{"title":"Inject Masonry Cracks \u0026 Leaks","description":"\u003cp\u003eInject structural cracks and active water paths in concrete and masonry. This stage includes epoxy and polyurethane injection Products for evidence-backed structural repair and leak control.\u003c\/p\u003e","products":[{"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":"ardex-ra-142-structural-crack-injection-epoxy","title":"Ardex RA 142 Structural Crack Injection Epoxy","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor pressure injection and gravity feed structural crack repair in horizontal concrete and masonry, ARDEX RA 142 seals and bonds hairline to fine cracks from 0.05mm to 3mm. This two-component, 100% solids epoxy adhesive has a super low viscosity that penetrates deep into fine fractures to restore structural integrity to interior and exterior slabs, walls, and timber members.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eARDEX RA 142 functions as a high-strength structural binder and adhesive. Its super low viscosity of 190 cps allows it to flow freely into narrow fissures where thicker epoxies cannot penetrate. When mixed with kiln-dried sand or aggregate, it serves as a high-strength epoxy resin mortar for concrete spall repairs and interior surface overlays. The solvent-free formulation cures to a highly rigid polymer, achieving a compressive strength of 70 MPa and a tensile strength of 50 MPa to reinstate load path continuity across sheared or fractured structural sections.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.05mm to 3mm crack width:\u003c\/strong\u003e The target application window for horizontal and vertical concrete crack injection; for wider cracks, use ARDEX RA 144.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e190 cps mixed viscosity:\u003c\/strong\u003e A highly fluid, very thin liquid consistency that ensures deep penetration into tight hairline fractures.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e70 MPa compressive strength (7 days):\u003c\/strong\u003e Delivers structural loading capacity well exceeding standard concrete strengths.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e20-minute gel time (+24°C):\u003c\/strong\u003e The working window to dispense and inject the material before the chemical reaction begins to thicken the epoxy.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e24-hour full cure:\u003c\/strong\u003e The required setting window before injection ports, tubing, and capping paste can be chipped or ground off the substrate.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eThis structural epoxy is suitable for repairing dormant cracks in several configurations:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eHorizontal concrete slabs:\u003c\/strong\u003e Gravity-fed directly into prepared, grooved cracks or used for shear fracture repairs in both interior and exterior slabs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVertical concrete and masonry walls:\u003c\/strong\u003e Pressure-injected through fixed ports in conjunction with a surface capping paste such as ARDEX RA 88.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSpall repairs and patches:\u003c\/strong\u003e Mixed at a 2:1 ratio by volume with 4 to 5 parts of kiln-dried sand to form a pourable, trowelable repair mortar.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete bonding:\u003c\/strong\u003e Applied by brush or roller to bond fresh concrete to hardened concrete, or to bond hardened concrete sections together.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTimber members:\u003c\/strong\u003e Structural crack injection repairs for dormant cracks in wood structures.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not use to repair active cracks subject to ongoing movement; the cause of the cracking must be resolved prior to application.\u003c\/li\u003e\n \u003cli\u003eDo not use to stop seeping or flowing water; the crack must be dry at the time of injection for proper bonding.\u003c\/li\u003e\n \u003cli\u003eDo not thin with solvents, as this will prevent the epoxy from curing.\u003c\/li\u003e\n \u003cli\u003eNew concrete substrates must be a minimum of 28 days old before application.\u003c\/li\u003e\n \u003cli\u003eDo not use for basement walls where the back side of the concrete is inaccessible and runoff cannot be monitored; use the higher viscosity, thixotropic ARDEX RA 146 gel instead.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003eFor gravity-feed crack repairs, cut a groove 3mm wide and at least 1mm deep along the crack using an abrasive or diamond blade. Wire brush the groove and blow out all dust, dirt, grease, and contaminants prior to pouring or injecting the epoxy.\u003c\/p\u003e\n \u003cp\u003eFor spall repairs, cut a clean vertical edge around the spall perimeter to a minimum depth of 20mm to prevent feathered edges. Chip out loose material, clean the cavity, and mix Part A and Part B at a 2:1 ratio by volume before mixing in aggregate. Apply at a maximum mortar thickness of 35mm per coat.\u003c\/p\u003e\n \u003cp\u003eFor vertical cracks, clean the surface, secure injection ports at 15cm to 30cm intervals using ARDEX RA 88 capping paste, and seal the entire crack face. Inject ARDEX RA 142 from the lowest port upward until material flows from the adjacent port. Keep the final port under pressure for 30 seconds to ensure complete filling.\u003c\/p\u003e\n\n \u003ch3\u003eCartridge setup and dispensing\u003c\/h3\u003e\n \u003cp\u003eKeep the dual cartridge upright during preparation to prevent leakage. Shake the cartridge for 1 minute, then stand it upright for 1 minute to allow air bubbles to rise. Load it into the dispenser and point it upward at a 45-degree angle. Remove the cap and plug, then dispense material into a waste container until both parts flow evenly. Insert the flow control port and nozzle, point upward at 45 degrees, and dispense 1 to 2 trigger pulls to prime the nozzle. If using a pneumatic dispenser, use an air pressure regulator limited to a maximum of 275 kPa (40 psi) to prevent plunger leakage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ardex","offers":[{"title":"Default Title","offer_id":46922357866688,"sku":"INJARDRA142","price":143.22,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/Ardex-RA-142.png?v=1759892271"},{"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\/masonry-crack-injection.oembed","provider":"Adheseal","version":"1.0","type":"link"}