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Significance and Use
This test method can be useful in understanding the response of low-sloped mechanically attached membrane roofing assemblies to air pressure differences induced across the assembly.
This test method can be useful in understanding the role of different roofing components in providing resistance to air intrusion into the membrane roofing assembly.
When applying the results of tests by this test method, note that the performance of a roof or its components, or both, may be a function of proper installation and adjustment.
This test method subjects the roof specimen to negative static pressures, as it is difficult to simulate the complex environmental conditions that can be encountered in service, including rapidly changing pressures due to wind gusting.
This test method does not purport to establish all criteria necessary for the consideration of air intrusion in the design of a roof assembly. The results are intended to be used for comparison purposes and may not represent the field installed performance of the roof assembly.
1.1 This test method provides a laboratory technique for determining the air intrusion in low-sloped mechanically attached membrane roof assemblies under specified negative air pressures differences.
1.2 This test method is intended to measure only air intrusion associated with the opaque roof assembly free from penetrations such as those associated with mechanical devices, roof junctions, and terminations.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1079 Terminology Relating to Roofing and Waterproofing
E283 Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen
E631 Terminology of Building Constructions
E2357 Test Method for Determining Air Leakage of Air Barrier Assemblies
ICS Number Code 91.100.50 (Binders. Sealing materials)
UNSPSC Code 30151505(Roofing membranes)
ASTM D7586 / D7586M-11, Standard Test Method for Quantification of Air Intrusion in Low-Sloped Mechanically Attached Membrane Roof Assemblies, ASTM International, West Conshohocken, PA, 2011, www.astm.orgBack to Top