RadonSeal Standard Deep-Penetrating Concrete Sealer – Basement Waterproofing & Radon Mitigation – 5 Gals
RadonSeal Standard Concrete Sealer is a ready-to-use, reactive sealer formulated for maximum penetration and sealing of capillaries inside poured concrete and high-quality cementitious substrates. RadonSeal works by absorbing through the surface and deep within the concrete, chemically reacting, bonding, and inherently sealing the matrix of concrete.
- Basement Waterproofing & Radon Mitigation – Seals concrete internally, blocking pores to stop water, water vapor, efflorescence, and radon. Ideal for basements, foundations, slabs, and poured walls.
- Concrete Densifier – Chemically strengthens and hardens concrete, reducing cracks, dusting, spalling, and damage from salts, de-icing chemicals, freeze-thaw cycles, abrasion, and general wear.
- Permanent – No reapplication needed. Chemically bonds deep within concrete, becoming part of it. Resistant to hydrostatic pressure, no peeling, cracking, or fading, ensuring lasting protection.
- Eco-Friendly & Easy To Apply – Zero VOCs, no fumes or odors, solvent-free, non-toxic, and non-flammable. Water-based formula, safe for both indoor and outdoor use.
- Paintable – Serves as a primer for paints, epoxy, levelers, and flooring. Seal basement walls and floors to protect caotings against water, efflorescence, and warping before finishing your basement.
- Safeguards – Improves performance, providing lasting protection for concrete driveways, patios, sidewalks, pool decks, and retaining walls against wear, damage, and the effects of weather and traffic.
- RadonSeal Standard is ideal for newer poured concrete slabs, foundation, and retaining walls. For older concrete, concrete blocks, use RadonSeal Plus for enhanced protection.
Details
- Waterproofing – Greatly reduces capillary water seepage and water vapor inflow.
- Concrete Hardener – Strengthens surfaces against dusting, freeze-thaw and road salts.
- Efflorescence – Reacts with the alkalis inside concrete and can stop or minimize efflorescence and salt deposits.
- Soil Gases – Aids in reducing radon by restricting the infiltration of soil gases.
- Breathable Sealer – Does not trap water vapor and will not delaminate.
- Reduces Cracking – Protects against the rusting and expansion of rebar which can cause cracking.














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