BoatLIFE LifeSeal Marine Sealant, Black, 2.8 Oz – Silicone/Polyurethane Hybrid

Create enduring, watertight seals for demanding marine environments with BoatLIFE LifeSeal Sealant. This advanced, one-part formula combines the best attributes of marine silicone and polyurethane, delivering superior adhesion and flexibility specifically for fiberglass and a wide range of boat-building materials. Engineered for both above and below the waterline applications, LifeSeal provides a durable, permanent seal that withstands structural movement and harsh weather conditions. Upgrade your vessel's integrity and protect against the elements with this professional-grade sealant.

Key Benefits & Features:

• Hybrid Marine Formulation: A unique blend of marine silicone and polyurethane, optimized for high adhesion to fiberglass.
• Superior Adhesion & Flexibility: Provides measurably better adhesion than traditional silicones while retaining elasticity and memory properties, ensuring a durable, permanent watertight seal for joints subject to movement.
• Versatile Application: Suitable for use both above and below the waterline, ideal for sealing decks to hulls, thru-hull fittings, vinyl ports, windshield glazing, and bedding marine hardware.
• Non-Damaging Removal: Can be removed without causing damage to gel-coat, simplifying future maintenance.
• Fast-Curing & Stable: Features a fast-curing, low-odor, non-sagging, non-corrosive, and non-yellowing formula. Tack-free in 20 minutes and fully cures within 4-36 hours.
• Wide Material Compatibility: Adheres tenaciously to fiberglass, metal, glass, wood, Lexan®, and ABS® (Acrylonitrile Butadiene Styrene).
• Resistant to Marine Conditions: Mildew resistant and acid-free, impervious to sunlight, rain, or snow, and maintains performance across extreme temperatures (-80°F to 400°F).
• Meets Federal Standards: Exceeds the requirements of Federal Specifications TT-S-001543A (COM-NBS) Type Non-Sag Class A.

Note: Not recommended for ferro cement hulls, impregnated wood, or oil-soaked materials.