BoatLIFE Life-Calk Marine Polysulfide Sealant, White, 10.6 oz.

Ensure lasting watertight integrity for your vessel with the BoatLIFE Life-Calk Marine Polysulfide Sealant. This professional-grade, permanently flexible sealant is engineered to withstand the harsh marine environment, providing superior adhesion and durability both above and below the waterline. Trust the proven performance of a formula that has protected boats since 1959. Proudly made in the USA, Life-Calk is the essential choice for maintaining your boat's longevity. Upgrade your marine maintenance kit today.

Key Benefits & Features:

• Permanently Flexible Polysulfide Formula: Creates a long-lasting, resilient seal that accommodates structural movement without cracking or shrinking.
• Versatile Application: Ideal for use on deck and hull hardware, thru-hull fittings, and seams, effective both above and below the waterline.
• Superior Adhesion: Forms a strong bond with fiberglass, wood, metal, and glass, ensuring comprehensive sealing for various marine surfaces.
• Exceptional Resistance: Maintains integrity against common marine elements including teak oils, gasoline, and diesel fuel.
• Efficient Curing: Tack-free in 1 to 3 days, curing to a firm, flexible rubber seal with full cure typically within 7 to 10 days, depending on environmental conditions.
• Emergency Repair Capability: Can be applied to damp surfaces and even underwater for urgent repairs, offering peace of mind.
• Sandable & Paintable: Once fully cured, the sealant can be sanded and painted to match your vessel's finish.
• Certified Performance: Meets or exceeds stringent Federal Specifications ASTM-C 920 and Military Specifications C-18255E (Ships).

Compatibility & Usage Notes:

• Bonds effectively to fiberglass, wood, metal, and glass.
• Not compatible with all paints, including Sikkens, Cetol, Deks, Olje, and polyurethane paints. Testing is recommended.
• Do not use on Lexan® or ABS materials.

WARNING: This product can expose you to chemicals including Toluene which is known to the State of California to cause birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.