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

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. 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 from 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..

• 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