1、Designation: C1063 18bStandard 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 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 U.S. Department of Defense.1. Scope*1
3、.1 This specification covers the minimum technical re-quirements for lathing and furring for the application ofexterior and interior portland cement-based plaster, as inSpecifications C841 or C926. These requirements do not bydefault define a unit of work or assign responsibility forcontractual purp
4、oses, which is the purview of a contract orcontracts made between contracting entities.1.2 Where a fire resistance rating is required for plasteredassemblies and constructions, details of construction shall be inaccordance with reports of fire tests of assemblies that havemet the requirements of the
5、 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 tests conducted inrecognized testing laboratories in accordance with the appli-cable requirements of Test Me
6、thod 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 onlyand are not considered standard.1.5 This international standard was developed in accor-dance with internatio
7、nally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A653/A653M
8、 Specification for Steel Sheet, Zinc-Coated(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)by the Hot-Dip ProcessC11 Terminology Relating to Gypsum and Related BuildingMaterials and SystemsC841 Specification for Installation of Interior Lathing andFurringC847 Specification for Metal LathC926 Sp
9、ecification for Application of Portland Cement-Based PlasterC933 Specification for Welded Wire LathC1032 Specification for Woven Wire Plaster BaseC1280 Specification for Application of Exterior GypsumPanel Products for Use as SheathingC1861 Specification for Lathing and Furring Accessories,and Faste
10、ners, for Interior and Exterior Portland Cement-Based PlasterE90 Test Method for Laboratory Measurement of AirborneSound Transmission Loss of Building Partitions andElements2.2 US Department of Commerce (DOC) StandardsPS 1 Voluntary Product Standard PS 1, Structural PlywoodPS 2 Voluntary Product Sta
11、ndard PS 2, Performance Stan-dard for Wood-Based Structural Use Panels3. Terminology3.1 Definitions:3.1.1 For definitions relating to ceilings and walls, seeTerminology C11.3.1.2 For definitions relating to lathing accessories. furringaccessories and fasteners, see Specification C1861.3.2 Definition
12、s of Terms Specific to This Standard:3.2.1 building enclosure, nsystem of building assembliesand materials designed and installed in such a manner as toprovide a barrier between different environments.1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building M
13、aterials and Systems and is the direct responsibilityof Subcommittee C11.03 on Specifications for theApplication of Gypsum and OtherProducts in Assemblies.Current edition approved June 1, 2018. Published July 2018. Originally approvedin 1986. Last previous edition approved in 2018 as C1063 18a. DOI:
14、 10.1520/C1063-18B.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, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at t
15、he end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for
16、theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.13.2.2 control joint, na joint that accommodates movementof plaster shrinkage and curing along predetermined, usuallystraight, lines.3.2.3 expansio
17、n joint, na joint that accommodates move-ment beyond plaster shrinkage and curing.NOTE 1For design consideration of control and expansion joints, seeAnnex A2.3.1.2 of Specification C926.3.2.4 framing member, nstuds, joist, runners (track),bridging, bracing, and related accessories manufactured orsup
18、plied in wood or light gauge steel.3.2.5 hangers, nwires or steel rods or straps used tosupport main runners for suspended ceilings beneath floor orroof constructions.3.2.6 inserts, ndevices embedded in concrete framingmembers to provide a loop or opening for attachment ofhangers.3.2.7 saddle tie, n
19、see Figs. 1 and 2.3.2.8 self-furring, adja metal plaster base manufacturedwith evenly-spaced indentations that hold the body of the lathapproximately14 in. (6 mm) away from solid surfaces towhich it is installed.3.2.9 water resistive barrier, na material that resists theinfiltration of liquid moistu
