1、Designation: C 1063 08Standard Specification forInstallation of Lathing and Furring to Receive Interior andExterior Portland Cement-Based Plaster1This standard is issued under the fixed designation C 1063; the number immediately following the designation indicates the year oforiginal adoption or, in
2、 the case 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 Department of Defense.1. Scope*1.1 T
3、his specification covers the minimum requirements forlathing and furring for the application of exterior and interiorportland cement-based plaster as in Specification C 926 orSpecification C 841.1.2 Where a fire resistance rating is required for plasteredassemblies and constructions, details of cons
4、truction shall be inaccordance with reports of fire tests of assemblies that havemet the requirements of the fire rating imposed.1.3 Where a specific degree of sound control is required forplastered assemblies and constructions, details of constructionshall be in accordance with official reports of
5、tests conducted inrecognized testing laboratories in accordance with the appli-cable requirements of Test Method E90.1.4 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only
6、and are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A 641/A 641M Specification for ZincCoated (Galvanized)Carbon Steel WireA 653/A 653M Specification for Steel Sheet, Zinc-Coated(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)by the Hot-Dip ProcessB69 Specification for Ro
7、lled ZincB 221 Specification for Aluminum and Aluminum-AlloyExtruded Bars, Rods, Wire, Profiles, and TubesC11 Terminology Relating to Gypsum and Related Build-ing Materials and SystemsC 841 Specification for Installation of Interior Lathing andFurringC 847 Specification for Metal LathC 926 Specifica
8、tion for Application of Portland Cement-Based PlasterC 933 Specification for Welded Wire LathC 954 Specification for Steel Drill Screws for the Applica-tion of Gypsum Panel Products or Metal Plaster Bases toSteel Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84mm) in ThicknessC 1002 Specification f
9、or Steel Self-Piercing TappingScrews for the Application of Gypsum Panel Products orMetal Plaster Bases to Wood Studs or Steel StudsC 1032 Specification for Woven Wire Plaster BaseD 1784 Specification for Rigid Poly(Vinyl Chloride) (PVC)Compounds and Chlorinated Poly(Vinyl Chloride)(CPVC) CompoundsD
10、 4216 Specification for Rigid Poly(Vinyl Chloride) (PVC)and Related PVC and Chlorinated Poly(Vinyl Chloride)(CPVC) Building Products CompoundsE90 Test Method for Laboratory Measurement of AirborneSound Transmission Loss of Building Partitions and Ele-ments3. Terminology3.1 DefinitionsFor definitions
11、 relating to Ceilings andWalls, see Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 control joint, na joint that accommodates movementof plaster shrinkage and curing along predetermined, usuallystraight, lines.3.2.2 expansion joint, na joint that accommodates move-ment beyon
12、d plaster shrinkage and curing.1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systems and is the direct responsibilityof Subcommittee C11.03 on Specifications for theApplication of Gypsum and OtherProducts in Assemblies.Current edition
13、 approved May 15, 2008. Published June 2008. Originallyapproved in 1986. Last previous edition approved in 2007 as C 1063 07.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information,
14、refer to the standards Document Summary page onthe ASTM website.1*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.NOTE 1For design consideration of control and expansion
15、 joints, seeAnnex A2.3.1.2 of Specification C 926.3.2.3 hangers, nwires or steel rods or straps used tosupport main runners for suspended ceilings beneath floor orroof constructions.3.2.4 inserts, ndevices embedded in concrete structuralmembers to provide a loop or opening for attachment ofhangers.3
16、.2.5 saddle tie, nsee Figs. 1 and 2.3.2.6 self-furring, adja metal plaster base manufacturedwith evenly-spaced indentations that hold the body of the lathapproximately14 in. (6.4 mm) away from solid surfaces towhich it is applied.3.2.7 framing member, nstuds, joist, runners (track),bridging, bracing
17、, and related accessories manufactured orsupplied in wood or light gauge steel.4. Delivery of Materials4.1 All materials shall be delivered in the original packages,containers, or bundles bearing the brand-name and manufac-turers (or suppliers) identification.5. Storage of Materials5.1 All materials
18、 shall be kept dry. Materials shall bestacked off the ground, supported on a level platform, andprotected from the weather and surface contamination.5.2 Materials shall be neatly stacked with care taken toavoid damage to edges, ends, or surfaces.5.3 Paper backed metal plaster bases shall be handledc
