ASTM WK23911

    New Practice for Assessing the Airtightness of Joints Between Air-tight Assemblies

    (What is a Work Item?)

    Developed by Subcommittee: E06.41 | Committee E06 | Contact Staff Manager


    1. Scope

    1.1 This practice is to determine the air permeance rating of joints between air tight assemblies, which are used as part of a total air barrier system in a building. 1.2 This practice is intended to determine the air barrier property/air leakage rate of the joints, junctions, overlaps, or interfaces between similar or dissimilar assemblies. This method provides a procedure for preparing the test assembly and further describes the application of products prior to conducting ASTM E 283. 1.3 This practice allows testing laboratories to accurately quantify the air leakage rate of specific sealing, taping or filling products using ASTM E 283 and reporting the data in L/(sm2) according to ASTM E 29. 1.4 This practice is used in conjunction with ASTM E 283. Although ASTM E 283 is a laboratory test method used with fenestration products, individuals interested in performing field air leakage tests on installed units should reference ASTM E 783. 1.5 There are no other known practices or test methods specific for testing the air leakage rate of materials used as joints between air-tight assemblies.

    This is for manufacturers of materials, contractors, qualilty assurance professionals to enable the evaluation of the airtightness performance of construction joints and junctions within the air barrier system.


    air leakage; substrates; joints junctions; laboratory method; static pressure; chamber;

    The title and scope are in draft form and are under development within this ASTM Committee.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    Kevin Knight

    Draft Under Development