Starbrite 082103 Marine Silicone Sealant Black 3 oz

Starbrite 082103 is the #1 selling marine-grade silicone sealant designed specifically for harsh marine environments. This 100% silicone formula delivers superior bonding and sealing performance that won't yellow, shrink, or sag over time.

Key Features:

• 100% marine-grade silicone formula for maximum durability
• Remains flexible across extreme temperatures from -70°F to +480°F
• Bonds strongly to fiberglass, plastic, wood, glass, and metal
• Resists yellowing, shrinking, and sagging even with prolonged exposure
• Unaffected by sunlight, weathering, most chemicals, and solvents
• 3 oz (100 ml) tube for easy application
• Black color for professional-looking seal lines

Ideal for sealing hatches, ports, windows, through-hull fittings, and general marine repairs. This professional-grade sealant maintains its integrity in saltwater environments and stands up to UV exposure, making it the trusted choice for boat owners and marine professionals.