GE All Purpose Window and Door Silicone 1 Sealant is a 100% silicone, weatherproof caulk perfect for areas exposed to harsh weather. This versatile sealant offers strong adhesion, permanent flexibility, and a quick rain-ready formula. Ideal for windows, doors, siding, trim, and more, it resists mold, mildew, shrinking, and cracking. Enjoy 7-year mold-free protection with this durable sealant.