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. Adheres to Aluminum, Ceramic Tile, Glass, Porcelain, Fiberglass, Vinyl, Plastic. Use on Window and Door Frames, Skylights, Aluminum Siding, Trim, Gutters, Vents, Pipes, Air Conditioners. Maximum Flexibility. Excellent adhesion to any surfaces. Not paint able. Solvent clean up. Interior/exterior use. Will not crack, shrink or peel.