M00018899
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ISO FDIS 9972 2015 Edition, March 19, 2015 THERMAL PERFORMANCE OF BUILDINGS - DETERMINATION OF AIR PERMEABILITY OF BUILDINGS - FAN PRESSURIZATION METHOD
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Availability date: 07/14/2021
Description / Abstract:
This International Standard is intended for the measurement of
the air permeability of buildings or parts of buildings in the
field. It specifies the use of mechanical pressurization or
depressurization of a building or part of a building. It describes
the measurement of the resulting air flow rates over a range of
indoor-outdoor static pressure differences.
This International Standard is intended for the measurement of
the air leakage of building envelopes of single-zone buildings. For
the purpose of this International Standard, many multi-zone
buildings can be treated as single-zone buildings by opening
interior doors or by inducing equal pressures in adjacent
zones.
International Standard does not address evaluation of air
permeability of individual components.