ASTM-D6947 › Historical Revision Information
Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
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This specification covers a single component protective roof coating composed of solvent-borne moisture curing urethane elastomeric polymer, to which various pigments or other additives have been added to give the required physical properties. The product, as manufactured, shall be in liquid form for application to spray polyurethane foam (SPF) surfaces by brushing, rolling, or spraying. However, guidance for its application is not addressed here. Coatings shall be tested and conform accordingly to specified liquid property requirements as to viscosity, and volume and weight of solids. Dry films shall also adhere to the following physical property requirements, when tested as appropriate: initial percent elongation at break; initial tensile strength at maximum stress; final percent elongation at break after accelerated weathering; permeance; water absorption; adhesion; fungi resistance; tear resistance; and low temperature flexibility.
Scope
1.1 This specification covers a single component, moisture cured, elastomeric urethane polymer coating used as a protective coating for spray polyurethane foam roofing systems.
1.2 This specification does not provide guidance for application.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 The following precautionary caveat pertains only to the test method portions, Sections 5 and 6.
1.5 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 requirements prior to use.
Keywords
elastomeric coating; moisture cured; polyurethane coating; roof; spray polyurethane foam; ICS Number Code 91.100.60 (Thermal and sound insulating materials)
To find similar documents by ASTM Volume:
04.04 (Roofing and Waterproofing)
To find similar documents by classification:
91.100.60 (Thermal and sound insulating materials)
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Document Number
ASTM-D6947-07
Revision Level
2007 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
May 1, 2007
Document Type
Specification
Page Count
3 pages
Committee Number
D08.06