24 hours. The rapid hydration mechanism locks in the mix water, ensuring the screed cures to a highly compact structure that resists alkalies, oils, and solvents under continuous traffic in environments like supermarkets, airports, and hospitals.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e24-hour drying time:\u003c\/strong\u003e Screeds dry to less than 2% residual moisture by weight, preventing moisture-induced adhesive failure or timber cupping when floor coverings are installed the following day.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e20 to 30-minute open time:\u003c\/strong\u003e A fast working window that requires the mix to be spread, levelled, and tamped immediately after mixing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e33 to 47 MPa compressive strength (at 24 hours):\u003c\/strong\u003e High early mechanical strength depending on the mix ratio (350 kg to 450 kg of Mapecem per cubic metre of sand), rising to 47 to 57 MPa after 28 days to support heavy traffic loads.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2 to 3 hours to light foot traffic:\u003c\/strong\u003e Allows trade access to the work area to prepare for final levelling or tile installation after only 4 hours.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e-30°C to +90°C service temperature:\u003c\/strong\u003e Safe for use with embedded underfloor heating systems and in areas exposed to thermal fluctuations.\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\u003eBonded screeds (10 to 70 mm thick):\u003c\/strong\u003e Applied fresh-on-fresh over a 2 to 3 mm thick slurry of \u003ca href=\"\/products\/mapei-planicrete-sp\"\u003ePlanicrete SP\u003c\/a\u003e and Mapecem on prepared, clean concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnbonded and floating screeds (35 to 70 mm thick):\u003c\/strong\u003e Laid over a polyethylene isolating sheet on existing or new slabs, or over compression-resistant insulation boards.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnderfloor heating:\u003c\/strong\u003e Suitable for screeds incorporating heating pipes, provided pipes are located at least 25 mm below the surface and covered with reinforcing mesh. Heating systems can be commissioned after 4 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePatching and repairs:\u003c\/strong\u003e Quick-setting patching of existing screeds in busy public zones subject to continuous foot traffic.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not mix Mapecem with other cements, lime, gypsum, or fine sand alone. Use graded aggregates from 0 to 8 mm.\u003c\/li\u003e\n \u003cli\u003eDo not leave Mapecem dry-mixed with aggregates; add water immediately. Do not exceed 3 to 4 minutes of mixing time, and do not mix in batching plants or transport via concrete mixer trucks due to the fast setting time.\u003c\/li\u003e\n \u003cli\u003eDo not add water to a prepared mix or remix the mortar after it has begun to set. Do not wet the surface of the laid screed.\u003c\/li\u003e\n \u003cli\u003eSince Mapecem screeds are exceptionally compact, absorption of water-dispersion adhesives is slow. For timber installations sensitive to moisture, use Ultrabond P990 1K polyurethane adhesive.\u003c\/li\u003e\n \u003cli\u003eFor resilient installations, substrate relative humidity and pH testing must be performed in accordance with AS 1884. If a moisture barrier is required, apply a suitable vapour barrier such as Primer MF or Mapeproof 1K Turbo above the screed.\u003c\/li\u003e\n \u003cli\u003eTo verify dry weight moisture levels, always use a carbide hygrometer. Electronic hygrometers provide only indicative readings.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eInstallation and detailing\u003c\/h3\u003e\n \u003cp\u003eFor bonded applications, the concrete substrate must be clean, dry, free of cracks, dust, wax, oil, and traces of gypsum, with existing joints carried through the screed. Mix one 20 kg bag of Mapecem with 80 to 100 kg of graded 0-8 mm gravel and 4 to 8 kg of water depending on aggregate moisture. Incorporate saw cuts to one third of the screed thickness in large bay sizes. If work is interrupted for more than 1 hour, cut the screed perpendicularly and insert steel rods (3 to 6 mm diameter, 20 to 30 cm long) spaced 20 to 30 cm apart into the edge to prevent cracking and differential movement. For bonded screeds over 50 mm thick, or unbonded installations on compressible substrates or over 60 mm thick, incorporate galvanised mesh reinforcement in accordance with AS 3958.1.