Sikaflex®-290 DC PRO Marine Deck Caulking Sealant – 600ml Black UV-Resistant Moisture-Curing Polyurethane Adhesive for Boat & Yacht Timber Decks Sandable Durable Waterproof

Description

Sikaflex®-290 DC PRO Black – 600 ml is a premium, professional-grade 1-component polyurethane sealant specially formulated for caulking joints in traditional timber marine decks. This UV-resistant, moisture-curing sealant provides excellent weatherability and superior durability even under extreme marine conditions.

Whether you’re sealing the seams of a wooden yacht deck or maintaining commercial vessel exteriors, Sikaflex®-290 DC PRO ensures a long-lasting bond that withstands seawater, sun, and harsh marine environments. Once cured, it forms a tough yet flexible elastomer that is easy to sand and finish.

Perfect for professional boatbuilders and marine maintenance crews, this sealant combines superior adhesion, high elasticity (600% elongation), and resistance to saltwater and mild cleaning agents – making it the ideal solution for external wood decking.

• ✅ Marine-Grade Performance – Specifically designed for caulking timber deck joints on boats, yachts, and ships; ideal for exterior marine environments.

• ✅ UV & Weather Resistant – Offers outstanding resistance to UV rays, saltwater, and fresh water, ensuring long-term performance and stability.

• ✅ Flexible & Sandable – Cures into a tough, elastic rubber that allows easy sanding and precise finishing after application.

• ✅ High Elongation & Strength – Elongation at break up to 600%, tensile strength of 3 MPa, Shore A hardness of 40 for durable, crack-resistant seals.

• ✅ Easy Application & Tooling – Smooth flow behavior for seamless seams, with a skin time of 90 minutes for ample working time.

• ✅ Professional-Grade Sealant – Ideal for marine professionals; compatible with primers like Sika® Primer-290 DC for enhanced adhesion on wood