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Bostik PU91 is a high-performance construction polyurethane sealant designed for various applications. This versatile sealant provides excellent adhesion to multiple surfaces, including wood, metal, and concrete. Ideal for both interior and exterior use, Bostik PU91 offers outstanding durability and flexibility, ensuring long-lasting results. Its grey colour blends seamlessly with many materials, making it suitable for a range of projects. Whether sealing joints or gaps, this sealant is easy to apply and cures quickly. Choose Bostik PU91 for reliable performance in your construction needs.
| Type | Polyurethane Sealant |
| Colour | Grey |
| Size | 300 milliliters |
| Recommended Application | Construction (Windows, doors) |
| Curing Time | Standard curing time |
| Paintable | Yes |
| Waterproof | Yes |
| Mold & Mildew Resistant | Yes |
| Indoor/Outdoor Use | Both indoor and outdoor use |
| UV Resistance | Yes |
| Flexibility | High flexibility |
| Adhesion | Adheres to a wide range of substrates including aluminium, glass, stainless steel, wood, masonry, brick, concrete. |