19、arefully in delivery, storage, and erection to prevent punctur-ing or removal of paper.6. Materials6.1 Metal Plaster Bases:6.1.1 Expanded Metal LathSpecification C 847, galva-nized.6.1.2 Wire Laths:6.1.2.1 Welded Wire LathSpecification C 933.6.1.2.2 Woven Wire LathSpecification C 1032.6.1.2.3 Paper
20、Backed Plaster BasesSpecification C 847.6.2 Accessories:6.2.1 GeneralAll accessories shall have perforated orexpanded flanges or clips shaped to permit complete embed-ment in the plaster, to provide means for accurate alignment,and to secure attachment of the accessory to the underlyingsurface.Acces
21、sories shall be designed to receive application ofthe specified plaster thickness.6.2.2 Accessories shall be fabricated from ZincAlloy (99 %pure zinc), galvanized (zinc coated) steel, rigid PVC or CPVCplastic, or anodized aluminum alloy. See Specification B 221.(See Table 1 for minimum allowable thi
22、cknesses).NOTE 2The selection of an appropriate type of material for accesso-ries shall be determined by applicable surrounding climatic and environ-mental conditions specific to the project location, such as salt air,industrial pollution, high moisture, or humidity.6.2.3 SteelSpecification A 653/A
23、653M and shall have aG60 coating.6.2.4 PVC PlasticSpecification D 1784 or D 4216.6.2.5 Zinc AlloySpecification B69, 99 % pure zinc.6.2.6 Thickness of base material shall be as shown in Table1.6.2.7 Cornerite1.75 lb/yd2(0.059 kg/m2), galvanized ex-panded metal lath, galvanized, 1.7 lb/yd2(0.057 kg/m2
24、) galva-nized woven or welded wire fabric of 0.0410 in. (1.04 mm)wire. When shaped for angle reinforcing, it shall have out-standing flanges (legs) of not less than 2 in. (51 mm).6.3 ChannelsShall be cold-formed from steel with mini-mum 33 000 psi (228 MPa) yield strength and 0.0538 in. (1.37mm) min
25、imum bare steel thickness. Channel shall have aprotective coating conforming to Specification A 653/A 653MG60, or have a protective coating with an equivalentcorrosion resistance for exterior applications, or shall be coatedwith a rust inhibitive paint, for interior applications, and shallhave the f
26、ollowing minimum weights in pounds per 1000 linearfeet (kg/m).FIG. 1 Saddle TieFIG. 2 Saddle TieTABLE 1 Minimum Thickness of AccessoriesAccessoryBase Material, in. (mm)Steel Zinc Alloy P.V.C.Corner Beads 0.0172 (0.44) 0.0207 (0.53) 0.035 (0.89)Casing Beads 0.0172 (0.44) 0.0207 (0.53) 0.035 (0.89)Wee
27、p Screeds 0.0172 (0.44) 0.0207 (0.53) 0.050 (1.27)Control Joints 0.0172 (0.44) 0.018 (0.46) 0.050 (1.27)C 1063 082Sizes, in. (mm) Weight, lb/1000 ft (kg/m) Flange Width, 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)NOTE 3Channels us
28、ed in areas subject to corrosive action of salt airshall be hot-dipped galvanized, G60 coating.6.3.1 External Corner ReinforcementExpanded lath,welded wire, or woven wire mesh bent to approximately 90used to reinforce portland cement stucco at external corners.This accessory shall be fully embedded
29、in the stucco.6.3.2 Foundation Weep ScreedAccessory used to termi-nate portland cement based stucco at the bottom of exteriorwalls. This accessory shall have a sloped, solid, or perforated,ground or screed flange to facilitate the removal of moisturefrom the wall cavity and a vertical attachment fla
30、nge not lessthan 312 in. (89 mm) long.6.4 WireAs specified in SpecificationA 641/A 641M witha Class I zinc coated (galvanized), soft temper steel. Wirediameters (uncoated) specified herein correspond with UnitedStates Steel Wire Gauge numbers as follows:Wire Gauge(US Steel Wire Gauge)Diameter (in.)m
31、mNo. 20 0.0348 .88No. 19 0.0410 1.04No. 18 0.0475 1.21No. 17 0.0540 1.37No. 16 0.0625 1.59No. 14 0.0800 2.03No. 13 0.0915 2.32No. 12 0.1055 2.68No. 11 0.1205 3.06No. 10 0.1350 3.43No. 9 0.1483 3.77No. 8 0.1620 4.126.5 Rod and Strap HangersMild steel, zinc or cadmiumplated, or protected with a rust-i
32、nhibiting paint.6.6 ClipsForm from steel wire, Specification A 641/A 641M zinc-coated (galvanized), Specification A 641/A 641M or steel sheet, Specification A 653/A 653M, depend-ing on use and manufacturers requirements.6.7 Fasteners:6.7.1 NailsFor attaching metal plaster bases to woodsupports, 0.12
33、05-in. 11 gauge (3.06-mm) diameter,716-in.(11.1-mm) head, barbed, galvanized roofing nails or galvanizedcommon nails.6.7.1.1 Nails for attaching metal plaster bases to solidsubstrates shall be not less than34 in. (19 mm) long.6.7.2 Screws for attaching metal plaster base shall befabricated in accord
34、ance with either Specification C 954 orC 1002 and shall have a716 in. (11.1 mm) diameter pan waferhead and a 0.120 in. (3.0 mm) diameter shank. Screws used forattachment to metal framing members shall be self-drilling andself-tapping. Screws used for attachment to wood framingmembers shall be sharp-
35、point.7. Installation7.1 WorkmanshipMetal furring and lathing shall beerected so that the finished plaster surfaces are true to line(allowable tolerance of14 in. 6.4 mm in 10 ft 3.05 m),level, plumb, square, or curved as required to receive thespecified plaster thickness.7.2 Hangers and Inserts:7.2.
