Standard Specification for Expandable Foam Adhesives for Fastening Gypsum Wallboard to Wood Framing

ABSTRACT
This specification establishes minimum performance requirements for determining strength, aging, and working properties of expandable foam adhesives intended for bonding back surfaces of gypsum wallboards of all thicknesses to wood framing. Minimum physical and performance requirements are specified for all measured properties of adhesives and adhesive bonds. Shear strength, tensile strength, adhesive open assembly time determination, substrate wet-out by adhesive, accelerated adhesive aging, freeze-thaw stability, suitability of a laminating adhesive for vinyl-covered wallboard, suitability for stain resistance for vinyl-covered wallboard, and gap filling tests shall be performed to conform to the specified requirements.
SCOPE
1.1 This specification establishes minimum performance requirements for determining strength, aging, and working properties of expandable foam adhesives intended for bonding back surfaces of gypsum wallboards of all thicknesses to wood framing. Minimum physical and performance requirements are specified for all measured properties of adhesives and adhesive bonds.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.
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.

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Publication Date
09-Aug-2003
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ASTM D6464-03ae1 - Standard Specification for Expandable Foam Adhesives for Fastening Gypsum Wallboard to Wood Framing
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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.
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Designation: D6464 – 03a
Standard Specification for
Expandable Foam Adhesives for Fastening Gypsum
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Wallboard to Wood Framing
This standard is issued under the fixed designation D6464; 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.
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´ NOTE—Editorial changes were made throughout in May 2006.
1. Scope* 3. Terminology
1.1 This specification establishes minimum performance 3.1 Definitions—Many terms in this specification are de-
requirements for determining strength, aging, and working fined in Terminology D907.
properties of expandable foam adhesives intended for bonding 3.2 Definitions of Terms Specific to This Standard:
back surfaces of gypsum wallboards of all thicknesses to wood 3.2.1 expandable foam adhesive, n—any polymer that ex-
framing. Minimum physical and performance requirements are pands during delivery or cure to fill the space between
specified for all measured properties of adhesives and adhesive substrates.
bonds.
4. Significance and Use
1.2 The values stated in inch-pound units are to be regarded
as the standard. The SI units given in parentheses are for 4.1 This specification applies to expandable foam adhesives
used to bond the back surface of gypsum wallboard to
information only.
1.3 This standard does not purport to address all of the Douglas-fir dimensional lumber or other lumber species of
equivalent bonding qualities capable of meeting the test
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- requirements.
4.2 The specification establishes the minimum strength
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. requirements of the bond for the selected assembly materials.
4.3 The adhesive is not considered a substitute for mechani-
2. Referenced Documents
cal fasteners. Fasteners will be required to restrict expansion of
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2.1 ASTM Standards: the foam adhesive while it cures. The recommended fastening
C1396/C1396M Specification for Gypsum Board schedulemustappearinthemanufacturer’sapplicationinstruc-
D905 Test Method for Strength Properties of Adhesive tions.
Bonds in Shear by Compression Loading 4.4 The tests are suitable for product performance certifica-
D907 Terminology of Adhesives tion and quality control programs, and can be useful to the
E4 Practices for Force Verification of Testing Machines general public, adhesive manufacturers, distributors, specifiers,
E177 Practice for Use of the Terms Precision and Bias in architects,contractors,testinglaboratoriesandotherbusinesses
ASTM Test Methods and professionals.
4.5 The results do not include all possible conditions, which
may occur during final assembly, but indicate a set of perfor-
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This specification is under the jurisdiction of ASTM Committee D14 on
mance characteristics for laboratory controlled bonding vari-
Adhesives and is the direct responsibility of Subcommittee D14.70 on Construction
ables.
Adhesives.
Current edition approved Aug. 10, 2003. Published September 2003. Originally
approved in 1999. Last previous edition approved in 2003 as D6464 - 03. DOI:
5. Adhesive Physical Property Requirements
10.1520/D6464-03AE01.
2 5.1 Open Assembly Time—These adhesives have a distinct
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM open assembly time and this time must be agreed upon by the
Standards volume information, refer to the standard’s Document Summary page on
user and the manufacturer.
the ASTM website.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D6464 – 03a
5.2 Storage Life—The adhesive shall remain serviceable
and meet all the requirements of this specification for not less
than six months after delivery, when stored in original un-
opened containers at temperatures ranging from 40 to 85°F
(4 to 30°C).
6. Adhesive Properties and Performance
6.1 The adhesives shall conform to the requirements sum-
marized in Table 1.
7. Materials and Apparatus for Conducting Tests
7.1 Adhesives—The adhesive shall be an expandable foam
adhesive.
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7.2 Gypsum Wallboard— ⁄2 in. (12.7 mm) thick, complying
with Specification C1396/C1396M; the dimensions are speci-
fied in each test.
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7.3 Plywood— ⁄4 or ⁄32 in. (19.0 or 18.3 mm)-thick U.S.
Product Standard PS-1-95 grade marked stamped, commercial
FIG. 1 Tensile Strength
...

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