Description
Sika Sikaflex®-291 Fast Cure is a black, 10.3 oz (300 ml) cartridge of marine-grade polyurethane adhesive and sealant. It’s designed for boat builders and marine enthusiasts who need fast-curing, durable, flexible bonds.
- Cartridge Size: 10.3 oz (300 ml)
- Color: Black
- Type: 1-component polyurethane elastomeric adhesive and sealant
- Applications: General all-purpose marine adhesive and sealant; light-duty bonding; gun-applied or brushed into place
- Substrate Bonding: Bonds to gelcoat, fiberglass, metal and wood
- Performance: Fast cure time that rapidly develops strength for bonding and sealing
- Marine Versatility: Suitable above and below the waterline with excellent resistance to salt water
- Finishability: Paintable and sandable to match surrounding surfaces
- Safety & Approvals: NSF approved for potable water (black and white only); USDA approved for incidental food contact
- Prop 65: Warning: This product can expose you to chemicals known to the State of California to cause cancer, birth defects or other reproductive harm
This adhesive and sealant speeds up marine projects with its fast-curing formula while delivering durable, flexible bonds across gelcoat, fiberglass, metal, and wood. You can apply it by gun or brush, and it is paintable and sandable to blend with surrounding surfaces. Its marine-grade versatility means it performs above and below the waterline and stands up to salt water, making it suitable for hull seams, deck joints, hardware bedding, and fillets. The NSF potable water approval (black/white) and USDA incidental food contact certification provide added peace of mind for installations near water systems or food-contact surfaces.
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