BOATLIFE Life-Calk® Sealant

Versatile one-part adhesive/sealant for hardware sealing and bedding above and below the waterline.

One-part, thiokol-based polysulfide sealant cures to a positive waterproof seal. Resists oil, brine, gas, water and most chemicals. Bonds to wood, fiberglass, metal and glass. No priming required except on oily woods such as teak.

Key features 

• Permanently flexible marine sealant
• Can be sanded and painted
• Resistance to teak oils, gasoline, and diesel fuel
• Will bond to fiberglass, wood, metal, glass, and itself
• Cures to a firm flexible rubber seal
• Can be applied underwater

Specifications

• Formulation: One-part polysulfide 
• Recommended Usage: Fiberglass, wood, metal, glass, above and below water 
• Material Incompatibilities: Not recommended for use with ABS or Lexan plastics 
• Adhesion Rating: Tensile: 170 psi; 
• Ultimate elongation: 500% 
• Cure Time: Tack-free: 24hrs.; Complete cure: 10-20 days
• Removal: Mechanical removal