1、Designation: C1063 17aC1063 17bStandard Specification forInstallation of Lathing and Furring to Receive Interior andExterior Portland Cement-Based Plaster1This standard is issued under the fixed designation C1063; the number immediately following the designation indicates the year oforiginal adoptio
2、n or, in 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 U.S. Department of Defense.1
3、. Scope*1.1 This specification covers the minimum technical requirements for lathing and furring for the application of exterior andinterior portland cement-based plaster, as in Specifications C841 or C926. These requirements do not by default define a unit ofwork or assign responsibility for contra
4、ctual purposes, which is the purview of a contract or contracts made between contractingentities.1.2 Where a fire resistance rating is required for plastered assemblies and constructions, details of construction shall be inaccordance with reports of fire tests of assemblies that have met the require
5、ments of the fire rating imposed.1.3 Where a specific degree of sound control is required for plastered assemblies and constructions, details of construction shallbe in accordance with official reports of tests conducted in recognized testing laboratories in accordance with the applicablerequirement
6、s of Test Method E90.1.4 The values stated in 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.1.5 This international standard was developed in accordance wi
7、th internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:
8、2A641/A641M Specification for ZincCoated (Galvanized) Carbon Steel WireA653/A653M Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by theHot-Dip ProcessB69 Specification for Rolled ZincB221 Specification for Aluminum and Aluminum-Alloy Extruded Bars, R
9、ods, Wire, Profiles, and TubesC11 Terminology Relating to Gypsum and Related Building Materials and SystemsC841 Specification for Installation of Interior Lathing and FurringC847 Specification for Metal LathC926 Specification for Application of Portland Cement-Based PlasterC933 Specification for Wel
10、ded Wire LathC954 Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studsfrom 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in ThicknessC1002 Specification for Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or
11、Metal Plaster Basesto Wood Studs or Steel StudsC1032 Specification for Woven Wire Plaster Base1 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 App
12、lication of Gypsum and Other Products in Assemblies.Current edition approved June 1, 2017Dec. 1, 2017. Published June 2017April 2018. Originally approved in 1986. Last previous edition approved in 2017 asC1063 17.C1063 17a. DOI: 10.1520/C1063-17a.10.1520/C1063-17b.2 For referencedASTM standards, vis
13、it theASTM website, 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.This document is not an ASTM standard and is intended only to provide the user of an ASTM standa
14、rd an indication of what changes have been made to the previous version. 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
15、is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1D1784 Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorina
16、ted Poly(Vinyl Chloride) (CPVC)CompoundsD4216 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 Airborne Sound Transmission Loss of Building Partitions and Elements3.
17、Terminology3.1 DefinitionsFor definitions relating to ceilings and walls, see Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 building enclosure, nsystem of building assemblies and materials designed and installed in such a manner as to providea barrier between different env
18、ironments.3.2.2 control joint, na joint that accommodates movement of plaster shrinkage and curing along predetermined, usuallystraight, lines.3.2.3 expansion joint, na joint that accommodates movement beyond plaster shrinkage and curing.NOTE 1For design consideration of control and expansion joints
19、, see Annex A2.3.1.2 of Specification C926.3.2.4 framing member, nstuds, joist, runners (track), bridging, bracing, and related accessories manufactured or supplied inwood or light gauge steel.3.2.5 hangers, nwires or steel rods or straps used to support main runners for suspended ceilings beneath f
20、loor or roofconstructions.3.2.6 inserts, ndevices embedded in concrete framing members to provide a loop or opening for attachment of hangers.3.2.7 saddle tie, nsee Figs. 1 and 2.3.2.8 self-furring, adja metal plaster base manufactured with evenly-spaced indentations that hold the body of the lathap
