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ISO 14857:2014

Thermal performance in the built environment — Determination of air permeance of building materials

Feb 10, 2014

General information

90.93     Jun 11, 2025

ISO

ISO/TC 163/SC 1

International Standard

91.120.10  

English  

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Scope

ISO 14857:2014 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.

Life cycle

NOW

PUBLISHED
ISO 14857:2014
90.93 Standard confirmed
Jun 11, 2025