GE Advanced Silicone 2 Window & Door sealant is ahigh-performance, 100%siliconeand100% weatherproofsealant ideal for protecting areas susceptible toharsh weather. Ideal for exterior applications, the sealant is rain-ready in 30 minutes and offers 10-year product protection against mold and mildew growth. Our sealant is 40% more flexible than Class 25 sealants and has 5X stronger adhesion than our Silicone 1* sealant. This sealant also has a low odor thanks to its neutral-cure formula, and it wont discolor most high-end metal finishes such as chrome, bronze, and nickel. Use GE Advanced Silicone 2 Window & Door sealant on a variety of surfaces, including windows, doors, siding, trim, molding, baseboards, vents, basements, attics, and around wiresandpipes.