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
Smooth 80-120 sq. ft. per gal; Exposed Aggregate 50-100 sq. ft. per gal