500 Series, Bond-Crete Silicone/Acrylic Concrete Waterproof/Sealer. A durable pigmented masonry waterproofing stain coating designed to penetrate into unpainted and/or unsealed cementitious surfaces. Its special formulation of solvents, acrylic resin, silicone and color pigments add long lasting beauty to the surface, while helping to seal the surface fully protecting the surface from powdering, staining and moisture penetration. It dries fast, has a low sheen to minimize slipping, provides excellent weather resistance, wear resistance and offers superior color retention. It may be applied to surface areas coated with a similar concrete stain type product, but is not recommended for application over any other existing paint coatings. Gallon. Color: Clay. Richard's Paint Dries Fast Low Sheen Excellent Weather Resistance Superior Color Retention Superior Wear Resistance Seals & Waterproofs