Rigid Mineral Wool
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Types and Durability
Description
Rigid mineral wool |
Expected Lifespan
(Years) |
Adjustment Factors |
Glass fibre
Specification to ASTM 726: 2000 and as preformed insulation to ASTM E 936: 1998 |
35+ | In inverted roof system or in protected membrane system: -15% years.
Test certificate from approved local testing authority : +15% years. |
Rock fibre
Specification to ASTM 726: 2000 and as preformed insulation to ASTM E 936: 1998 |
35+ | |
Unclassified, i.e. density/ compressibility/ duty not specified or notdesigned for proposed use | < 10 | None |