100% Silicone Sealant is a superior quality, multi-purpose formula that provides long-lasting, weather-resistant seals. It offers excellent adhesion, flexibility and durability and can be used on a variety of surfaces indoors or outdoors. Use on Window and Door Frames, Skylights, Aluminum Siding, Trim, Gutters, Vents, Pipes Air Conditioners. Long-lasting formula gives tight, weather-resistant seals to glass, metal and ceramic surfaces. Will not crack, shrink or peel. Can be applied at temperature below freezing. 50 year limited warranty. Interior/exterior use. Solvent clean-up. FORMS A WEATHER RESISTANT SEAL: Ideal for interior or exterior use, the Silicone Sealant can be used for various applications inside or outside of your house; use it on windows, and door frames, skylights or aluminum siding, trim, gutters, to repair a fence, an air conditioner or any other surface silicone adheres to EXCELLENT ADHESION TO VARIOUS SURFACES: This 100% Silicone Sealant adheres to most metals, plastics woods, glass, drywall, plaster, granite, cultured marble, ceramic porcelain tile, natural stone, cement board, composites, Formica, fiberglass, aluminum painted surfaces WILL NOT CRACK, SHRINK OR PEEL: With its Permanent Flexibility design, the multi-purpose sealant will withstand the elements and won?t crack, peel or shrink for a dependable seal that lasts for years 50-YEAR PRODUCT DURABILITY GUARANTEE: Depend on Red Devil?s 100% Silicone Sealant for your home improvement projects; the sealant stays permanently flexible with impressive adhesion and provides a water-resistant seal durable for 50-years FOR BEST RESULTS: Before applying the sealant, remove any old caulk, debris, or other residues that might interfere with adhesion and make sure the architectural grade RTV Sealant is used on clean, dry surfaces for best results 50 year limited warranty Can be applied at temperatures below freezing