ASTM C1063-14d

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Designation:C1063 −14d
StandardSpecification for
Installation of Lathing and Furring to Receive Interior and
Exterior Portland Cement-Based Plaster
This standard is issued under the fixed designation C1063; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript 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* C11 Terminology Relating to Gypsum and Related Building
Materials and Systems
1.1 This specification covers the minimum requirements for
C841 Specification for Installation of Interior Lathing and
lathing and furring for the application of exterior and interior
Furring
portland cement-based plaster, as in Specifications C841 or
C847 Specification for Metal Lath
C926.
C926 Specification for Application of Portland Cement-
1.2 Where a fire resistance rating is required for plastered
Based Plaster
assembliesandconstructions,detailsofconstructionshallbein
C933 Specification for Welded Wire Lath
accordance with reports of fire tests of assemblies that have
C954 SpecificationforSteelDrillScrewsfortheApplication
met the requirements of the fire rating imposed.
of Gypsum Panel Products or Metal Plaster Bases to Steel
1.3 Where a specific degree of sound control is required for Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in
Thickness
plastered assemblies and constructions, details of construction
shallbeinaccordancewithofficialreportsoftestsconductedin C1002 Specification for Steel Self-Piercing Tapping Screws
for Application of Gypsum Panel Products or Metal
recognized testing laboratories in accordance with the appli-
cable requirements of Test Method E90. Plaster Bases to Wood Studs or Steel Studs
C1032 Specification for Woven Wire Plaster Base
1.4 The values stated in inch-pound units are to be regarded
D1784 Specification for Rigid Poly(Vinyl Chloride) (PVC)
as standard. The values given in parentheses are mathematical
Compounds and Chlorinated Poly(Vinyl Chloride)
conversions to SI units that are provided for information only
(CPVC) Compounds
and are not considered standard.
D4216 Specification for Rigid Poly(Vinyl Chloride) (PVC)
and Related PVC and Chlorinated Poly(Vinyl Chloride)
2. Referenced Documents
(CPVC) Building Products Compounds
2.1 ASTM Standards:
E90 Test Method for Laboratory Measurement of Airborne
A641/A641M Specification for Zinc–Coated (Galvanized)
Sound Transmission Loss of Building Partitions and
Carbon Steel Wire
Elements
A653/A653M Specification for Steel Sheet, Zinc-Coated
(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)
3. Terminology
by the Hot-Dip Process
3.1 Definitions—For definitions relating to ceilings and
B69 Specification for Rolled Zinc
walls, see Terminology C11.
B221 Specification forAluminum andAluminum-Alloy Ex-
truded Bars, Rods, Wire, Profiles, and Tubes 3.2 Definitions of Terms Specific to This Standard:
3.2.1 barrier wall, n—typeofwallsystemthatisintendedto
block or interrupt the movement of water to the interior.
This specification is under the jurisdiction of ASTM Committee C11 on
3.2.2 building enclosure, n—system of building assemblies
Gypsum and Related Building Materials and Systems and is the direct responsibility
and materials designed and installed in such a manner as to
ofSubcommitteeC11.03onSpecificationsfortheApplicationofGypsumandOther
provide a barrier between different environments.
Products in Assemblies.
Current edition approved Aug. 15, 2014. Published November 2014. Originally
3.2.3 control joint, n—a joint that accommodates movement
approved in 1986. Last previous edition approved in 2014 as C1063 – 14c. DOI:
of plaster shrinkage and curing along predetermined, usually
10.1520/C1063-14D.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
straight, lines.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3.2.4 drainage plane, n—surface between the back of the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. cladding and the front of the water barrier which resists liquid
*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
C1063−14d
moisture infiltration and provides for gravitational flow to a
collection or exhaust location.
3.2.5 drainage space, n—volumetric area that allows the
gravitational flow of liquid moisture to a collection or exhaust
location.