21、proximately 14 in. (6 mm) away from solid surfaces to which it is installed.3.2.9 water resistive barrier, na material that resists the infiltration of liquid moisture through the building enclosure system.4. Delivery of Materials4.1 All materials shall be delivered in the original packages, contain
22、ers, or bundles bearing the brand-name and manufacturers(or suppliers) identification.5. Storage of Materials5.1 All materials shall be kept dry. Materials shall be stacked off the ground, supported on a level platform, and protected fromthe weather and surface contamination.5.2 Materials shall be n
23、eatly stacked with care taken to avoid damage to edges, ends, or surfaces.5.3 Paper backed metal plaster bases shall be handled carefully in delivery, storage, and erection to prevent puncturing orremoval of paper.6. Materials6.1 Metallic materials including lathing, lath accessories, and fasteners
24、shall be selected for compatibility to minimize galvaniccorrosion between adjacent metallic materials installed in the cement plaster cladding assembly.FIG. 1 Saddle TieC1063 17b26.2 Metal Plaster Bases:6.2.1 Expanded Metal LathSpecification C847, galvanized.6.2.2 Wire Laths:6.2.2.1 Welded Wire Lath
25、Specification C933.6.2.2.2 Woven Wire LathSpecification C1032.6.2.2.3 Paper Backed Plaster BasesSpecification C847.6.3 Accessories:6.3.1 GeneralAll accessories shall have perforated or expanded flanges or clips shaped to permit complete embedment in theplaster, to provide means for accurate alignmen
26、t, and to secure attachment of the accessory to the underlying surface. Accessoriesshall be designed to receive application of the specified plaster thickness.6.3.2 Accessories shall be fabricated from Zinc Alloy (99 % pure zinc), galvanized (zinc-coated) steel, rigid PVC or CPVCplastic, or anodized
27、 aluminum alloy (see Specification B221).Accessories shall be free of deleterious amounts of rust, oil, or otherforeign matter, which could cause bond failure or unsightly discoloration. (See Table 1 for minimum allowable thicknesses.)6.3.3 The selection of an appropriate type of material for access
28、ories shall be based upon applicable surrounding climatic andenvironmental conditions specific to the project location, such as salt air, industrial pollution, high moisture, or humidity.6.3.4 SteelSpecification A653/A653M and shall have a G60 coating.6.3.5 PVC PlasticSpecification D1784 or D4216.6.
29、3.6 Zinc AlloySpecification B69, 99 % pure zinc.6.3.7 Thickness of base material shall be as shown in Table 1.6.3.8 Cornerite1.75 lb/yd2 (0.059 kg/m2), galvanized expanded metal lath, 1.7 lb/yd2 (0.057 kg/m2) galvanized woven orwelded wire fabric of 0.0410 in. (1.04 mm) wire. When shaped for angle r
30、einforcing, it shall have outstanding flanges (legs) ofnot less than 2 in. (51 mm).6.4 ChannelsShall be cold-formed from steel with minimum 33 000 psi (228 MPa) yield strength and 0.0538 in. (1.37 mm)minimum bare steel thickness. Channel shall have a protective coating conforming to Specification A6
31、53/A653MG60, or havea protective coating with an equivalent corrosion resistance for exterior applications, or shall be coated with a rust inhibitive paint,for interior applications, and shall have the following minimum weights in pounds per 1000 linear ft (kg/m).Sizes, in. (mm) Weight, lb/1000 ft(k
32、g/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 2Channels used in areas subject to corrosive action of salt air shall be hot-dipped galvanized, G60 coating.6.4.1 External Corner ReinforcementExpanded lath, we
33、lded wire, or woven wire mesh bent to approximately 90 used toreinforce portland cement stucco at external corners. This accessory shall be fully embedded in the stucco.FIG. 2 Saddle TieTABLE 1 Minimum Thickness of AccessoriesAccessory Base Material, in. (mm)Steel Zinc Alloy P.V.C.Corner Beads 0.017
34、2 (0.44) 0.0207 (0.53) 0.035 (0.89)Casing Beads 0.0172 (0.44) 0.0207 (0.53) 0.035 (0.89)Weep 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)C1063 17b36.4.2 Weep ScreedAccessory used to terminate portland cement based stucco at the bottom of exte
35、rior framed walls. Thisaccessory shall have a sloped, solid, or perforated, ground, or screed flange to facilitate the removal of moisture from the wallcavity, and a vertical attachment flange not less than 312 in. (89 mm) long.6.5 WireAs specified in Specification A641/A641M with a Class I zinc-coa
