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ASTM C1263-95(2005)e1

Current Revision

Standard Test Method for Thermal Integrity of Flexible Water Vapor Retarders

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1.1 This test method covers the visual determination of the thermal integrity of flexible water vapor retarders for those materials classified under Specification C1136, including plastic, foil, or paper and composites of two or more of these materials to temperatures listed in the specification or purchase contract. The vapor retarders are intended for use at temperatures of 20 to 150°F (29 to 66°C). This test method does not cover mastics or barrier coatings applied in liquid form or materials intended for use as weather barriers.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 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.

In many applications, the vapor retarders used on a thermal insulation will be exposed to the temperatures listed in 7.2. Cracking or delamination of the retarder under these conditions would, in most cases, cause it to lose its effectiveness as a vapor retarder material.

SDO ASTM: ASTM International
Document Number C1263
Publication Date Nov. 1, 2005
Language en - English
Page Count 2
Revision Level 95(2005)e1
Supercedes
Committee C16.33
Publish Date Document Id Type View
Nov. 1, 2005 C1263-95R05E01 Revision
Jan. 1, 2000 C1263-95 Revision
March 1, 2021 C1263-95R21 Reaffirmation
Aug. 1, 2015 C1263-95R15 Reaffirmation
Nov. 1, 2010 C1263-95R10 Reaffirmation
Nov. 1, 2005 C1263-95R05 Reaffirmation
Jan. 1, 2000 C1263-95R00 Reaffirmation