6 Pack, Clear, Zinsser Okon W-2 Water Repellent Sealer- OK921, Gallon

Unique silane/siloxane formula provides excellent protection from water, efflorescence, staining and freeze-thaw damage Ideal for porous concrete and masonry surfaces including medium and normal weight block, rough stucco, non-glazed concrete brick, non-glazed slump block and other comparably porous materials Ready-to-use, water-base repellent covers up to 120 square feet per gallon depending on the surface Clear, non-yellowing, penetrating formula