Rigid underlays for discontinuous roofing. Definitions and characteristicsWhat 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

1 General terms

ISO 787-25 specifies a general test method for comparing the colour

motivations

Why should you use BS EN 943‑1

Local and national bodies

chopped strands

Thermal analysis models

and supplied by a voltage not exceeding 1000 V

Starch products are used in the meats industry for moisture management

maintenance and supplementary testing of cargo handling and container cranes

Products can only be tested at a concentration of 80 % or less (97 % with a modified method for special cases) as some dilution is always produced by adding the test organisms and interfering substance

This allows designers to be more radical with building design by increasing usable space