Starbrite 082121 Marine Grade Silicone Sealant White 10.3 oz

Star brite Marine Silicone Sealant is the #1 selling marine sealant, formulated with 100% marine-grade silicone designed specifically for harsh marine environments. This professional-grade sealant provides superior adhesion and sealing performance that won't yellow, shrink, or sag over time.

Key Features:

• 100% marine-grade silicone formula for maximum durability
• Extreme temperature resistance from -70°F to +480°F
• Bonds to fiberglass, plastic, wood, glass, and metal surfaces
• Remains permanently flexible to accommodate expansion and contraction
• UV resistant—unaffected by sunlight, weathering, and saltwater exposure
• Resistant to most chemicals and solvents
• White color for clean, professional appearance
• 10.3 oz (300 ml) cartridge fits standard caulking guns

Ideal for sealing hatches, portholes, windows, deck hardware, and through-hull fittings. This marine silicone provides a watertight seal that stands up to the toughest conditions on boats, RVs, and other outdoor applications.