Henry 887 Tropi-Cool 100% Silicone Gray Roof Coating is a premium, 100% silicone, moisture-cure coating designed to reflect the sun's heat and UV rays as well as protect many types of roofs. While suitable for use in all climates, the 100% silicone chemistry is especially suited for extreme tropical environments, which are exposed to some of the hottest and wettest weather with intense UV exposure. It is specially designed to maintain maximum reflectivity of heat and UV rays as it ages. Its moisture-cure chemistry creates a very aggressive chemical bond with the roof, which allows for permanent ponding water resistance, extreme durability, and superior capabilities of sealing and protection.. 100% WATERPROOF SILICONE - Energy efficient & rain-safe in 15 min. VERSATILE - Can be used on rolled roofing, RV's and more. Extends roof life and is backed by a lifetime warranty. Application Method: Brush On,Roll On,Spray On. Approximate Coverage Per Gallon (sq. ft): 67. Coating Base: Silicone. Cold Applied: Cold Applied. Color Family: Silver. Features: Algae Resistant,Extreme Heat,High Impact/Hail Resistant,High Wind Resistant,Ice and Water Shield,Impact Resistant,Mildew Resistant,Quick Dry,Waterproof. Fire Rating (UL 790): No Rating Available. Number per Package: 1. Package size (gallons): 4.75 gal. Roofing Product Type: Reflective Roof Coating. Surface Recommended: Coated Roofs,Concrete Roofs,Concrete/Masonry,Metal,Metal Roofs,Mobile Home Roof,PVC Membrane,Rubberrized-Asphalt,Rubberrized-Mastic,Rv Roof,TPO Membrane,Trailer Roof. Coverage Area (sq. ft.): 318.25 sq ft. Product Width (in.): 12 in