DRYLOK Siloxane 7 1 gal. Clear Invisible Exterior Brick and Masonry Penetrating Sealer Concrete Sealer

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 has no sheen and is virtually invisible on stucco, brick, and concrete.