Silicone Caulk, Supreme, Window and Door Sealant, Black, 10.1 oz.

Supreme Silicone Window and Door sealant is a completely waterproof caulk that can create a dependable seal in weather-sensitive locations like windows, doors, basements, roofs, sidewalks, siding, tuckpointing, and attics. This caulk features a rain-ready formula that activates in just 30 minutes and is resistant to mold and mildew that can cause stains. Our 100% silicone sealant provides 40% greater flexibility compared to Class 25 sealants and has 7 times the adhesion strength of our Silicone 1 sealant. Additionally, it allows for 50% joint movement without cracking, shrinking, deteriorating, or washing away. Supreme Silicone Window and Door sealant is a high-quality caulk that has a low odor, making it suitable for indoor use, and it will not discolor most premium metal finishes like chrome, bronze, and nickel.

• 100% silicone caulking is fully waterproof and weather-resistant, ready for rain in 30 minutes

• Lifetime protection against mold

• Complies with ASTM C-920, class 50 standards

• 7 times stronger adhesion than Silicone 1, 40% more flexible than class 25 sealants

• Resistant to shrinking, cracking, freezing, and UV exposure

• Will not stain most premium metal finishes such as chrome, bronze, and nickel

• Neutral curing with a low odor

• Bonds well to: most metals and woods, aluminum, composites, brick, stone, stucco, masonry, cement board, glass, drywall, ceramic and porcelain tile, and more.