ASTM C1047-05
(Specification)Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base
Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base
ABSTRACT
This specification covers accessories used in conjunction with assemblies of gypsum wallboard and gypsum veneer base to protect edges and corners and to provide architectural features. Steel accessories and steel components of accessories manufactured from steel and paper in combination shall be manufactured from zinc-coated cold-roll sheet steel before application of coating. Phosphatizing or other surface treatments may be used to ensure compatibility and bond. Paper components of accessories manufactured from steel and paper in combination shall comply with requirements for thickness, tensile strength, dimensional stability, and bond of joint tape to joint compound. Accessories shall be free of twist or camber of a degree that will prevent their use in the assembly for which they are intended. Edges of accessories shall be free of burrs and sharp edges.
SCOPE
1.1 This specification covers accessories used in conjunction with assemblies of gypsum wallboard and gypsum veneer plaster to protect edges and corners and to provide architectural features (see Fig. 1).
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units in parentheses are provided for information purposes only. The SI equivalents of inch-pound units may be approximate.
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Designation: C 1047 – 05
Standard Specification for
Accessories for Gypsum Wallboard and Gypsum Veneer
1
Base
This standard is issued under the fixed designation C 1047; 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* D 3678 Specification for Rigid Poly(Vinyl Chloride) (PVC)
Interior Profile Extrusions
1.1 This specification covers accessories used in conjunc-
tion with assemblies of gypsum wallboard and gypsum veneer
3. Terminology
base to protect edges and corners and to provide architectural
3.1 Definitions:
features (see Fig. 1).
3.1.1 Definitions shall be in accordance with Terminology
1.2 The values stated in inch-pound units are to be regarded
C11.
as the standard. The SI units in parentheses are provided for
3.2 Definitions of Terms Specific to This Standard:
information purposes only. The SI equivalents of inch-pound
3.2.1 accessories, n—cornerbeads, edge trims, and control
units may be approximate.
joints, such as casing beads, bull noses, and stops.
2. Referenced Documents 3.2.2 control joint, n—a formed product used for designed
2
or required separations between adjacent surfaces of gypsum
2.1 ASTM Standards:
boards or gypsum veneer base.
A 463/A 463M Specification for Steel Sheet, Aluminum-
3.2.3 cornerbead, n—a formed metal, plastic, or metal and
Coated, by the Hot-Dip Process
paper angle for outside corners of gypsum boards or gypsum
A 591/A 591M Specification for Steel Sheet, Electrolytic
veneer base.
Zinc-Coated, for Light Coating [Mass] Applications
3.2.4 edge trim, n—typically “J”- or “L”-shaped strip, as
A 653/A 653M Specification for Steel Sheet, Zinc-Coated
shown in Fig. 1, formed of metal, plastic, or metal and paper to
(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)
cover exposed ends or edges of gypsum board or gypsum
by the Hot-Dip Process
veneer base.
B69 Specification for Rolled Zinc
3.2.5 flange, n—that portion of the accessory used for the
B117 Practice for Operating Salt Spray (Fog) Apparatus
attachment to gypsum wallboard, gypsum veneer base, or a
C11 Terminology Relating to Gypsum and Related Build-
framing member.
ing Materials and Systems
C 475/C 475M Specification for Joint Compound and Joint
4. Materials and Manufacture
Tape for Finishing Gypsum Board
4.1 Steel accessories and steel components of accessories
C 587 Specification for Gypsum Veneer Plaster
manufactured from steel and paper in combination shall be
D 1788 Specification for Rigid Acrylonitrile-Butadiene-
3 manufactured from zinc-coated cold-roll (coil or cut length)
Styrene (ABS) Plastics
sheet steel not less than 0.012-in. (0.30-mm) thick before
D 2092 Guide for Preparation of Zinc-Coated (Galvanized)
application of coating.
Steel Surfaces for Painting
4.1.1 Sheet steel, zinc-coated by the hot-dip process, shall
beinaccordancewithSpecificationA 653/A 653M,minimized
1
This specification is under the jurisdiction of ASTM Committee C11 on
spangle, minimum G-30 coating.
Gypsum and Related Building Materials and Systems and is the direct responsibility
4.1.2 Sheet steel, zinc-coated by the electrolytic process
of Subcommittee C11.02 on Specifications and Test Methods for Accessories and
shall be in accordance with Specification A 591/A 591M,
Related Products.
