Use the United Gilsonite Laboratories 4 lb. DRYLOK Fast Plug Hydraulic Cement to seal settlement cracks in masonry walls and floors. The fast-setting hydraulic cement can help to reduce radon gas penetration.
California residents: seeProposition 65 information
- Use to seal cracks in masonry, stop active water leaks and anchor posts and railings
- Interior/exterior use
- Mixes easily with water
- Sets in 3 - 5 minutes
- Expand as it dries
- 3,050 psi