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ASTM D6694-07

(Specification)

Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing

Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing

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 SI units are used throughout this document. Inch-pound units are in parentheses.
1.5 This standard may involve hazardous materials, operations, and equipment. 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-2007
ICS
83.100 - Cellular materials
91.060.20 - Roofs
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.06 - Spray Polyurethane Foam Roof Systems
Current Stage
Ref Project

Relations

Replaces
ASTM D6694-01 - Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing
Effective Date
01-May-2007
Replaced By
ASTM D6694-08 - Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing Systems
Effective Date
01-Mar-2008

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ASTM D6694-07 - Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam RoofingASTM D6694-07 - Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing
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ASTM D6694-07 - Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation: D 6694 – 07
Standard Specification for
Liquid-Applied Silicone Coating Used in Spray Polyurethane
1
Foam Roofing
This standard is issued under the fixed designation D 6694; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope D 1079 Terminology Relating to Roofing and Waterproof-
ing
1.1 This specification covers a liquid-applied solvent dis-
D 1644 Test Methods for Nonvolatile Content of Varnishes
persed elastomeric coating used as a roofing membrane for
D 2196 Test Methods for Rheological Properties of Non-
spray polyurethane foam (SPF) insulation whose principal
Newtonian Materials by Rotational (Brookfield type) Vis-
polymer in the dispersion contains more than 95 % silicone.
cometer
1.2 This specification does not provide guidance for appli-
D 2370 Test Method for Tensile Properties of Organic
cation.
Coatings
1.3 The following precautionary caveat pertains only to the
D 2697 Test Method for Volume Nonvolatile Matter in
test method portions, Sections 5 and 6.
Clear or Pigmented Coatings
1.4 SI units are used throughout this document. Inch-pound
E 96/E 96M Test Methods for Water Vapor Transmission of
units are in parentheses.
Materials
1.5 This standard may involve hazardous materials, opera-
G 151 Practice for Exposing Nonmetallic Materials in Ac-
tions, and equipment. This standard does not purport to
celerated Test Devices that Use Laboratory Light Sources
address all of the safety concerns, if any, associated with its
G 154 Practice for Operating Fluorescent Light Apparatus
use. It is the responsibility of the user of this standard to
for UV Exposure of Nonmetallic Materials
establish appropriate safety and health practices and deter-
mine the applicability of regulatory requirements prior to use.
3. Terminology
2. Referenced Documents 3.1 Definitions in Terminologies D16 and D 1079 shall
2
apply to this specification.
2.1 ASTM Standards:
C 794 Test Method for Adhesion-in-Peel of Elastomeric
4. Materials and Manufacture
Joint Sealants
4.1 Composition—Theproduct,asmanufactured,shallbein
D16 Terminology for Paint, Related Coatings, Materials,
liquid form for application to SPF surfaces by brushing,
and Applications
squeegeeing, rolling, or spraying. The product shall be com-
D 412 Test Methods for Vulcanized Rubber and Thermo-
posed of dispersion containing as the principal polymer more
plastic Elastomers—Tension
than 95 % silicone polymers to which various pigments and
D 522 Test Methods for Mandrel Bend Test of Attached
other additives have been added to give the required physical
Organic Coatings
properties.
D 624 Test Method for Tear Strength of Conventional
Vulcanized Rubber and Thermoplastic Elastomers
5. Liquid and Physical Properties
D 903 Test Method for Peel or Stripping Strength of Adhe-
5.1 Although the product is supplied as a liquid, its perfor-
sive Bonds
mance is based on the functional properties of the cured
material in film form. The coating is formed into a film fully
adhered to the substrate.
1
This specification is under the jurisdiction of ASTM Committee D08 on
5.2 Liquid Property Requirements—The liquid coating shall
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.06
comply with the property requirements in Table 1.
on Spray Polyurethane Foam Roof Systems.
5.3 Cured Film Physical Property Requirements:
Current edition approved May 1, 2007. Published May 2007. Originally
approved in 2001. Last previous edition approved in 2001 as D 6694 – 01.
5.3.1 Specimen Preparation (Dry Time) (Table 2)—Films
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
are prepared by applying two coats, with a minimum of an 8-h
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
drying period between coats, to a polyethylene sheet substrate
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. (from Test Method D 2370, 8.2.2) to give a total dry film
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D6694–07
TABLE 1 Liquid Property Requirements
6.4 Permeance Method (Test Method E 96, Procedure
Physical Properties ASTM Standard Requirements B)—A 0.5-mm (20 mils) 6 10 % film shall be used.
6.4.1 Test conditions: 23 6 2°C (73.4 6 3.6°F)
Viscosity D 2196 3500 to 50 000 CPS
Volume solids D 2697 57 % min
6.4.2 Test is run in the inverted position with water in
Weight solids D 1644 As listed by manufacturer
contact with the film.
6.4.3 Value is reported in
...

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