1、Designation: C1047 10Standard Specification forAccessories for Gypsum Wallboard and Gypsum VeneerBase1This standard is issued under the fixed designation C1047; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revis
2、ion. A number in parentheses indicates the year of last reapproval. Asuperscript 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
3、conjunc-tion with assemblies of gypsum wallboard and gypsum veneerbase to protect edges and corners and to provide architecturalfeatures (see Fig. 1).1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that
4、are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A463/A463M Specification for Steel Sheet, Aluminum-Coated, by the Hot-Dip ProcessA653/A653M Specification for Steel Sheet, Zinc-Coated(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)by th
5、e Hot-Dip ProcessA879/A879M Specification for Steel Sheet, Zinc Coated bythe Electrolytic Process for Applications Requiring Desig-nation of the Coating Mass on Each SurfaceB69 Specification for Rolled ZincB117 Practice for Operating Salt Spray (Fog) ApparatusC11 Terminology Relating to Gypsum and R
6、elated BuildingMaterials and SystemsC475/C475M Specification for Joint Compound and JointTape for Finishing Gypsum BoardC587 Specification for Gypsum Veneer PlasterD1788 Specification for Rigid Acrylonitrile-Butadiene-Styrene (ABS) Plastics3D3678 Specification for Rigid Poly(Vinyl Chloride) (PVC)Int
7、erior-Profile ExtrusionsD6386 Practice for Preparation of Zinc (Hot-Dip Galva-nized) Coated Iron and Steel Product and HardwareSurfaces for Painting3. Terminology3.1 Definitions:3.1.1 Definitions shall be in accordance with TerminologyC11.3.2 Definitions of Terms Specific to This Standard:3.2.1 acce
8、ssories, ncornerbeads, edge trims, and controljoints, such as casing beads, bull noses, and stops.3.2.2 control joint, na formed product used for designedor required separations between adjacent surfaces of gypsumboards or gypsum veneer base.3.2.3 cornerbead, na formed metal, plastic, or metal andpa
9、per angle for outside corners of gypsum boards or gypsumveneer base.3.2.4 edge trim, ntypically “J”- or “L”-shaped strip, asshown in Fig. 1, formed of metal, plastic, or metal and paper tocover exposed ends or edges of gypsum board or gypsumveneer base.3.2.5 flange, nthat portion of the accessory us
10、ed for theattachment to gypsum wallboard, gypsum veneer base, or aframing member.4. Materials and Manufacture4.1 Steel accessories and steel components of accessoriesmanufactured from steel and paper in combination shall bemanufactured from zinc-coated cold-roll (coil or cut length)sheet steel not l
11、ess than 0.012-in. (0.30-mm) thick beforeapplication of coating.1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systems and is the direct responsibilityof Subcommittee C11.02 on Specifications and Test Methods for Accessories andRelated
12、 Products.Current edition approved May 1, 2010. Published June 2010. Originallyapproved in 1992. Last previous edition approved in 2009 as C104709. DOI:10.1520/C1047-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annua
13、l Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International,
14、100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.1 Sheet steel, zinc-coated by the hot-dip process, shallbe in accordance with Specification A653/A653M, minimizedspangle, minimum G-30 coating.4.1.2 Sheet steel, zinc-coated by the electrolytic processshall be in
15、 accordance with Specification A879/A879M, mini-mum coating on surface side to be 0.000140 in. (0.00356 mm),minimum coating on reverse side to be 0.00010 in. (0.00254mm).4.1.3 Sheet steel, aluminum-coated, shall be in accordancewith Specification A463/A463M minimum T1-40 coating.4.1.4 Zinc-phosphate
16、 treatment (as specified in 5.4.2 ofPractice D6386) or other surface treatments may be used toensure compatibility and bond as specified in Section 5.4.2 Zinc accessories shall be manufactured from rolled zincin accordance with Specification B69, Type I, not less than0.012-in. (0.305-mm) thick.4.3 P
17、lastic accessories shall be manufactured from rigidPVC or ABS plastic not less than 0.028 in. (0.711 mm).4.3.1 PVC, Specification D3678, Class II or III.4.3.2 ABS, Specification D1788 81, all limits 5-3-3-1-1.4.4 Paper components of accessories manufactured fromsteel and paper in combination shall c
