5 gal Zinsser OK910 Clear Okon, W-1 Water-Repellent Sealer Non-Porous Surface

Features For dense concrete and masonry. Protects against efflorescence, freeze-thaw damage and dusting and staining. For use on case concrete, tilt-up panels and unglazed brick. Water-base, paintable, low voc, breathable, clear and non-yellowing. Capacity - 5 gallon. - SKU: LCST18030