1、Designation: C754 11C754 15Standard Specification forInstallation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products1This standard is issued under the fixed designation C754; the number immediately following the designation indicates the year oforiginal adoption or, in the case
2、 of revision, the year of last revision. 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 U.S. Department of Defense.1. Scope*1.1 This
3、specification covers the minimum requirements for the installation of interior nonstructural steel framing and furringmembers designed to receive screw-attached gypsum panel products. The steel framing and furring members covered in thisspecification are limited to those complying with Specification
4、 C645.1.2 Details of construction for a specific assembly to achieve the required fire resistance, sound or acoustic rating shall beobtained from reports of fire-resistance tests, engineering evaluations, or listings from recognized fire testing, sound or acousticlaboratories.1.3 The values stated i
5、n inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A641/A641M Specification for ZincCoated (Galvanized) Carbon Ste
6、el WireA653/A653M Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by theHot-Dip ProcessA1008/A1008M Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-StrengthLow-Alloy with Improved Formability, Solution Ha
7、rdened, and Bake HardenableC11 Terminology Relating to Gypsum and Related Building Materials and SystemsC645 Specification for Nonstructural Steel Framing MembersC840 Specification for Application and Finishing of Gypsum Board2.2 AISI Standard:3AISI COSP Code of Standard Practice for Cold-Formed Ste
8、el Structural Framing - 2006 Edition2.3 ICC-ES Document4ICC-ES-AC86ICC-ES AC86 Acceptance Criteria for Steel Studs and Gypsum-Board Interior Nonload-Bearing WallsComplete ConstructionAC86Approved July 1995 (Editorially revised September 2005) (Formerly ICBO AC86 datedJuly 1995)Cold-Formed Steel Fram
9、ing MembersInterior Nonload-bearing Wall AssembliesApproved May 20123. Terminology3.1 DefinitionsTerms shall be as defined in Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 channel, nthe material described in 4.3 to which furring members are attached.3.2.2 cross furring, nf
10、urring member attached perpendicular to main runners or framing members.1 This specification is under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and is the direct responsibility ofSubcommittee C11.03 on Specifications for the Application of Gypsum and
11、 Other Products in Assemblies.Current edition approved Aug. 1, 2011Feb. 1, 2015. Published August 2011February 2015. Originally approved in 1974. Last previous edition approved in 20092011 asC754 09a.C754 11. DOI: 10.1520/C0754-11.10.1520/C0754-15.2 For referencedASTM standards, visit theASTM websit
12、e, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from American Iron and Steel Institute (AISI), 1140 Connecticut Ave., NW, Suite 705, Washington, DC 2
13、0036, http:/www.steel.org.4 Available from ICC Evaluation Services, Inc., 5360 Workman Mill Road, Whittier, CA 90601, www.icc-es.org.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
14、. Becauseit 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 versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section
15、 appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.2.3 cross furring member, na member installed perpendicularly to the main beams designed to receive screw attachedscrew-attached gypsum panel produc
16、ts.3.2.4 direct furring, nfurring members attached directly to the structural members of the building.3.2.5 framing member, nmetal studs, runners (track), and rigid furring channels designed to receive screw attachedscrew-attached gypsum panel products.3.2.6 furred ceiling, na ceiling in which the r
17、igid furring channels and studs are attached directly to the structural membersof the building.3.2.7 furring, vpreparing a wall or ceiling with framing or furring members to provide a level surface or airspace.3.2.8 furring member, nmetal studs, rigid furring channels, or channels used either as dir
18、ect furring or as cross furring.3.2.9 grid suspension system, na ceiling system composed of modular interlocking steel components designed to receivescrew-attached gypsum panel products.3.2.10 main beam, nthe main support member of a grid suspension system that receives cross furring members.3.2.11
19、main runner, nthe channel or stud that is attached to or suspended from the structural members of the building.3.2.12 runner (track), na member designed to receive the ends of metal studs, attached directly to the structural members ofthe building.3.2.13 suspended ceiling, na ceiling in which the ma