36、1 Hangers shall be of ample length and shall conform tothe requirements of Table 2 both as to size and maximum areato be supported, except as modified in this section.7.2.2 When 1 by316-in. (25 by 4.8-mm) flat inserts andhangers are used,716-in. (11.1-mm) diameter holes shall beprovided on the cente
37、r line at the lower end of the insert andupper end of the hanger to permit the attachment of the hangerto the insert. The edge of the holes in both the inserts and thehangers shall be not less than38 in. (9.5 mm) from the ends.7.2.3 In concrete, hangers shall be attached to insertsembedded in the co
38、ncrete or to other attachment devicesdesigned for this purpose and able to develop full strength ofthe hanger.7.2.4 Flat, steel hangers shall be bolted to 1 by316-in. (25 by4.8-mm) inserts with38-in. (9.5-mm) diameter round-headstove bolts. (See Fig. 3.)7.2.5 The nuts of the bolts shall be drawn up
39、tight.NOTE 4Hangers required to withstand upward wind pressures shall beof a type to resist compression. Struts of formed channels shall bepermitted.7.3 Installation of Hangers for Suspended Ceilings UnderWood ConstructionsHangers shall be attached to supports byany of the following methods:7.3.1 A
40、hole shall be drilled through the wood member notless than 3 in. (76 mm) above the bottom with the upper end ofthe wire hanger passed through the hole and twisted three timesaround itself. See Fig. 4.7.3.2 Three 12d nails shall be driven, on a downward slant,into the sides of the wood member with no
41、t less than 114 in.(31.8 mm) penetration and not less than 5 in. (127 mm) fromthe bottom edges, and not more than 36 in. (914 mm) on thecenter with the upper end of the wire hanger wrapped aroundthe nails and twisted three times around itself. See Fig. 5.7.3.3 A loop shall be formed in the upper end
42、 of the wirehanger and secured to the wood member by four 112-in.(38.1-mm), not less than 9 gauge, 0.1483-in. (3.77-mm)diameter wire staples driven horizontally or on a downwardslant into the sides of the wood members, three near the upperend of the loop and the fourth to fasten the loose end. See F
43、ig.6.7.3.4 Where supports for flooring are thicker than 112 in.(38.1 mm) and are spaced more than 4 ft (1.2 m) on center, 112in. (38.1-mm) No. 1/0 (0.3065 in.) (7.78 mm) eye screws, orequivalent, spaced not more than 3 ft (0.9 m) on centers shallbe screwed into the flooring supports with the upper e
44、nd of thewire hanger inserted through the eye screws and twisted threetimes around itself.7.3.5 Two holes shall be drilled in the upper end of the flathangers and nailed to the sides of the wood members with 12dnails driven through the holes and clinched. Nails shall be notless than 3 in. (76 mm) ab
45、ove the bottom edge of the framingmember. See Fig. 7.7.4 Attachment of Hangers to Main Runners:7.4.1 Wire hangers shall be saddle-tied to the runners. SeeFig. 1.7.4.2 Smooth or threaded rod hangers shall be fastened tothe runners with special attachments appropriate to the design.C 1063 0837.4.3 The
46、 lower ends of flat hangers shall be bolted to themain runners, or bent tightly around the runners and carried upand above the runners and bolt to the main part of the hanger.Bolts shall be38-in. (9.5-mm) diameter, round-head stovebolts. See Fig. 3.7.5 Installation of Main Runners:7.5.1 Minimum size
47、s and maximum spans and spacings ofmain runners for the various spans between hangers or othersupports shall be in accordance with the requirements of Table2.7.5.2 A clearance of not less than 1 in. (25 mm) shall bemaintained between the ends of the main runners and theabutting masonry or the concre
48、te walls, partitions, and col-umns. Where special conditions require that main runners letinto abutting masonry or concrete construction, within suchconstructions maintain a clearance of not less than 1 in. (25mm) from the ends and not less than14 in. (6.4 mm) from thetops and sides of the runners.7
49、.5.3 A main runner shall be located within 6 in. (152 mm)of the paralleling walls to support the ends of the cross furring.The ends of main runners shall be supported by hangers locatednot more than 6 in. (152 mm) from the ends.7.5.4 Where main runners are spliced, the ends shall beoverlapped not less than 12 in. (305 mm) with flanges ofchannels interlocked and securely tied near each end of thesplice with double loops of 0.0625 in. (1.59 mm) or doubleloops of twin strands of 0.0475-in. (1.21-mm) galvanized wire.Howev