36、ted (galvanized), soft-temper steel. Wire diameters(uncoated) specified herein correspond with United States Steel Wire Gauge numbers as follows:Wire Gauge(US Steel WireGauge)Diameter (in.) mmNo. 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 2.03N
37、o. 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 4.126.6 Rod and Strap HangersMild steel, zinc or cadmium plated, or protected with a rust-inhibiting paint.6.7 ClipsForm from steel wire, Specification A641/A641M zinc-coated (galvanized), Specificat
38、ion A641/A641M or steelsheet, Specification A653/A653M, depending on use and manufacturers requirements.6.8 Fasteners:6.8.1 NailsFor attaching metal plaster bases to wood framing members, 0.1205-in. 11 gauge (3.06 mm) diameter, 716-in.(11 mm) head, barbed, galvanized roofing nails or galvanized comm
39、on nails.6.8.1.1 Nails for attaching metal plaster bases to solid substrates shall be not less than 34 in. (19 mm) long.6.8.2 Screws for attaching metal plaster base shall be fabricated in accordance with either Specification C954 or C1002, andshall have a 716 in. (11 mm) diameter pan wafer head and
40、 a 0.120 in. (3 mm) diameter shank. Screws used for attachment to metalframing members shall be self-drilling and self-tapping. Screws used for attachment to wood framing members shall besharp-point.6.8.3 StaplesFor attaching metal plaster bases to wood framing members, staples shall have crowns 34
41、in. (19 mm) wideminimum.“7. Installation7.1 WorkmanshipMetal furring and lathing shall be erected so that the finished plaster surfaces are true to line (allowabletolerance of 14 in. (6 mm) in 10 ft (3 m), level, plumb, square, or curved as required to receive the specified plaster thickness.7.2 Han
42、gers and Inserts:7.2.1 Hangers shall be of ample length and shall conform to the requirements of Table 2, both as to size and maximum areato be supported, except as modified in this section.7.2.2 When 1 by 316-in. (25 by 5 mm) flat inserts and hangers are used, 716-in. (11 mm) diameter holes shall b
43、e provided onthe center line at the lower end of the insert and upper end of the hanger to permit the attachment of the hanger to the insert. Theedge of the holes in both the inserts and the hangers shall be not less than 38 in. (10 mm) from the ends.7.2.3 In concrete, hangers shall be attached to i
44、nserts embedded in the concrete, or to other attachment devices designed for thispurpose, and able to develop full strength of the hanger.7.2.4 Flat, steel hangers shall be bolted to 1 by 316-in. (25 by 5 mm) inserts with 38-in. (10 mm) diameter round-head stove bolts.(See Fig. 3.)7.2.5 The nuts of
45、the bolts shall be drawn up tight.NOTE 3Hangers required to withstand upward wind pressures shall be of a type to resist compression. Struts of formed channels shall be permitted.7.3 Installation of Hangers for Suspended Ceilings Under Wood ConstructionsHangers shall be attached to framing membersby
46、 any of the following methods:7.3.1 A hole shall be drilled through the wood framing member not less than 3 in. (76 mm) above the bottom, with the upperend of the wire hanger passed through the hole and twisted three times around itself. (See Fig. 4.)7.3.2 Three 12d nails shall be driven, on a downw
47、ard slant, into the sides of the wood framing member with not less than 114in. (32 mm) penetration and not less than 5 in. (127 mm) from the bottom edges, and not more than 36 in. (914 mm) on the centerwith the upper end of the wire hanger wrapped around the nails and twisted three times around itse
48、lf. (See Fig. 5.)7.3.3 A loop shall be formed in the upper end of the wire hanger and secured to the wood framing member by four 112-in.(38 mm), not less than 9 gauge, 0.1483-in. (3.77 mm) diameter wire staples driven horizontally or on a downward slant into thesides of the wood framing members, thr
49、ee near the upper end of the loop and the fourth to fasten the loose end. (See Fig. 6.)C1063 17b4TABLE 2 Allowable Support or Hanger Wire Spacing ft-in. (mm) and Cold-Rolled Channel Main Runner Spans, ft-in. (mm)110NOTE 11 in. = 25.4 mm; 1 ft2 = 0.093 m2Member Size, in.(mm)Member Weight,lb/1000 ft (kg/m) Span Condition9,10Uniform Load = 12 psf (0.479 kPa)Member Spacing, in. (mm)24 (610) 36 (914) 48 (1220) 60 (1520) 72 (1830)Allowable Hanger Wire or Support Spacing, ft-in. (mm)112 414 Single 3-6 (1070) 3-1 (940) 2
