Gorilla Silicone Sealant | Waterproof White Caulk | 2.8 oz Tube for Indoor & Outdoor Use

The Gorilla Silicone Waterproof Sealant in White (2.8 oz) is a powerful, 100% silicone-based solution engineered to provide a long-lasting waterproof barrier. Designed for both indoor and outdoor use, this sealant effectively blocks out water, air, and moisture, making it perfect for a variety of sealing tasks around the home, vehicle, or boat.

Its advanced formulation is mold- and mildew-resistant and cures quickly—ready for water exposure in as little as 30 minutes. Once cured, it forms a durable, flexible seal that resists shrinking, yellowing, or cracking, even under extreme temperatures ranging from -40°F to 350°F. Whether you’re sealing windows, doors, showers, sinks, or gutters, this white silicone caulk is built to perform.

The 2.8 oz tube is ideal for small to medium-sized jobs and offers precision application for cleaner results. Gorilla’s silicone sealant meets ASTM C-920 standards and bonds to a variety of materials including ceramic, glass, concrete, plastic, rubber, and wood.

Key Benefits:

• 100% waterproof silicone formula for strong, flexible seals
  

• Resists mold and mildew for long-lasting performance
  

• Water-ready in just 30 minutes; fully cured in 24 hours
  

• Will not shrink, yellow, or crack over time
  

• Suitable for both indoor and outdoor applications
  

• Bonds to most common building materials
  

• Handy 2.8 oz tube for quick repairs and small projects
  
  

Where to Use:

• Around windows and door frames
  

• In kitchens and bathrooms
  

• On plumbing fixtures and gutters
  

• For automotive or marine applications
  

• General waterproofing projects indoors or outdoors
  
  

If you're looking for a reliable, fast-curing silicone caulk that delivers professional results, the Gorilla Silicone Waterproof Sealant White 2.8 oz is a smart choice for everyday repairs and upgrades.

Enjoy free standard shipping on all orders over $150. Read our shipping policy here.

Returns of new, unused items are accepted for
a refund or exchange within 30 days of purchase. Read our return policy here.