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ASTM D5076-90(2006)

Historical Reaffirmation

Standard Test Method for Measuring Voids in Roofing and Waterproofing Membranes

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1.1 This test method includes two procedures for measuring the area of voids in the adhesive between materials used in roofing and waterproofing systems. Both procedures require a count of the number of voids.

1.2 The values given in SI units are to be regarded as the standard. The values in parentheses are for information only.

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.


This laboratory test method can be used on multi-ply roofing and waterproofing systems to measure, classify, and count the voids between felt plies, between insulation layers, and between the membrane and insulation layers. Voids between the felt plies or between the membrane and insulation layer in multi-ply systems can be the seeds for future blisters.

In one-ply systems, this test method can be used to count and measure the voids in the adhesive in laps and, in adhered systems, in the adhesive between the membrane and the insulation. Voids in the lapping adhesive can be the source of leakage while voids in the lapping adhesive or in the adhesive between the membrane and insulation can be the seeds for future blisters.

SDO ASTM: ASTM International
Document Number D5076
Publication Date Dec. 1, 2006
Language en - English
Page Count 2
Revision Level 90(2006)
Supercedes
Committee D08.20
Publish Date Document Id Type View
Jan. 1, 2000 D5076-90R00E01 Revision
Dec. 1, 2006 D5076-90R06 Reaffirmation