{"title":"Crack Injection \u0026 Repair","description":"\u003cp\u003eRemedial waterproofing products for existing concrete where the membrane has failed or was never applied. Crack-injection resins fill and seal cracks under pressure; rapid-set water plugs halt active water in seconds.\u003c\/p\u003e\u003cp\u003eThis is a repair branch — it applies to remediation jobs, not to new waterproofing installations.\u003c\/p\u003e","products":[{"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":"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":"ardex-ra-88-plus-multi-purpose-epoxy-repair-adhesive","title":"Ardex RA 88 Plus Multi-Purpose Epoxy Repair Adhesive","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor horizontal, vertical, and overhead concrete repairs, ARDEX RA 88 Plus is a non-drip, non-sag epoxy adhesive that fills holes, seals cracks, and sets anchor bolts. It is formulated to bond structurally to major construction substrates—including metal, concrete, brick, wood, stone, and block—and meets AS\/NZS 4020 for contact with potable drinking water.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eARDEX RA 88 Plus is a two-component epoxy that cures to a high compressive strength of 87 MPa, making it suitable for structural repairs and spall patching. Its paste consistency allows it to be trowelled flush into overhead or vertical gaps without running or sagging. The adhesive serves as a chemical anchor for bolts, a rigid seal for crack injection ports, and a high-strength termination sealant for selected ARDEX Sheet Applied Waterproofing Membranes inside prepared reglets. In swimming pools, its density allows underwater installation of tiles on side walls or bottom surfaces when applied to a dry tile.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e87 MPa compressive strength (ASTM D695):\u003c\/strong\u003e High-load resistance for structural concrete patching and anchor bolt installations after a 7-day cure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e20.1 MPa bond strength (ASTM C882):\u003c\/strong\u003e High-strength adhesion when bonding hardened concrete to hardened concrete after 14 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e3-hour tack-free cure (at 24°C):\u003c\/strong\u003e Rapid curing window that allows the epoxy to be ground mechanically, painted, or opened to full traffic after 3 hours.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e45-minute working time (at 24°C):\u003c\/strong\u003e Practical wet-edge window to align tiles, secure injection ports, or trowel spalls flush before curing begins. Working time drops to 20 minutes at 40°C and extends to 90 minutes at 4°C.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.00015% shrinkage (ASTM D2566):\u003c\/strong\u003e Negligible shrinkage at 48 hours, preventing tension cracks or bond-line failures along concrete joints.\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\u003eWaterproofing terminations:\u003c\/strong\u003e Sealing reglets and fixing Over-Flashing details for selected ARDEX Sheet Applied Waterproofing Membranes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete spall repairs:\u003c\/strong\u003e Patching ground-down spalls between 13mm and 16mm deep, and up to 76mm wide.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCrack injection:\u003c\/strong\u003e Adhering injection ports and sealing the face of cracks prior to injecting epoxy repair resins.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRigid bonding:\u003c\/strong\u003e Structural bonding of metal, brick, stone, block, wood, and concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePool maintenance:\u003c\/strong\u003e Replacing dislodged tiles underwater along pool walls and floors.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not use ARDEX RA 88 Plus to repair cracks subject to movement.\u003c\/li\u003e\n \u003cli\u003eDesigned for small patch repairs only. Deep or large-mass repairs will generate excessive chemical reaction heat, which can cause swelling, smoking, and cracking.\u003c\/li\u003e\n \u003cli\u003eDo not thin the product with solvents, as this will prevent curing.\u003c\/li\u003e\n \u003cli\u003eNot recommended for vertical crack or spall repairs underwater; underwater use is restricted to replacing tiles.\u003c\/li\u003e\n \u003cli\u003eThe cured epoxy may discolour under UV exposure.\u003c\/li\u003e\n \u003cli\u003eIf overcoating with paints or architectural coatings, avoid solvent-based coatings. Sanding the cured surface first is required to aid coating adhesion.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003eEnsure concrete substrates are a minimum of 28 days old. All concrete surfaces must be clean and mechanically prepared by rough-grinding, scarifying, or bush hammering to achieve a roughened profile. Smooth surfaces like wood or metal must be mechanically roughened with a wire brush or sandpaper. All dust, dirt, oil, and contaminants must be removed by vacuuming prior to application.\u003c\/p\u003e\n \u003cp\u003eTo prepare the cartridge, unscrew the plastic cap, remove the plug, and load the cartridge into an ARDEX Heavy Duty Caulking Gun (use the 254ml gun for the 254ml size, or the dual-cartridge gun for the 627ml size). Dispense a small amount of material until both parts flow evenly. Attach the mixing nozzle and purge a small amount of product until the paste has a consistent grey colour with no streaks.\u003c\/p\u003e\n \u003cp\u003eSubstrate and ambient air temperatures must be between 5°C and 35°C. If the work site or substrate is below 21°C, condition the cartridges to 21°C–24°C before use to prevent the product from thickening. Clean tools immediately with a mild solvent; cured epoxy can only be removed mechanically. The adhesive must be fully cured before conducting any water flood testing on waterproofing membranes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ardex","offers":[{"title":"Default Title","offer_id":46922474913984,"sku":"INJARDRA88","price":143.73,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/Ardex-RA-88.png?v=1759893504"},{"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"}],"url":"https:\/\/adheseal.com.au\/collections\/waterproofing-repair-inject.oembed","provider":"Adheseal","version":"1.0","type":"link"}