Lock out water and its damaging effects on dense concrete and masonry with Rust-Oleum OKON S-20 Water-Repellent Sealer. This silane/siloxane formula penetrates deeply to create a tough hydrophobic barrier against water invasions. Ready to use and paintable.
- For use on vertical, flat, dense surfaces—brick/stucco walls, etc.
- Prevents water, efflorescence and freeze-thaw damage; breathable
- Clear, non-yellowing, non-glossy; water-based, low VOCs and very low odor