Curtain walling. Air permeability. Performance requirements and classification included-in-kit BS EN 1295-1 provides the

BS EN 1295-1 provides the requirements for the structural design of pipelines and gives the basic principles of the nationally established methods of design

Requirements for a method to test isothermal performance are given in Annex D

at atmospheric pressure or at other

— introduced into the system after system failure

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Curtain walling. Air permeability. Performance requirements and classification included-in-kit BS EN 1295-1 provides the1 Scope This European Standard specifies requirements and classification of air permeability of both fixed and openable parts of curtain walling, under positive and negative static air pressure. NOTE This European Standard applies to curtain walling as specified in prEN 13830.