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Ardex RA 88 Plus Multi-Purpose Epoxy Repair AdhesiveVendor:
ARDEX RA 88 Plus is a high-strength, non-sag two-part epoxy repair adhesive for filling, patching and rigidly bonding concrete and other suitable construction materials. Its trowelable paste consistency makes it particularly useful for vertical and overhead repairs where a low-viscosity injection resin would run...- $143.73
- $143.73
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Gripset C-PlugVendor:
For 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...- From $51.96
- From $51.96
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Mapei Lamposilex (Waterplug)Vendor:
Lamposilex is an ultra-rapid hydraulic waterplug for stopping active water ingress in compatible concrete and masonry. It is designed for the repair moment when ordinary cement mortar would wash out before hardening: once mixed, it develops a firm plug in about two minutes under...- From $49.53
- From $49.53
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Mountain Grout Gel FoamVendor:Green Mountain InternationalMountain Grout Gel Foam is a hydrophilic polyurethane injection grout designed to stop active water leaks through cracks and joints in concrete. It reacts with water inside the leak path, expanding into a flexible foam or gel to seal areas that remain consistently wet.Where...
- From $187.62
- From $187.62
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Mountain Grout FlexibleVendor:Green Mountain InternationalMountain Grout Flexible is a hydrophobic polyurethane injection grout for sealing active leaks through cracks and failed joints in concrete. When it reacts with water, it expands into a flexible, closed-cell foam that is suited to structures exposed to changing water levels and wet/dry...
- From $187.62
- From $187.62
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Mountain Grout UltraVendor:Green Mountain InternationalMountain Grout Ultra is a higher-elongation, hydrophobic polyurethane injection grout for stopping water leaks through cracks and joints where movement may occur. On contact with water, the injected resin expands into a flexible closed-cell foam that maintains its form through wet/dry cycles.Where it works...
- From $187.62
- From $187.62
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Frequently Asked Questions
What is crack injection?
A method that fills a crack in existing concrete with resin injected under pressure through ports fixed along the crack. Mountain Grout Flexible, Gel Foam and Ultra are the stocked injection resins. They stop water passage and restore integrity to the concrete.
How do I stop an active leak?
A rapid-set water plug sets in seconds to minutes and halts active water at the leak point. Gripset C-Plug and Mapei Lamposilex are the stocked options. Once the leak is stopped, a crack-injection resin or repair mortar completes the repair.
Is repair and injection part of new waterproofing?
No. These products are for remediation, where existing concrete has cracked or a membrane has failed. New waterproofing uses the membrane system. Match the product spec to the job conditions before you start.
What is the difference between positive and negative waterproofing?
Positive waterproofing goes on the water-facing side. Negative waterproofing goes on the opposite side, typically the interior of a basement or tank. Crack injection and rapid-set plugs are often negative-side techniques.
Can I inject a crack that is actively leaking water?
Yes, with the right resin. Mountain Grout Gel Foam and Ultra are made for wet and actively leaking cracks. The resin reacts with water to form a seal. Surface preparation and port placement follow the resin manufacturer's instructions.