18、omply with requirementsfor thickness, tensile strength, dimensional stability, and bondof joint tape to joint compound as specified in SpecificationC475/C475M.5. Physical Properties5.1 Compatibility and BondAccessories shall be compat-ible with and provide a surface bond to the materials specifiedin
19、 Specifications C475/C475M and C587.5.2 Test PerformanceSteel accessories and steel compo-nents of accessories shall not show any red oxidation whentested as specified in Practice B117 for 192 h.6. Dimensions and Permissible Variations6.1 Cornerbeads shall have an interior angle between theflanges n
20、o greater than 89.6.2 Accessories shall be free of twist or camber of a degreethat will prevent their use in the assembly for which they areintended.6.3 Length tolerances shall be 6316 in. (64.8 mm).6.4 The size of the edge trim shall suit the thickness of thegypsum board used.6.5 The minimum width
21、of the flange shall be78 6132 in.(22 6 0.8 mm).7. Appearance7.1 Edges of accessories shall be free of burrs and sharpedges.8. Configuration8.1 Flanges of accessories, when required to be attached toframing members, shall have punch outs to accommodateFIG. 1 Accessories for Gypsum Wallboard and Gypsu
22、m Veneer BaseC1047 102fastening to the framing members. When required to meetperformance requirements, the flanges shall be either knurled,made of mesh, deformed, expanded, or otherwise shaped tomeet the performance requirements and intended use. Fig. 1depicts the most commonly used shapes.NOTE 1Oth
23、er types of accessories designed for special finish appli-cation (bull-nose, cove, and so forth) shall be manufactured in accordancewith the general requirements of this specification.9. Sampling9.1 At least 0.25 % of the number of each type of accessoryin a shipment, but not less than three pieces,
24、 shall be selectedto represent the shipment and shall constitute a sample for thepurpose of tests by the purchaser or user.10. Inspection10.1 Inspection of the accessories shall be agreed uponbetween the purchaser and the supplier as part of the purchaseorder.11. Rejection and Rehearing11.1 Rejectio
25、n of accessories that fail to conform to therequirements of this specification shall be reported to theproducer or supplier promptly and in writing within 10working days from receipt of shipment by the purchaser. Thenotice of rejection shall contain a specific statement of therespect in which the ac
26、cessories have failed to conform to therequirements of this specification. In case of dissatisfactionwith the results of the test, at the request of the producer orsupplier, such notice of rejection shall be supported by resultsof a test conducted by a mutually agreeable independentlaboratory.12. Ce
27、rtification12.1 When specified in the purchase order, a producers orsuppliers certification that the product meets the requirementsof this specification shall be furnished to the purchaser.13. Packaging and Package Marking13.1 Accessories shall be packaged to ensure safe deliveryby common or other c
28、arriers.13.2 When shipped for resale, the name of the manufactureror seller and the brand and contents shall be legibly marked oneach package.14. Keywords14.1 accessories; bead; corner; cornerbead; edgeSUMMARY OF CHANGESCommittee C11 has identified the location of selected changes to this specificat
29、ion since the last issue,C104709, that may impact the use of this specification. (Approved May 1, 2010)(1) Revised 4.1.4.(2) Revised minimum thickness from 0.012 in. to 0.028 in. in4.3.Committee C11 has identified the location of selected changes to this specification since the last issue,C104705, t
30、hat may impact the use of this specification. (Approved May 1, 2009)(1) Replaced reference to Specification A591/A591MwithSpecification A879/A879M in 4.1.2 and Referenced Docu-ments.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item
31、 mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical commi
32、ttee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a me
33、eting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive,
34、 PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).C1047 103
