100% Waterproof: This 100% silicone formula cures to seal out air, water, and moisture to prevent water damage and UV.
15 Years Durability Guarantee: Black silicone sealant can be used both indoors and outdoors. Widely works on most surfaces such as metal, tile, ceramic, stone, wood, glass.
30 Minute Water-Ready: The black caulking sealant waterproof will dry in 30 minutes and solidify in 24 hours.
No Cracking And Shrinking: Cured black RTV silicone caulk will not shrink or crack even when constantly exposed to extreme weather (-122°F to +305°F).
Seal & Fortify Your Home: Our caulk & seal's silicone sealant is great for sealing or repairing home windows, door frames, kitchen sink, bathroom shower tub bath doors, RV, car, marine, plumbing, etc.
