ASTM-E2178 › Standard Test Method for Determining Air Leakage Rate and Calculation of Air Permeance of Building Materials
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Scope
1.1 This test method is to determine the air permeance of building materials at various pressure differentials with the intent of determining an assigned air permeance rate of the material at the reference pressure difference (ΔP) of 75 Pa.
1.2 The method is intended to assess flexible sheet or rigid panel-type materials using a 1 m X 1 m specimen size.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurements are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
air permeance; air retarder; building materials; buildings; ICS Number Code 91.100.01 (Construction materials)
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91.100.01 (Construction materials in general)
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Document Number
ASTM-E2178-21A
Revision Level
2021A EDITION
Status
Current
Modification Type
New
Publication Date
May 4, 2021
Document Type
Test Method
Page Count
7 pages
Committee Number
E06.41