Boat Life 1171 LifeSeal Marine Sealant Black 10.5oz Cartridge

Boat Life LifeSeal is a premium hybrid marine sealant that combines the best properties of silicone and polyurethane technologies for superior bonding and sealing performance. This professional-grade sealant is specifically formulated for marine applications where a flexible, waterproof seal is essential.

Key Features:

• Hybrid formula combines silicone flexibility with polyurethane adhesion strength
• Excellent adhesion to multiple substrates including metal, glass, wood, Lexan, and ABS plastic
• Ideal for sealing and bedding deck hardware, thru-hull fittings, and vinyl ports
• Perfect for windshield installation and glazing applications
• Flexible seal accommodates movement and vibration in marine environments
• Superior water and weather resistance for long-lasting protection
• Black color for professional appearance
• Standard 10.5 oz cartridge fits common caulking guns
• Non-paintable formula

LifeSeal provides a reliable, long-lasting seal for both above and below waterline applications. Its hybrid chemistry delivers the flexibility needed to handle hull flex and thermal expansion while maintaining a watertight seal. This sealant is trusted by boat builders and marine professionals for critical sealing applications where failure is not an option.