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Last Updated: Jan 09, 2026
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ASTM D6694/D6694M-15(2023)
Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing Systems
Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing Systems
D6694_D6694M-15R23
ASTM|D6694_D6694M-15R23|en-US
Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing Systems
Standard
D6694/D6694M Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing Systems>
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BOS Vol. 04.04 Committee D08
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ASTM International
Abstract
This specification covers a liquid-applied solvent dispersed elastomeric coating used as a roofing membrane for spray polyurethane foam (SPF) insulation whose principal polymer in the dispersion contains more than 95 % silicone. The product, as manufactured, shall be in liquid form for application to SPF surfaces by brushing, squeegeeing, rolling, or spraying. The product shall be composed of dispersion containing as the principal polymer more than 95 % silicone polymers to which various pigments and other additives have been added to give the required physical properties. Liquid properties like viscosity, volume solids, and weight solids shall be determined after conducting different tests. Physical properties of cured silicone coating like elongation, tensile strength, permeance, accelerated weathering, adhesion, tear resistance, and low-temperature flexibility shall be determined after a series of tests.
Scope
1.1 This specification covers a liquid-applied solvent dispersed elastomeric coating used as a roofing membrane for spray polyurethane foam (SPF) insulation whose principal polymer in the dispersion contains more than 95 % silicone.
1.2 This specification does not provide guidance for application.
1.3 The following precautionary caveat pertains only to the test method portions, Sections 5 and 6.
1.4 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.
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 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.