M00017266
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ISO FDIS 14857 2013 Edition, October 31, 2013 THERMAL PERFORMANCE IN THE BUILT ENVIRONMENT - DETERMINATION OF AIR PERMEANCE OF BUILDING MATERIALS
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Availability date: 07/14/2021
Description / Abstract:
This International Standard specifies the equipment and
procedures to determine the air permeance of building materials at
various pressure differentials and then assigning an air permeance
rate at a reference pressure differential rate (ΔP) of 75 Pa.
This method is intended for testing materials independent of a
substrate using a 1 m × 1 m specimen size. The results of this test
method can be used to determine whether a material qualifies to
function as an air barrier material.