Gorilla Glue 100% Silicone Sealant Gel is great for kitchen, bath, window, doors, plumbing, gutters and more. Ready for water exposure in just 30 minutes, this sealant adhesive form is mold & mildew resistant and won't yellow, shrink or crack over time. Do not use on wet, damp, frozen or contaminated surfaces. Not paintable. Not for use in underwater applications, aquariums, on brick, masonry, cementitious materials or on metals sensitive to corrosion including brass & galvanized metals.