20、re through the building enclosuresystem.4. Delivery and Storage of Materials4.1 Delivery of Materials:4.1.1 All materials shall be delivered in the originalpackages, containers, or bundles bearing the brand-name andmanufacturers (or suppliers) identification.4.2 Storage of Materials:4.2.1 All materi
21、als shall be kept dry. Materials shall bestacked off the ground, supported on a level platform, andprotected from the weather and surface contamination.4.2.2 Materials shall be neatly stacked with care taken toavoid damage to edges, ends, or surfaces.4.2.3 Paper backed metal plaster bases shall be h
22、andledcarefully in delivery, storage, and erection to prevent punctur-ing or removal of paper.5. Materials5.1 Metallic materials including lathing, lathing accessories,furring, furring accessories, and fasteners shall be selected forcompatibility to minimize galvanic corrosion between adjacentmetall
23、ic materials installed in the cement plaster claddingassembly.5.2 Metal Plaster Bases:5.2.1 Expanded Metal LathSpecification C847, galva-nized.5.2.2 Wire Laths:5.2.2.1 Welded Wire LathSpecification C933.5.2.2.2 Woven Wire LathSpecification C1032.5.2.2.3 Paper Backed Plaster BasesSpecification C847.5
24、.3 Lathing Accessories, Furring Accessories and Fasten-ers:5.3.1 Lathing Accessories, Furring Accessories andFastenersSpecification C1861.5.3.2 The selection of an appropriate type of material forlathing accessories shall be based upon applicable surroundingclimatic and environmental conditions spec
25、ific to the projectlocation, such as salt air, industrial pollution, high moisture, orhumidity.6. Requirements for Substrates to Receive Metal Lathingand Furring6.1 Framed, or Framed and Sheathed Substrates:6.1.1 Framing member deflection shall not exceed L/360(0.33 in. in 10 ft).6.1.2 Plywood and o
26、riented strand board sheathing panelsshall be marked in accordance with DOC PS1 or DOC PS 2.6.1.3 Plywood and oriented strand board sheathing panelsshall be installed with18 in. (3 mm) minimum panel edge gaps,and panel edges shall be offset 4 in. (10 cm) minimum fromwall opening reentrant corners.6.
27、1.4 Wood framing members, plywood and oriented strandboard sheathing panels shall have a moisture content not toexceed 19 % immediately before plastering.6.1.5 Exterior gypsum sheathing panels shall be installed incompliance with Specification C1280.7. Installation7.1 WorkmanshipMetal lathing, lathi
28、ng accessories,furring, and furring accessories shall be erected so that theFIG. 1 Saddle TieFIG. 2 Saddle TieC1063 18b2finished cement plaster surfaces are true to line (allowabletolerance of14 in. (6 mm) in 10 ft (3 m), level, plumb, square,or curved as required to receive the specified cement pla
29、sterthickness.7.2 Hangers and Inserts:7.2.1 Hangers shall be of ample length and shall conform tothe requirements of Table 1, both as to size and maximumcement plaster panel area to be supported, except as modifiedin this section.7.2.2 When strap hangers are used,716-in. (11 mm) diam-eter holes shal
30、l be provided on the center line at the upper endof the strap hanger to permit the attachment of the strap hanger.The edge of the holes in the strap hangers shall be not less than38 in. (10 mm) from the ends.7.2.3 In concrete, rod or strap hangers shall be attached toinserts embedded in the concrete
31、, or to other attachmentdevices designed for this purpose, and able to develop fullstrength of the hanger.7.2.4 Strap hangers shall be bolted with machine bolts. (SeeFig. 3.)7.2.5 The nuts of the machine bolts shall be drawn up tight.NOTE 2Hangers required to withstand upward wind pressures shall be
32、of 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 framingmembers by any of the following methods:7.3.1 A hole shall be drilled through the wood framingmember not less tha
33、n 3 in. (76 mm) above the bottom, with theupper end of the wire hanger passed through the hole andtwisted three times around itself. (See Fig. 4.)7.3.2 Three 12d nails shall be driven, on a downward slant,into the sides of the wood framing member with not less than114 in. (32 mm) penetration and not
34、 less than 5 in. (127 mm)from the bottom edges, and not more than 36 in. (914 mm) onthe center with the upper end of the wire hanger wrappedaround the nails and twisted three times around itself. (See Fig.5.)7.3.3 A loop shall be formed in the upper end of the wirehanger and secured to the wood fram
