Cork/Foam Composite

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Cork/Foam Composite

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Types and Durability

Description

Cork/foam composite

Expected Lifespan

(Years)

Adjustment Factors

Compressed cork boards as preformed insulation intended for roof system to ASTM E 936: 1998 with property specification to ISO 2219.

35+

For inverted roof system or in protected membrane system: -15% of no. of years

Test certificate from approved local testing authority : +5% of no. of years

Compressed cork boards as preformed insulation intended for roof system not to ASTM E 936: 1998 or ISO 2219.

< 10

None

Note: Some insulant are not compatible with bituminous materials due to migration or plasticizer separating membrane are necessary to be used to avoid this problem.