20、in runners and cross furring are suspended below the structural membersof the building.4. Materials and Manufacture4.1 Studs, Runners, Rigid Furring Channels, and Grid Suspension SystemsseeSee Specification C645.4.2 Tie Wire and Hanger WireZinc-coated (galvanized) soft-annealed steel, or of a materi
21、al and size having equivalentcorrosion resistance and strength. Wire diameters (uncoated) specified herein correspond with United States steel wire gaugenumbers as follows:colwidth=“1.20in“/COLSPEC DiameterA Wire Gauge(U.S. Steel WireGauge)in. mm0.0348 0.88 No. 200.0410 1.04 No. 190.0475 1.21 No. 18
22、0.0540 1.37 No. 170.0625 1.59 No. 160.0800 2.03 No. 140.0915 2.32 No. 130.1055 2.68 No. 120.1205 3.06 No. 110.1350 3.43 No. 100.1483 3.77 No. 90.1620 4.12 No. 8A Allowable variations in diameter shall be in accordance with tolerances as established in Specification A641/A641M.4.3 ChannelsChannels sh
23、all be cold-formed from steel with a minimum 33 000 psi (228 MPa) yield strength and 0.0538 in.(1.37 mm) minimum bare steel thickness. Channels shall have a protective coating conforming to Specification A653/A653MG40or shall have a protective coating with an equivalent corrosion resistance, and sha
24、ll have the following minimum weights in lb per1000 linear ft (kg/m):Size Weight Flange Widthin. (mm) lb/1000 ft (kg/m) in. (mm)34 (19) 277 (0.412) 12 (13)112 (38) 414 (0.616) 12 (13)2 (51) 506 (0.753) 12 (13)212 (64) 597 (0.888) 12 (13)4.4 Grid Suspension System:4.4.1 Main BeamFormed from cold-roll
25、ed steel “T” sections, indexed with slots to receive ends of cross furring members, andwith stamped couplings at each end for the purpose of splicing.4.4.2 Cross Furring MembersFormed from cold-rolled steel, designed to permit screw attachment of gypsum panel products,and formed with an end configur
26、ation that permits mechanical interlock with the indexed slots of the main beam.4.5 Rod and Flat HangersFormed from steel conforming to Specification A1008/A1008M. When specified, rod and flathangers shall be protected with zinc coating or another equally rust-inhibiting coating.C754 1525. Installat
27、ion of Metal Framing5.1 Tolerances:5.1.1 Spacing of studs and furring members shall be not more than 618 in. (3 mm) from the spacing shown in Tables 1 and2. Any cumulative error shall be not more than 618 in.5.2 Runner (Track) Installation:5.2.1 GeneralRunners shall be aligned accurately at the floo
28、r and ceiling and securely anchored approximately 2 in. (50 mm)from the runner ends, not more than 24 in. (610 mm) on center. Runners shall be secured with fasteners at partition corners. Onerunner shall extend to the end of the corner and the other runner shall butt to it and be gapped to allow cle
29、arance for the gypsumpanel product thickness. Runners shall not be mitered.5.2.2 Runners to Concrete SlabsShall be fastened with concrete stub nails, expansion anchors, shielded screws, orpower-driven fasteners not exceeding 24 in. (610 mm) on center.5.2.3 Runners to WoodShall be fastened with screw
30、s providing not less than 1 in. (25 mm) penetration or nails providing 112in. (38 mm) penetration into the wood.5.2.4 Runners to Suspended CeilingsShall be fastened with “Molly”-type expandable fasteners, toggle bolts, clamps, orscrews into channels, splines, “T” runners, or other members.5.3 Stud I
31、nstallation:5.3.1 Stud Height and Spacing Limitations:5.3.1.1 Maximum framing spacing determined by gypsum panel product thickness shall be in accordance with Table 1.5.3.1.2 Stud heights shall be not greater than those shown in Tables 3-5.5.3.1.3 Studs shall engage both the floor and ceiling runner
32、s. The gap between the end of a stud and the web of the top andbottom runner shall be not more than 14 in. (6 mm).5.3.1.4 Where conditions require that a partition be constructed with compensation for vertical structural movement, the gapbetween the end of a stud and the adjacent runner shall be des
33、igned by an architect or engineer.5.3.2 Location:TABLE 1 Maximum Framing SpacingNOTE 1Where a conflict exists in spacing between base and face layers, the closer spacing shall govern.Gypsum Panel Product ThicknessLocation ApplicationMaximum Spacing, ocBase Layer,in. (mm)Face Layer,in. (mm)One Layer
34、Only,in. (mm)Two LayersFasteners Only,in. (mm)Adhesive BetweenLayers, in. (mm)38 (9.5) . . . ceilings perpendicular 16 (406)A 16 (406)A 16 (406)A38 (9.5) ceilings perpendicular NA 16 (406) 16 (406)38 (9.5) ceilings parallel NA NR 16 (406)12 (12.7) . . . ceilings perpendicular 24 (610)A 24 (610)A 24