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mapei","offers":[{"title":"Default Title","offer_id":47995205779648,"sku":"MAPECEM\/20","price":69.18,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/mapecem-fast-setting-screed-flooring-adheseal.png?v=1775470248"},{"product_id":"mapei-topcem-pronto-slurry","title":"Mapei Topcem Pronto Slurry","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eTo ensure a reliable bond when installing a Topcem Pronto bonded engineered screed, Topcem Pronto Slurry creates the critical interface on concrete substrates. It is formulated for both indoor and outdoor use to secure the screed layer directly to the prepared base.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eTopcem Pronto Slurry acts as a wet-on-wet bonding bridge. Mixed with either Planicrete and water or \u003ca href=\"\/products\/mapei-planicrete-sp\"\u003ePlanicrete SP\u003c\/a\u003e latex additive, it forms a highly cohesive slurry that must be applied directly to the concrete. The screed is then spread immediately over the wet slurry. This fresh-on-fresh technique ensures the physical integration of the screed to the concrete base, preventing cold joints, delamination, and hollow spots under traffic.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e2 to 2.5 kg\/m² consumption:\u003c\/strong\u003e The required application rate for the slurry powder to achieve a continuous 2 mm to 3 mm bonding layer on the concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e3 to 4 minutes slake time:\u003c\/strong\u003e The necessary resting window after initial mixing to allow the polymer chemistry to activate before a brief final remix.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e+5°C to +35°C temperature window:\u003c\/strong\u003e The allowable ambient and substrate temperature range required for application and curing.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eApply to structurally sound, clean, and dry concrete substrates. The concrete must be free of dust, oil, grease, paint, curing agents, primers, or any substance that inhibits adhesion. All loosely bonded toppings or debris must be completely removed by mechanical means such as shotblasting, scarification, or diamond grinding before application.\u003c\/p\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not use on concrete substrates subject to rising damp.\u003c\/li\u003e\n \u003cli\u003eDo not apply the Topcem Pronto screed if the slurry has dried on the substrate; the application must be wet-on-wet.\u003c\/li\u003e\n \u003cli\u003eIf the floor will be subjected to high mechanical stresses, use an epoxy bonding adhesive such as Eporip instead of Topcem Pronto Slurry.\u003c\/li\u003e\n \u003cli\u003eDo not mix with other binders or aggregates not specified in the technical instructions.\u003c\/li\u003e\n \u003cli\u003eIf the mixed slurry has begun to set, it must be disposed of. Do not add more water or latex additive, and do not remix.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003eFor application using a trowel, spread and gauge the slurry thickness using a 6 x 6 mm square notched trowel. Alternatively, apply a continuous and even 2 mm to 3 mm layer using a large flat brush or scrubbing brush. Topcem Pronto screed must be spread onto the slurry while the slurry is still fresh.\u003c\/p\u003e\n\n \u003ch3\u003eMixing ratios\u003c\/h3\u003e\n \u003cp\u003eMix the slurry thoroughly to a homogeneous, smooth consistency using one of the following ratios by weight:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eOption 1 (with Planicrete):\u003c\/strong\u003e 3 parts Topcem Pronto Slurry to 1 part Planicrete and 1 part water.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOption 2 (with Planicrete SP):\u003c\/strong\u003e 3 parts Topcem Pronto Slurry to 2 parts Planicrete SP.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mapei","offers":[{"title":"Default Title","offer_id":47998076846272,"sku":"MAPECEMPSLURRY\/20","price":27.44,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/mapei-topcem-pronto-slurry-adhesive-screed-adheseal.png?v=1775470395"}],"url":"https:\/\/adheseal.com.au\/collections\/tiling-substrate-prep.oembed","provider":"Adheseal","version":"1.0","type":"link"}