Concrete Sealer - Waterproofing - RadonSeal Deep-Penetrating Sealer RadonSeal Deep-Penetrating Concrete Sealer is the ultimate waterproofing and radon mitigation solution for concrete walls, floors, and concrete blocks. Unlike surface coatings, RadonSeal seals deep inside concrete, preventing the infiltration of water seepage, moisture intrusion, and soil gases. It also strengthens concrete surfaces, reducing dusting and efflorescence and minimizing cracking for long-lasting protection. ✔ Seals indoor & outdoor concrete, concrete blocks, basement floors & walls, driveways, patios, and foundations ✔ Reduces and controls moisture transfer rates and can help mitigate radon gas ✔ Strengthens concrete and helps minimize cracking & dusting ✔ ZERO VOCs, non-toxic, and easy to apply #ConcreteSealer #Waterproofing #RadonSeal #RadonMitigation #basement #ConcreteProtection #ConcreteBlocks #DIYHomeImprovement #basementwaterproofing #RadonSeal