Urethane Foam
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Types and Durability
| Description
Urethane Foam |
Expected Lifespan
(Years) |
Adjustment Factors |
| Closed cell rigid urethane foam boards with laminated facing bonded to both sides. Designed for proposed use | 35+ | Test certificate from approved local testing authority : +5 years |
| Closed cell rigid urethane foam boards with foil/ kraft/ foil laminated facing on both sides. Designed for proposed use | 35 | |
| Urethane Foam not specified as above and/ or not designed for proposed use | < 10 | None |
Note: Installation to BS 5803 Part 3
For more details, refer to Roof Insulation Requirement