35、(610)A. . . ceilings parallel 16 (406)A 16 (406)A 16 (406)A38 (9.5) ceilings perpendicular NA 16 (406) 24 (610)38 (9.5) ceilings parallel NA NR 24 (610)12 (12.7) ceilings perpendicular NA 24 (610) 24 (610)12 (12.7) ceilings parallel NA 16 (406) 24 (610)58 (15.9) . . . ceilings perpendicular 24 (610)
36、A 24 (610)A 24 (610)A. . . ceilings parallel 16 (406)A 16 (406)A 16 (406)A38 (9.5) ceilings perpendicular NA 16 (406) 24 (406)38 (9.5) ceilings parallel NA NR 24 (610)12 or 58 (12.7 or 15.9) ceilings perpendicular NA 24 (610) 24 (610)12 or 58 (12.7 or 15.9) ceilings parallel NA 16 (406) 24 (406)14 (
37、6.4) . . . walls parallel NR 16 (406)A 16 (406)A38 (9.5) walls NR NR NR NR12 or 58 (12.7 or 15.9) walls perpendicular or parallel NA 16 (406) 16 (406)38 (9.5) . . . walls perpendicular or parallel 16 (406)A 16 (406)A 24 (610)A38 or 12 or 58 (9.5 or12.7 or 15.9)walls perpendicular or parallel NA 16 (
38、406) 24 (610)12 or 58 (12.7 or15.9). . . walls perpendicular or parallel 24 (610)A 24 (610)A 24 (610)A38 or 12 or 58 (9.5 or12.7 or 15.9)walls perpendicular or parallel NA 24 (610) 24 (610)Perpendicularperpendicular to framing membersParallelparallel to framing membersNAnot applicableNRnot recommend
39、edocon centerA Denotes framing spacing for base layer in two-layer application.C754 1535.3.2.1 Studs shall be positioned vertically and shall be spaced not more than the maximum framing spacing allowed for thefinish specified. Studs located adjacent to door and window frames, partition intersections
40、, and corners shall be anchored to runnerflanges by screws, or by crimping at each stud and runner flange.5.3.2.2 At the junction of through and abutting partitions, a stud shall be located not more than 2 in. (50 mm) away from theintersection in the abutting partition from the through partition (se
41、e Fig. 1), and not more than 2 in. (50 mm) from partition cornersand other construction. A stud shall be located adjacent to all door and borrowed light frames. Studs shall be securely anchoredto the jamb anchor clips on each door frame or borrowed light frame by bolt or screw attachment. A header s
42、hall be formed overmetal door and borrowed light frames with a cut-to-length section of runner placed horizontally with the flanges cut and web bentvertically at each end, and securely attached to the adjacent vertical studs. A cut-to-length stud shall be positioned at the locationof vertical joints
43、 over the header extending to the ceiling runner. Additional cut to length studs required to comply with framingspacing in accordance with Table 1 shall also be added over the header, extending to the ceiling runner.5.3.2.3 At partition corners, a stud shall be installed so that it forms the outside
44、 corner. Following application of a single layerof gypsum panel product to this stud, a second stud shall be installed in the abutting runner and the web shall be screw attachedscrew-attached through the gypsum panel product into the flange of the first stud (see Fig. 2).Athree-stud conventional cor
45、ner shallbe permitted (see Fig. 3).5.4 Chase Wall Partitions:5.4.1 Adouble row of runners and studs as specified in 5.2 and 5.3 shall be installed. Height shall be in accordance with 5.3.1.2.5.4.2 Where a gypsum panel product is used as bracing between chase walls, a gap of not more than 20 in. (508
46、 mm) betweenrows of studs shall be permitted.5.4.3 Horizontal cross braces to opposite studs shall be installed not more than 4 ft (1220 mm) on center vertically. Horizontalcross braces shall be either of the following:5.4.3.1 Gypsum panel product gussets 12 in. (305 mm) deep attached to the stud we
47、bs with three screws.5.4.3.2 A stud or runner with the web screw attached screw-attached to the wall stud web with not less than two screws.5.5 Rigid Furring Channel Installation, Direct Attachment to Masonry or ConcreteThe furring member shall be attached tomasonry or concrete surfaces, either vert
48、ically or horizontally. Spacing shall be determined by gypsum panel product thickness inaccordance with Table 1. For furring positioned horizontally, the center line of the furring members closest to the floor and ceilingshall be attached not more than 3 in. (76 mm) from the floor and ceiling lines.
49、 The furring member shall be secured with fastenersoccurring on alternated flanges and spaced 24 in. (610 mm) on center.5.6 Resilient Furring Channel Installation to Steel and Wood Members:5.6.1 Resilient furring channel shall be installed to wall framing members with the mounting flange of the resilient furringchannel down, except at the floor where the attachment flange shall be permitted to be installed with the flange up to accommodatefastening to the framing members (See(see Fig. 4). In the case
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