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ASTM D6947/D6947M-07(2013)e1

(Specification)

Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System

Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System

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 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.  
1.4 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.

General Information

Status
Historical
Publication Date
30-Apr-2013
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.06 - Spray Polyurethane Foam Roof Systems
Current Stage
Ref Project

Relations

Replaces
ASTM D6947-07(2013) - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
Effective Date
01-May-2013
Referred By
ASTM E2785-14(2022) - Standard Test Method for Exposure of Firestop Materials to Severe Environmental Conditions
Effective Date
01-May-2013

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ASTM D6947/D6947M-07(2013)e1 - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing SystemASTM D6947/D6947M-07(2013)e1 - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
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ASTM D6947/D6947M-07(2013)e1 - Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
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Standards Content (Sample)


NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
´1
Designation:D6947/D6947M −07(Reapproved 2013)
Standard Specification for
Liquid Applied Moisture Cured Polyurethane Coating Used
in Spray Polyurethane Foam Roofing System
This standard is issued under the fixed designation D6947/D6947M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
ε NOTE—Units information was editorially corrected in July 2013.
1. Scope D562Test Method for Consistency of Paints Measuring
KrebsUnit(KU)ViscosityUsingaStormer-TypeViscom-
1.1 This specification covers a single component, moisture
eter
cured, elastomeric urethane polymer coating used as a protec-
D624Test Method for Tear Strength of Conventional Vul-
tive coating for spray polyurethane foam roofing systems.
canized Rubber and Thermoplastic Elastomers
1.2 This specification does not provide guidance for appli-
D903Test Method for Peel or Stripping Strength of Adhe-
cation.
sive Bonds
1.3 The values stated in either SI units or inch-pound units
D1079Terminology Relating to Roofing and Waterproofing
are to be regarded separately as standard. The values stated in
D1644Test Methods for Nonvolatile Content of Varnishes
each system may not be exact equivalents; therefore, each
D1653Test Methods for Water Vapor Transmission of Or-
system shall be used independently of the other. Combining
ganic Coating Films
values from the two systems may result in non-conformance
D2196Test Methods for Rheological Properties of Non-
with the standard.
Newtonian Materials by Rotational (Brookfield type)
Viscometer
1.4 The following precautionary caveat pertains only to the
D2697Test Method for Volume Nonvolatile Matter in Clear
test method portions, Sections 5 and 6.
or Pigmented Coatings
1.5 This standard does not purport to address all of the
D2370Test Method for Tensile Properties of Organic Coat-
safety concerns, if any, associated with its use. It is the
ings
responsibility of the user of this standard to establish appro-
D4798Practice for Accelerated Weathering Test Conditions
priate safety and health practices and determine the applica-
and Procedures for Bituminous Materials (Xenon-Arc
bility of regulatory requirements prior to use.
Method)
G21Practice for Determining Resistance of Synthetic Poly-
2. Referenced Documents
meric Materials to Fungi
2.1 ASTM Standards:
D16TerminologyforPaint,RelatedCoatings,Materials,and
3. Terminology
Applications
D412TestMethodsforVulcanizedRubberandThermoplas- 3.1 Fordefinitionsoftermsspecifictothisstandard,referto
tic Elastomers—Tension
Terminologies D16 and D1079.
D471Test Method for Rubber Property—Effect of Liquids
D522Test Methods for Mandrel Bend Test of Attached
4. Materials and Manufacture
Organic Coatings
4.1 Composition—Theproduct,asmanufactured,shallbein
liquid form for application to spray polyurethane foam (SPF)
surfaces by brushing, rolling, or spraying.The product shall be
This specification is under the jurisdiction of ASTM Committee D08 on
composed of a solvent-borne moisture curing urethane elasto-
Roofing andWaterproofing and is the direct responsibility of Subcommittee D08.06
meric polymer, to which various pigments or other additives
on Spray Polyurethane Foam Roof Systems.
CurrenteditionapprovedJuly1,2013.PublishedJuly2013.Originallyapproved
have been added to give the required physical properties.
in 2006. Last previous edition approved in 2013 as D6947 – 07 (2013). DOI:
10.1520/D6947-07R13E01.
4.2 Physical Properties—Although the product is supplied
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
as a liquid, its performance is based on the functional proper-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
ties of the dried material in film form. The coating is formed
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. into a film fully adhered to the substrate surface.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
´1
D6947/D6947M−07 (2013)
TABLE 2 Film Physical Property Requirements for Polyurethane
5. Physical Properties
Moisture Cured Coating for Use on Sprayed Polyurethane Foam
5.1 The liquid coating shall comply with physical property
Physical
ASTM Requirement
requirements in Table 1.
Property
Initial Percent Elongation D2370 Minimum 350 %
5.2 The film shall comply with physical property require-
(break)
ments in Table 2.
Initial Tensile Strength D2370 Minimum 4.14 MPa [600
(maximum stress) psi]
Final Percent Elongation D412 Minimum 350 %
6. Sample and Test Methods
(break) after accelerated
6.1 Viscosity (Test Methods D2196)—Brookfield LVT Vis- weathering after 1000 h
Permeance D1653 Maximum Permeance
cometer #4 Spindle, 6 RPM.
Procedure B 57 ng/(m ·s·Pa)
[1 grain/[ft ·h·in.-
6.2 Specimen Preparation (Dry Time)—Films are prepared
Hg]]
byapplyingtwocoats,withaminimumofan8-hdryingperiod
Water Absorption (Mass) D471 Maximum 3 %
betweencoats,toanFEBsheetsubstratetogiveatotaldryfilm
Accelerated W
...

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Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System

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SIGNIFICANCE AND USE
4.1 The sampling and inspection prescribed in this practice afford the purchaser a practical level of quality assurance on incoming material. They are based on cost/risk relationships considered typical for preformed thermal insulations offered for general use. In all cases, the purchaser should review this practice and determine its suitability in terms of his specific needs.  
4.2 This procedure is intended primarily for the inspection of a continuing stream of lots, and there is not a high probability of rejecting occasional off lots. Consumer protection is based on economic pressure on the producer, through greater risk of lot rejection, to maintain the process average at 90 % conformance or better. Operating characteristic curves for the sampling plans employed can be found in Practice E2234, Table X-C through Table X-F.  
4.3 It is not the intent of this procedure to estimate lot quality, control the quality of production, relieve the supplier of responsibility for the quality of material offered, or determine the disposition of material found to be defective after receipt by the purchaser.
SCOPE
1.1 This practice covers criteria for establishing the acceptability of lots of shipments of preformed board, preformed block and pipe, and batts and blanket thermal insulation based on sampling and inspection.  
1.2 This practice is intended for use in conjunction with appropriate ASTM material specifications that classify and describe the specific physical requirements for the product in terms of qualification requirements and inspection requirements. Determination of nonconformity shall be based on the tolerances for individual sample test values prescribed in the material specification.  
1.3 This practice may require inspection substantially different from that performed in the normal course of production. If the purchaser requires sampling and acceptance inspection in accordance with this practice, he shall so specify in the order or contract.  
1.4 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.  
1.5 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.

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