35、ing member by four112-in. (38 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 framing members, three nearthe upper end of the loop and the fourth to fasten the loose end.(See Fig. 6.)7.3.4 Where framing member
36、s for flooring are thicker than112 in. (38 mm) and are spaced more than 4 ft (1.2 m) oncenter, eye screws (or equivalent), spaced not more than 3 ft(914 mm) on centers shall be screwed into the flooring framingmembers with the upper end of the wire hanger insertedthrough the eye screws and twisted t
37、hree times 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 framing memberswith 12d nails driven through the holes and clinched. NailsTABLE 1 Allowable Support or Hanger Wire Spacing ft-in. (mm) and Cold-Rolled Channel Furring Mai
38、n Runner Spans, ft-in. (mm)17Member Size, in.(mm)Member Weight,lb/1000 ft (kg/m)Span Condition6,7Uniform 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) 2-9 (840)
39、2-9 (790) 2-5 (740)(38) (0.615) 2 or More 4-11 (1500) 4-2 (1270) 3-7 (1090) 3-2 (970) 2-11 (890)2 506 Single 3-9 (1140) 3-3 (990) 3-0 (910) 2-9 (840) 2-8 (810)(51) (0.753) 2 or More 5-2 (1570) 4-6 (1370) 4-1 (1240) 3-10 (1170) 3-7 (1090)212 597 Single 3-11 (1190) 3-5 (1040) 3-2 (970) 2-11 (890) 2-9
40、(840)(64) (0.888) 2 or More 5-5 (1650) 4-9 (1450) 4-4 (1320) 4.0 (1220) 3-10 (1170)Member Size, in.(mm)Member Weight,lb/1000 ft (kg/m)Span Condition6,7Uniform Load = 15 psf (0.287 kPa)Member Spacing, in. (mm)24 (610) 36 (914) 48 (1220) 60 (1520) 72 (1830)112 414 Single 3-3 (990) 2-10 (860) 2-7 (790)
41、 2-4 (710) 2-2 (660)(38) (0.616) 2 or More 4-6 (1370) 3-8 (1120) 3-2 (970) 2-10 (860) 2-7 (790)2 506 Single 3-6 (1070) 3-1 (940) 2-10 (880) 2-7 (790) 2-5 (740)(51) (0.753) 2 or More 4-10 (1470) 4-3 (1300) 3-10 (1170) 3-6 (1070) 3-3 (990)212 597 Single 3-8 (1120) 3-3 (990) 2-11 (890) 2-9 (840) 2-7 (7
42、90)(64) (0.888) 2 or More 5-0 (1520) 4-5 (1350) 4-0 (1220) 3.9 (1140) 3-6 (1070)Allowable Spans Notes:1Spans based on upper flange of main runners laterally unbraced.2Maximum deflection limited to 1/360 of the span length.3Uniform load 12 psf (dry density) shall be used for portland cement plaster c
43、eilings with plaster thicknesses up to78 in. (22 mm) and 15 psf shall be used forceilings with plaster thicknesses over78 in. (22 mm) and not more than 114 in. (32 mm).4“2 or More” spans refers to two or more continuous, equal spans.5For the “2 or More” span condition, listed spans represent the cen
44、ter-to-center distance between adjacent framing members.6These tables are designed for dead loads. Specific conditions such as exterior installations in high wind areas require additional engineering.7Where uplift resistance is required for suspended ceilings to resist negative forces, the architect
45、 or engineer of record shall select the method to be used.C1063 18b3shall be not less than 3 in. (76 mm) above the bottom edge ofthe framing member. (See Fig. 7.)7.4 Attachment of Hangers to Cold-rolled Channel FurringMain Runners:7.4.1 Wire hangers shall be saddle-tied to cold-rolled chan-nel furri
46、ng main runners. (See Fig. 1.)7.4.2 Smooth or threaded rod hangers shall be fastened tocold-rolled channel furring main runners with special attach-ments appropriate to the design.7.4.3 The lower ends of strap hangers shall be bolted tocold-rolled channel furring main runners, or bent tightlyaround
47、the cold-rolled channel furring main runners andcarried up and above the cold-rolled channel furring mainrunners and bolted to the main part of the hanger. (See Fig. 3.)7.5 Installation of Cold-rolled Channel Furring Main Run-ners:7.5.1 Minimum sizes and maximum spans and spacings ofcold-rolled chan
48、nel furring main runners for the various spansbetween hangers or other framing members shall be in accor-dance with the requirements of Table 1.7.5.2 A clearance of not less than 1 in. (25 mm) shall bemaintained between the ends of the cold-rolled channel furringmain runners and the abutting masonry
49、 or the concrete walls,partitions, and columns. Where special conditions require thatcold-rolled channel furring main runners let into abuttingmasonry or concrete construction, within such constructionsmaintain a clearance of not less than 1 in. (25 mm) from theends and not less than14 in. (6 mm) from the tops and sidesof the cold-rolled channel furring main runners.7.5.3 A cold-rolled channel furring main runner shall belocated within 6 in. (152 mm) of the paralleling walls tosupport the ends of the cold-rolled channel cross furring. Theends
