Rain Guard Water Sealers Water Sealers CR-0201 Blok-Lok Ready to USE Sealer Covering Up to 150 Sq. Ft. 1 Gallon Clear Penetrating Sealer Silane & Siloxane Professional Grade Description Protect, restore and extend the life of your project with blok-lok clear finish silage siloxane coating for use on porous surfaces. Made from the best water repellent chemicals in the construction market, blok-lok is formulated by blending silages and siloxanes that have long been trusted by architects, engineers and building owners around the globe. Blok-Lok contains a proprietary ingredient called Micro-Look that ensures a long lasting mechanical bond and creates a hydrophobic barrier that is not affected by weathering, salt, dirt, freezing temperatures, UV light and wind-driven rain, among many other damaging elements. Also, this product will help minimize efflorescence and lime. Easy clean up - simply use soap and water directly after application and make sure to clean any overspray on glass and decorative metals. Available in ready to use and concentrate formulations. Features: Restore, protect and extend the life of any porous horizontal or vertical surface with a high performance hydrophobic coating. Does not alter surface appearance - does not leave a surface film, no sheen and will not yellow. Use as a primer before painting to prohibit moisture transfer in the substrate or protect from stains such as oil, gas and anti-freeze. 100% penetrating coating provides excellent resistance to water, salt spray, ice removal agents and wind driven rain. Protects your investment with a five year satisfaction and can be used anywhere in the country. Product Details: Brand: Rain Guard Water Sealers Style: 1 Gallon Ready to Use Compatible Material: Metal Water Resistance Level: Water Repellent Item Form: Spray Is Discontinued By Manufacturer ‏ : ‎ No Package Dimensions ‏ : ‎ 11.5 x 7.01 x 3.5 inches; 9 Pounds Item model number ‏ : ‎ CR-0201 Date First Available ‏ : ‎ June 30, 2017 Manufacturer ‏ : ‎ Rainguard International Best Sellers Rank: #949,431 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #1,024 in Hardware Sealers #1,024 in Hardware Sealers Customer Reviews: 3.7 3.7 out of 5 stars 24 ratings