Drylok 23613 Brick and Masonry Sealer, Milky White, Liquid, 1 gal (Pack of 2)

DRYLOK® siloxane 7 brick and masonry penetrating sealer is a clear, durable, water-repellent, specialty formulation for use on exterior, above-grade, vertical and horizontal brick and masonry surfaces. With just one coat, it minimizes the deterioration of masonry and mortar and helps control efflorescence (salt deposits) and surface staining. DRYLOK® siloxane 7 brick and masonry penetrating sealer prevents moisture penetration and eliminates plaster cracking, paint blistering and damp staining of interior finishes.