Rigid underlays for discontinuous roofing. Definitions and characteristics Ingestion-build-266356 on the basis of standardized

on the basis of standardized conditions

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the component parts must be specifically manufactured with dimples or projections

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Rigid underlays for discontinuous roofing. Definitions and characteristics Ingestion-build-266356 on the basis of standardizedWhat is BS EN 14964 Rigid underlays for discontinuous roofing about? BS EN 14964 is one of the European standards that discuss rigid underlays for discontinuous roofing. BS EN 14964 specifies the technical requirements for factory made flat or profiled sheets (wood based, fibre cement flat sheets or corrugated bituminous sheets or other materials which can be characterised as one of these materials) that are used as underlays in pitched roof