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Description of 21/30434756 DC 2021This document specifies the procedure for classification of the resistance to fire performance of construction products and building elements used as components of building service installations, using data from fire resistance tests which are within the direct field of application of the relevant test method. Classification on the basis of extended application of test results is also included in the scope of this document. Products/elements for use in ventilation systems include (excluding smoke and heat exhaust ventilation): — fire resisting ducts; — fire dampers. Products /elements for use in/as cables systems: — intrinsic fire resistant cables/unprotected cables; — fire protective systems for cable systems; — supporting /suspension devices; — associated components (connectors, glands, junctions, etc.) Relevant test methods which have been prepared for these products/elements are listed in Clause 2.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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