Standard Specification for Application and Finishing of Gypsum Board

SCOPE
1.1 This specification covers the minimum requirements for the methods of application and finishing of gypsum board, including related items and accessories.
1.2 Details of construction for a specific assembly to achieve the required fire resistance shall be obtained from reports of fire-resistance tests, engineering evaluations, or listings from recognized fire testing laboratories.
1.2.1 Where this specification is more stringent (size or thickness of framing: size and spacing of fasteners) than the fire-rated construction, this specification shall govern.
1.3 Where sound control is required for a gypsum board assembly, details of construction shall be in accordance with reports of acoustical tests of assemblies that have met the required acoustical values.
1.4 Unheated spaces above gypsum board ceilings shall be properly ventilated (see Appendix X2).
1.5 The various application systems are located in the following sections: I Application of Single-Ply Gypsum Board to Wood Framing Members 8II Application of Two-Ply Gypsum Board to Wood Framing Members9III Application of Gypsum Board by Adhesive Nail-On to Wood Framing Members10IV Semi-Solid Gypsum Board Partitions11V Solid Gypsum Board Partitions12VI Application of Gypsum Board with Adhesives to Interior Masonry or Concrete Walls13VII Application of Gypsum Board to Rigid Foam Insulation14VIII Application of Gypsum Board to Steel Framing and Furring15IX Arches and Bending Radii16X Application of Gypsum Board to Receive Tile by Adhesive Application17XI Exterior Application of Gypsum Wallboard and Exterior Gypsum Soffit Board18XII Floating Interior Angles19XIII Control (Expansion) Joints20XIV Foil-Backed Gypsum Board21
The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are approximate and are provided for information purposes only.
1.6 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
1.7 The following precautionary caveat pertains only to Sections 6-23. 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.
1.7.1 For specific precautionary statements, see 4.1.1, 4.1.2 and 22.5.

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ASTM C840-03 - Standard Specification for Application and Finishing of Gypsum Board
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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: C 840 – 03
Standard Specification for
1
Application and Finishing of Gypsum Board
This standard is issued under the fixed designation C 840; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
The values stated in inch-pound units are to be regarded as
1.1 This specification covers the minimum requirements for
the standard. The SI (metric) values given in parentheses are
the methods of application and finishing of gypsum board,
approximate and are provided for information purposes only.
including related items and accessories.
1.6 The text of this specification references notes and
1.2 Details of construction for a specific assembly to
footnotes which provide explanatory material. These notes and
achieve the required fire resistance shall be obtained from
footnotes (excluding those in tables and figures) shall not be
reports of fire-resistance tests, engineering evaluations, or
considered as requirements of the specification.
listings from recognized fire testing laboratories.
1.7 The following precautionary caveat pertains only to
1.2.1 Where this specification is more stringent (size or
Sections 6-23. This standard does not purport to address all of
thickness of framing: size and spacing of fasteners) than the
the safety concerns, if any, associated with its use. It is the
fire-rated construction, this specification shall govern.
responsibility of the user of this standard to establish appro-
1.3 Where sound control is required for a gypsum board
priate safety and health practices and determine the applica-
assembly, details of construction shall be in accordance with
bility of regulatory limitations prior to use.
reports of acoustical tests of assemblies that have met the
1.7.1 For specific precautionary statements, see 4.1.1, 4.1.2,
required acoustical values.
and 22.5.
1.4 Unheated spaces above gypsum board ceilings shall be
properly ventilated (seeAppendix X2).
2. Referenced Documents
1.5 The various application systems are located in the
2.1 ASTM Standards:
following sections:
C 11 Terminology Relating to Gypsum and Related Build-
I Application of Single-Ply Gypsum Board to Wood Framing 8 2
ing Materials and Systems
Members
2
C 36/C 36M Specification for Gypsum Wallboard
II Application of Two-Ply Gypsum Board to Wood Framing 9
Members
C 442/C 442M Specification for Gypsum Backing Board,
III Application of Gypsum Board by Adhesive Nail-On to 10
2
Gypsum Coreboard, and Gypsum Shaftliner Board
Wood Framing Members
C 475/C 475M Specification for Joint Compound and Joint
IV Semi-Solid Gypsum Board Partitions 11
2
V Solid Gypsum Board Partitions 12
Tape for Finishing Gypsum Board
VI Application of Gypsum Board with Adhesives to Interior 13
C 514 Specification for Nails for the Application of Gyp-
Masonry or Concrete Walls
2
sum Board
VII Application of Gypsum Board to Rigid Foam Insulation 14
VIII Application of Gypsum Board to Steel Framing and Furring 15
C 557 Specification for Adhesives for Fastening Gypsum
IX Arches and Bending Radii 16
3
Wallboard to Wood Framing
X Application of Gypsum Board to Receive Tile by 17
Adhesive Application C 630/C 630M Specification for Water-Resistant Gypsum
2
XI Exterior Application of Gypsum Wallboard and 18
Backing Board
Exterior Gypsum Soffit Board
C 645 Specification for Nonstructural Steel Framing Mem-
XII Floating Interior Angles 19
2
bers
XIII Control (Expansion) Joints 20
XIV Foil-Backed Gypsum Board 21
C 754 Specification for Installation of Steel Framing Mem-
2
bers to Receive Screw-Attached Gypsum Panel Products
C 931/C 931M Specification for Exterior Gypsum Soffit
2
1 Board
This specification is under the jurisdiction of ASTM Committee C11 on
Gypsum and Related Building Materials and Systems and is the direct responsibility
of Subcommittee C11.03 on Specifications for the Application of Gypsum and Other
Products in Assemblies.
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Current edition approved June 10, 2003. Published September 2003. Originally Annual Book of ASTM Standards, Vol 04.01.
3
approved in 1979. Last previous edition approved in 2002 as C 840 – 02. Annual Book of ASTM Standards, Vol 15.06.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C 840–03
C 954 Specification for Steel Drill Screws for the Applica- 3.2.11 finishing of accessories, n—the application of com-
tion of Gypsum Panel Products or Metal Plaster Bases to pound to flanges of accessories to create a monolithic surface.
Ste
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