DRYLOK® is ideal for interior/exterior, above/below grade masonry including cinder and concrete block, stucco, brick, and bare concrete swimming pools. Features flexible encapsulated polymers for a beautiful, smooth waterproof finish. Specifically formulated to resist mildew growth on the dry paint film, with the incorporation of a biocide. Tested to ASTM D-7088 resistance to hydrostatic pressure and ASTM D-6904 resistance to wind-driven rain. Stops 15 psi, greater than a wall of water 33 feet (10 meters)high! Fully transferable 15 year warranty.
- Smooth, gray, ready-to-use formula needs no premixing 
- Resists mildew growth on the dry paint film 
- Resists 15 PSI, equivalent to a wall of water 33-ft high 
- Category 4-resists 140 MPH wind-driven rain 
- Reduces radon gas penetration 
- Green Wise Certified by Coatings Research Group Incorporated 
- Tested to ASTM D-7088 resistance to hydrostatic pressure and ASTM D-6904 resistance to wind driven rain 
- Fully transferable 15 year warranty 
- Guaranteed to stop water, even under pressure