BoatLIFE LifeSeal® Polyurethane/Silicone Sealant, Clear 10.6 oz. Cartridge

Ensure a superior, lasting seal for your marine applications with the BoatLIFE LifeSeal® Polyurethane/Silicone Sealant. This innovative, clear formula combines the best attributes of marine silicone and polyurethane, specifically engineered for fiberglass boats and a wide array of marine materials. Proudly made in the USA since 1959, LifeSeal® offers exceptional durability, flexibility, and a watertight barrier that performs reliably above and below the waterline. Upgrade to professional-grade protection for your vessel today.

Key Benefits & Features:

• Advanced Hybrid Formula: Unites marine silicone for flexibility with polyurethane for robust strength and adhesion, specifically formulated for fiberglass applications.
• Fast-Curing & High Adhesion: Forms a tack-free skin in 20 minutes or less, curing rapidly to a firm rubber within 24 to 36 hours for a 1/4" depth, minimizing dirt pickup and ensuring a secure bond.
• Extreme Weather Resilience: Engineered to withstand harsh marine conditions, remaining flexible from -80°F to 400°F and impervious to sunlight, rain, or snow.
• Permanent Flexibility: Accommodates up to 75% total movement in active joints, returning to its original shape and dimension even after prolonged deformation.
• Non-Sagging & Non-Yellowing: Maintains its position during vertical application for a clean finish and resists yellowing over time, preserving your boat's aesthetic.
• Mildew Resistant & Acid-Free: Provides a clean, durable seal that resists mildew growth and is formulated without acids for material compatibility.
• Gel-Coat Safe Removal: Can be removed without causing damage to your boat's gel-coat, offering flexibility for maintenance and repairs.
• Versatile Marine Application: Ideal for sealing decks to hulls, thru-hull fittings, vinyl ports, windshield setting/glazing, and bedding marine hardware.
• Broad Material Adhesion: Bonds tenaciously to fiberglass, metal, glass, wood, Lexan®, ABS®, and other common boat building materials.
• Waterline Versatility: Suitable for reliable performance both above and below the waterline.

Trust Signal: Exceeds Federal Specifications TT-S-001543A (COM-NBS) Type Non-Sag Class A.

Limitations: Not recommended for ferro cement hulls, impregnated wood, or oil-soaked materials. Should not be applied in totally confined spaces as it requires atmospheric moisture to cure.