ASTM-D7311 › Standard Specification for Liquid-Applied, Single-Pack, Moisture-Triggered, Aliphatic Polyurethane Roofing Membrane (Withdrawn 2013)
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This specification covers in-situ applied, single-pack, moisture-triggered, aliphatic polyurethanes intended to form an elastomeric single-ply roofing membrane, once cured. The cured membrane may or may not contain a reinforcing material. The product, as manufactured, shall be in liquid form for application by brush, roller, or spray equipment. In-place roof system design criteria such as fire resistance, material compatibility, and uplift resistance, among others, are beyond the scope of this specification. Wet coatings shall be tested and shall conform to liquid property requirements as to viscosity, volume and weight of solids, and sag resistance. Dry films shall also be tested and conform to physical property requirements, as follows: tensile strength; elongation; accelerated weathering; water vapor transmission permeability and permeance; mandrel bend flexibility; tear resistance; Taber abrasion resistance; indentation hardness; dynamic and static puncture resistance; and adhesion bond strength.
Scope
1.1 This specification covers in-situ applied, single-pack, moisture-triggered, aliphatic polyurethanes intended to form an elastomeric single-ply membrane, once cured. The cured membrane may or may not contain a reinforcing material.
1.2 Single-pack, moisture-triggered, aliphatic polyurethanes are characterized by their ability to use moisture to trigger the curing process only.
1.3 The tests and property limits used to characterize the liquid material and cured membrane are values intended to ensure minimum quality. In-place roof system design criteria such as fire resistance, material compatibility, and uplift resistance, among others, are factors that shall be considered but are beyond the scope of this specification.
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 non-conformance 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 and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
aliphatic polyurethane ; elastomeric polyurethane; moisture trigger polyurethane; roof waterproofing ; single-pack; Elastomeric roofing membranes; Roofing membranes--specifications; ICS Number Code 91.100.50 (Binders. Sealing materials)
To find similar documents by ASTM Volume:
04.04 (Roofing and Waterproofing)
To find similar documents by classification:
91.100.50 (Binders. Sealing materials Including geomembranes, asphalts for buildings, etc.)
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Document Number
ASTM-D7311/D7311M-10
Revision Level
2010 EDITION
Status
Cancelled
Modification Type
Withdrawn
Publication Date
Aug. 1, 2010
Document Type
Specification
Page Count
3 pages
Committee Number
D08.18