RadonSeal Standard – Deep Penetrating Concrete Sealer (2.5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Against Water Vapor, Water Seepage, & Radon Gas Permanently!

MONEY BACK GUARANTEE USER- FRIENDLY – Non-toxic, non-flammable, zero VOC's.

EASY TO APPLY – Spray or roll-on application.

PERMANENT – No reapplication needed.

PENETRATES - Does not leave a coating.

Works by absorbing and reacting inside concrete.