Sikaflex-291i Marine Adhesive Sealant – Waterproof Polyurethane-Based Sealant for Boats, Yachts & Marine Repairs – UV Resistant, Paintable, Non-Corrosive, Low VOC – 300ml Black

Description

Sikaflex-291i is a professional-grade marine adhesive and sealant formulated for use in demanding maritime environments. Engineered with a 1-component, polyurethane-based, moisture-curing system, this sealant delivers superior flexibility, adhesion, and weather resistance, making it ideal for sealing and bonding applications on boats, yachts, and marine structures.

The product offers excellent elasticity and a strong watertight bond even on dynamic surfaces exposed to vibration and movement. It adheres effortlessly to common marine substrates such as metals, wood, plastics, GRP, and painted surfaces. Designed with a non-sagging, low-odour, solvent-free formulation, Sikaflex-291i is also Wheelmark approved, ensuring compliance with international maritime safety standards. Whether you’re sealing hatches, repairing hulls, or finishing interior installations, Sikaflex-291i provides professional-grade results you can rely on.

• ⚓ Marine-Grade Adhesive Sealant – Specially formulated for boats, yachts, and other marine applications requiring durable, elastic sealing.

• ???? Strong & Flexible Bonding – Accommodates vibration and structural movement without cracking or losing adhesion.

• ???? Watertight & UV Resistant – Provides a long-lasting seal even in harsh saltwater, sun, and weather conditions.

• ????️ Paintable & Non-Corrosive – Can be painted after curing and is safe for use on metal surfaces without causing corrosion.

• ???? Low VOC & Solvent-Free – Safer for indoor applications and better for the environment with minimal odour.

• ✅ Wheelmark Certified – Complies with EN ISO 11600 and maritime safety standards for professional marine use.