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ASTM D7636/D7636M-11(2024)

Current Reaffirmation

Standard Practice for Sampling and Analysis of Modified Bitumen Roof Systems

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1.1 This practice is for removing specimens from existing modified bitumen roof membranes for visual assessment and evaluation for abnormalities in the membrane. The roof membrane consists of one or more plies/sheet materials in which at least one ply is a modified bitumen (MB) sheet, and which is installed with one or more of the following methods: hot asphalt, heat welding (open flame torching or heated air), cold adhesive, or self-adhesive. The roof membrane may consist of one or more plies of the following:

1.1.1 SBS (styrene-butadiene-styrene), APP (attactic polypropylene), or other polymer-modified bitumen sheet materials.

1.1.2 An exposed modified bitumen sheet material, that is, a modified cap sheet, covering multiple layers of built-up roofing (BUR) plies.

1.1.3 Any adhesive or bitumen component used to install the roof membrane.

1.2 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 nonconformance with the standard.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


6.1 This practice is for removing specimens from existing modified bitumen roof membranes for visual assessment and evaluation for abnormalities in the membrane.

6.2 This practice is not intended for roofs under construction.

SDO ASTM: ASTM International
Document Number D7636
Publication Date Nov. 1, 2024
Language en - English
Page Count 2
Revision Level 11(2024)
Supercedes
Committee D08.20
Publish Date Document Id Type View
July 1, 2011 D7636_D7636M-11 Revision
Nov. 1, 2024 D7636_D7636M-11R24 Reaffirmation
July 1, 2019 D7636_D7636M-11R19 Reaffirmation