RadonSeal Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent Results!
- USER-FRIENDLY – Non-toxic, non-flammable, zero VOC’s..
- EASY TO APPLY – Spray or roll-on application..
- PENETRATES – Does not leave a coating. Works by absorbing and reacting inside concrete..