
Sikaflex 291i Marine Adhesive Sealant 70ml
Sikaflex 291i Marine Adhesive Sealant 70ml provides strong bonding and excellent weather resistance, ideal for marine applications. Perfect for sealing and bonding in boats, it remains flexible and durable in harsh marine environments.
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Sikaflex 291i Marine Adhesive Sealant 70ml
70ml / Black
Marine Chandlery: North Shields
Unit G4 Narvik Way
Tyne Tunnel Trading Estate
North Shields NE29 7XJ
United Kingdom

Sikaflex 291i Marine Adhesive Sealant 70ml provides strong bonding and excellent weather resistance, ideal for marine applications. Perfect for sealing and bonding in boats, it remains flexible and durable in harsh marine environments.
Sikaflex 291i Marine Adhesive Sealant 70ml provides strong bonding and excellent weather resistance, ideal for marine applications. Perfect for sealing and bonding in boats, it remains flexible and durable in harsh marine environments.
Description
Sikaflex 291i Marine Adhesive Sealant, available in a convenient 70ml tube, is a high-performance formulation designed specifically for the marine industry. This polymer-based adhesive sealant provides exceptional durability and flexibility, making it ideal for a variety of applications in both boatbuilding and repair. Notably, Sikaflex 291i cures rapidly and exhibits excellent adhesion to a wide range of substrates, including fiberglass, metals, wood, and many plastics. This feature ensures reliable bonding for components like hatches, portholes, and deck fittings, significantly enhancing the longevity of marine structures. The sealant is also resistant to harsh marine environments, including UV exposure, water immersion, and temperature fluctuations, ensuring that your repairs and installations remain intact over time. With a non-sagging consistency, Sikaflex 291i allows for easy application in vertical and overhead joints. It is suitable for both bonding and sealing applications, providing a watertight seal that prevents leaks and moisture ingress. Additionally, this product adheres to industry standards, ensuring that marine users can trust its performance in critical situations. Sikaflex 291i is compatible with various finishing products and can be overpainted once fully cured, which adds versatility to your marine projects. Its overall ease of use and high-quality formulation make it an essential product for boat owners, marine technicians, and DIY enthusiasts seeking a reliable solution for their marine adhesive and sealing needs.
Specification
| Product Name | Sikaflex 291i Marine Adhesive Sealant |
| Volume | 70 ml |
| Type | Polyurethane sealant |
| Color | Black |
| Density | 1.5 g/cm³ |
| Skin Time | Approximately 60 minutes |
| Curing Rate | 1 mm/24 hours |
| Maximum Joint Movement | 25% |
| Temperature Resistance | -40°C to +90°C |
| Elastic Modulus | 0.5 N/mm² |
| Stability | Good UV and weather resistance |
| Paintable | Yes |
| Certifications | ISO 9001, ISO 14001, IAPMO |
Delivery information
Standard delivery: 3-5 working days
Express delivery: 1-2 working days
Free delivery on orders over £100








