DRYLOK Siloxane 7 Brick & Masonry Penetrating Sealer is formulated with a 7% blend of silane/siloxane to produce an invisible one-coat weatherproof treatment. This special blend provides superior performance and protection against staining, efflorescence, freeze/thaw, and hurricane-force wind-driven rain.
- Invisible barrier against moisture
- Breather-type finish – keeps water droplets out but allows water vapor to escape
- Contains silane/siloxane
- Resists 98 mph wind-driven rain
- Service life is estimated at more than 10 years
- Complies with all current VOC requirements