
Sikaflex 291i Marine Adhesive & Sealant 300ml
Sikaflex 291i Marine Adhesive & Sealant 300ml is a versatile, strong sealant designed for bonding and sealing in marine environments. It offers excellent weather resistance, durability, and flexibility, perfect for boats and marine applications.
Out of stock items can be ordered and shipped out within 3-5 working days
We despatch all orders within 24 hours. Orders placed weekdays before 4pm will be shipped the same day.
Call us and speak to an expert on 0191 4297309 - (Mon - Fri / 9am - 5pm).
Pickup available at Marine Chandlery: North Shields
Usually ready in 1 hour

Sikaflex 291i Marine Adhesive & Sealant 300ml
300ml / White
Marine Chandlery: North Shields
Unit G4 Narvik Way
Tyne Tunnel Trading Estate
North Shields NE29 7XJ
United Kingdom

Sikaflex 291i Marine Adhesive & Sealant 300ml is a versatile, strong sealant designed for bonding and sealing in marine environments. It offers excellent weather resistance, durability, and flexibility, perfect for boats and marine applications.
Sikaflex 291i Marine Adhesive & Sealant 300ml is a versatile, strong sealant designed for bonding and sealing in marine environments. It offers excellent weather resistance, durability, and flexibility, perfect for boats and marine applications.
Description
Sikaflex 291i Marine Adhesive & Sealant is a high-performance, multi-purpose product specifically designed for the marine industry. Offered in a convenient 300ml cartridge, this flexible polyurethane adhesive and sealant provides outstanding bonding and sealing capabilities. Its unique formulation ensures excellent adhesion to a variety of substrates, including wood, fiberglass, metal, and plastics, making it an ideal choice for both new builds and repairs in marine applications.
Specification
| Specification | Details |
|---|---|
| Product Name | Sikaflex 291i Marine Adhesive & Sealant |
| Volume | 300 ml |
| Color | Black, White, Grey |
| Chemical Basis | Polyurethane |
| Application Temperature | 5 °C to 40 °C |
| Curing Method | Moisture curing |
| Skin Time | Approx. 30 minutes |
| Cure Rate | Approx. 3 mm/24 hours |
| Shore A Hardness | Approx. 40 |
| Elastic Modulus | Approx. 0.5 N/mm² |
| Tensile Strength | Approx. 2.5 N/mm² |
| Temperature Resistance | -40 °C to +80 °C |
Delivery information
Standard delivery: 3-5 working days
Express delivery: 1-2 working days
Free delivery on orders over £100








