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NO DRILLING REQUIRED The low-pressure injection method eliminates the need for drilling. HAIRLINE CRACKS Low-viscosity 2-component injection urethane is suitable for the repair of hairline cracks. NO NEED TO EXCAVATE Save serious money by repairing the crack from the inside. NO SPECIAL TOOLS REQUIRED Use a standard caulking gun to inject. PERMANENT – Prevents water seepage permanently! Imperious to water vapor soil gases and even radon. p The RadonSeal DIY Foundation Concrete Crack Repair Kit stops water leaks through hairline or large cracks in concrete foundation walls using state-of-the-art low-pressure injection. – NO DRILLING REQUIRED! /b – A complete crack injection kit for homeowners or contractors. Only a conventional caulking gun needed for injection. – Our commercial-grade two-component polyurethane forcefully expands and permanently fills the entire crack up to 22-inch. thick walls. The closed-cell foam is impervious to moisture and soil gases including radon. Tenaciously bonds to dry or wet concrete but remains flexible to allow for its natural movement. The crack will never leak again unlike caulk or hydraulic cement. Enough to seal up to 10 linear ft. of cracks in poured concrete. /p