Gorilla 100% Silicone Sealant Caulk Window & Door, 10 Ounce Cartridge, White

Gorilla 100% Silicone: Window & Door is a premium sealant designed for durable, waterproof protection on windows, doors, and a variety of indoor and outdoor surfaces. This 100% silicone formula is 30-minute water-ready and fully cures in 24 hours, providing fast, reliable results. With lifetime mold resistance†, it protects against mold and mildew while remaining easy to clean. Highly flexible and meeting ASTM C-920, Class 35 standards, it won’t shrink, crack, or break down over time, ensuring a professional, long-lasting finish. Perfect for window and door frames, siding, trim, attics, basements, exterior gaps, vents, and more, it delivers 100% waterproof protection indoors and outdoors. Backed by Gorilla’s Lifetime Guarantee, this sealant combines speed, strength, and flexibility for dependable, long-term performance.DIRECTIONS:TO OPEN: Cut nozzle at 45° angle to desired bead size. Completely puncture inner foil seal.TO USE: All surfaces should be clean and free of dirt, grease, oil, and old sealant. For gaps larger than 1/2", use a backer rod. Best if applied above 40°F (5°C).1. Insert into cartridge gun.2. Apply sealant, pushing bead ahead of nozzle.3. Smooth bead immediately after application, before a skin forms.CLEAN-UP: Wipe off wet sealant immediately with a dry cloth. Isopropyl alcohol may be used according to solvent manufacturer’s instructions.STORAGE: Store in cool, dry location with nozzle attached. To re-use product, remove nozzle and clean out cured sealant from the tip.†LIFETIME MOLD RESISTANCE: Cured sealant is resistant to mold. Cured sealant must be cleaned regularly with soap and water to prevent growth on top of the sealant.

• Window & Door Ready – 100% silicone sealant designed for windows and doors, forming a durable, long-lasting seal that withstands sun, rain, and temperature changes
• 100% Waterproof & Rain-Ready – Fully waterproof for indoor and outdoor use; can be exposed to water in as little as 30 minutes with full cure in 24 hours
• Highly Flexible & Durable – Meets ASTM C-920, Class 35 standards and won’t shrink, crack, or break down over time, ensuring a professional, long-lasting finish
• Lifetime Guarantee & Clean Finish – Perfect for window and door frames, siding, trim, attics, basements, exterior gaps and cracks, vents, and more; backed by Gorilla’s Lifetime Guarantee