Current edition approved May 1, 2005. Published May 2005. Originally
minimum coating on surface side to be 0.000140 in. (0.00356
approved in 1992. Last previous edition approved in 2004 as C 1047 – 04.
mm), minimum coating on reverse side to be 0.00010 in.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
(0.00254 mm).
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.1.3 Sheet steel, aluminum-coated, shall be in accordance
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
with Specification A 463/A 463M minimum T1-40 coating.
3
Withdrawn.
*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.
1
---------------------- Page: 1 ----------------------
C 1047 – 05
FIG. 1 Accessories for Gypsum Wallboard and Gypsum Veneer Base
4.1.4 Phosphatizing (as specified in Method A of Guide 6.2 Accessories shall be free of twist or camber of a degree
D 2092) or other surface treatments may be used to ensure that will prevent their use in the assembly for which they are
compatibility and bond as specified in Section 5. intended.
3
4.2 Zinc accessories shall be manuf
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:C 1047–04 Designation: C 1047 – 05
Standard Specification for
Accessories for Gypsum Wallboard and Gypsum Veneer
1
Base
This standard is issued under the fixed designation C 1047; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
1.1 This specification covers accessories used in conjunction with assemblies of gypsum wallboard and gypsum veneer
plasterbase to protect edges and corners and to provide architectural features (see Fig. 1).
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units in parentheses are provided for
information purposes only. The SI equivalents of inch-pound units may be approximate.
2. Referenced Documents
2
2.1 ASTM Standards:
A 463/A 463M Specification for Steel Sheet, Aluminum-Coated, by the Hot-Dip Process
A 591/A 591M Specification for Steel Sheet, Electrolytic Zinc-Coated, for Light Coating [Mass] Applications
A 653/A 653M Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the
Hot-Dip Process
B69 Specification for Rolled Zinc
B117 Practice offor Operating Salt Spray (Fog) Apparatus
C11 Terminology Relating to Gypsum and Related Building Materials and Systems
C475 475/C 475M Specification for Joint Compound and Joint Tape for Finishing Gypsum Board
C 587 Specification for Gypsum Veneer Plaster
3
D 1788 Specification for Rigid Acrylonitrile-Butadiene-Styrene (ABS) Plastics
D 2092 Guide for Preparation of Zinc-Coated (Galvanized) Steel Surfaces for Painting
D 3678 Specification for Rigid Poly(Vinyl Chloride) (PVC) Interior Profile Extrusions
3. Terminology
3.1 Definitions:
3.1.1 Definitions shall be in accordance with Terminology C 11.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 accessories, n—cornerbeads, edge trims, and control joints, such as casing beads, bull noses, and stops.
3.2.2 control joint, n—a formed product used for designed or required separations between adjacent surfaces of gypsum boards
or gypsum veneer base.
3.2.3 cornerbead, n—a formed metal, plastic, or metal and paper angle for outside corners of gypsum boards or gypsum veneer
base.
3.2.4 edge trim, n—typically “J”- or “L”-shaped strip, as shown in Fig. 1, formed of metal, plastic, or metal and paper to cover
exposed ends or edges of gypsum board or gypsum veneer base.
3.2.5 flange, n—that part of the accessory extending out on the face of the gypsum board. —that portion of the accessory used
for the attachment to gypsum wallboard, gypsum veneer base, or a framing member.
1
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 C11.02 on Specifications and Test Methods for Accessories and Related Products.
Current edition approved Dec.May 1, 2004.2005. Published December 2004.May 2005. Originally approved in 1992. Last previous edition approved in 2004 as
C1047–99(2004).C 1047 – 04.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Withdrawn.
*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.
1
---------------------- Page: 1 ----------------------
C 1047 – 05
FIG. 1 Accessories for Gypsum Wallboard and Gypsum Veneer Base
4. Materials and Manufacture
4.1 Steel accessories and steel components of accessories manufactured from steel and paper in combination shall be
manufactured from zinc-coated cold-roll (coil or cut length) sheet steel not less than 0.012-in. (0.30-mm) thick before application
of coating.
4.1.1 Sheet steel, zinc-coated by the hot-dip process, shall be in accordance with Specification A 653/A 653M, minimized
spangle, minimum G-30 coating.
4.1.2 Sheet steel, zinc-coated by the electrolytic process shall be in accordance with Specification A 591/A 591M, minimum
coating on surface side to be 0.000140 in. (0.00356 mm), minimum coating on reverse side to be 0.00010 in. (0.00254 mm).
4.1.3 Sheet steel, al
...
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