Withdrawn, Document not available for download
Core Supplement
BS EN
Intended for the measurement of the air permeability of buildings or parts of buildings in the field. Specifies the use of mechanical pressurisation or depressurisation of a building or part of a building. Also describes the measurement of the resulting air flow rates over a range of indoor outdoor static pressure differences. Intended for the measurement of the air leakage of building envelopes of single-zone buildings.
Superseded by BS EN ISO 9972:2015.
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