3.2.6 drainage wall, n—a wall system in which the cladding
providesasubstantialbarriertowaterintrusion,andwhichalso
incorporates a concealed water resistive barrier over which
drainage will occur.
3.2.7 expansion joint, n—a joint that accommodates move-
ment beyond plaster shrinkage and curing.
NOTE 1—For design consideration of control and expansion joints, see
FIG. 2Saddle Tie
Annex A2.3.1.2 of Specification C926.
3.2.8 framing member, n—studs, joist, runners (track),
bridging, bracing, and related accessories manufactured or
5. Storage of Materials
supplied in wood or light gauge steel.
5.1 All materials shall be kept dry. Materials shall be
3.2.9 hangers, n—wires or steel rods or straps used to
stacked off the ground, supported on a level platform, and
support main runners for suspended ceilings beneath floor or
protected from the weather and surface contamination.
roof constructions.
5.2 Materials shall be neatly stacked with care taken to
3.2.10 inserts, n—devices embedded in concrete structural
avoid damage to edges, ends, or surfaces.
members to provide a loop or opening for attachment of
hangers. 5.3 Paper backed metal plaster bases shall be handled
carefully in delivery, storage, and erection to prevent punctur-
3.2.11 saddle tie, n—see Figs. 1 and 2.
ing or removal of paper.
3.2.12 self-furring, adj—a metal plaster base manufactured
with evenly-spaced indentations that hold the body of the lath
6. Materials
approximately ⁄4 in. (6.4 mm) away from solid surfaces to
6.1 Metal Plaster Bases:
which it is applied.
6.1.1 Expanded Metal Lath—Specification C847, galva-
3.2.13 water resistive barrier, n—a material that resists the
nized.
infiltration of liquid moisture through the building enclosure
6.1.2 Wire Laths:
system.
6.1.2.1 Welded Wire Lath—Specification C933.
3.2.14 water barrier system, n—a combination of water 6.1.2.2 Woven Wire Lath—Specification C1032.
barrier assemblies that prevent the infiltration of liquid mois-
6.1.2.3 Paper Backed Plaster Bases—Specification C847.
ture through the building enclosure system, and facilitates its
6.2 Accessories:
gravitational flow to a collection or exhaust location.
6.2.1 General—All accessories shall have perforated or
expanded flanges or clips shaped to permit complete embed-
4. Delivery of Materials
ment in the plaster, to provide means for accurate alignment,
4.1 All materials shall be delivered in the original packages,
and to secure attachment of the accessory to the underlying
containers, or bundles bearing the brand-name and manufac-
surface.Accessories shall be designed to receive application of
turer’s (or supplier’s) identification.
the specified plaster thickness.
6.2.2 Accessories shall be fabricated from ZincAlloy (99 %
pure zinc), galvanized (zinc-coated) steel, rigid PVC or CPVC
plastic, or anodized aluminum alloy (see Specification B221).
(See Table 1 for minimum allowable thicknesses.)
NOTE 2—The 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.
TABLE 1 Minimum Thickness of Accessories
Base Material, in. (mm)
Accessory
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)
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)
FIG. 1Saddle Tie
C1063−14d
6.2.3 Steel—Specification A653/A653M and shall have a or steel sheet, Specification A653/A653M, depending on use
G60 coating. and manufacturer’s requirements.
6.2.4 PVC Plastic—Specification D1784 or D4216.
6.7 Fasteners:
6.2.5 Zinc Alloy—Specification B69, 99 % pure zinc.
6.7.1 Nails—For attaching metal plaster bases to wood
6.2.6 Thickness of base material shall be as shown in Table 7
supports, 0.1205-in. 11 gauge (3.06-mm) diameter, ⁄16-in.
1.
(11.1-mm)head,barbed,galvanizedroofingnailsorgalvanized
2 2
6.2.7 Cornerite—1.75 lb/yd (0.059 kg/m ), galvanized ex-
common nails.
2 2
panded metal lath, 1.7 lb/yd (0.057 kg/m ) galvanized woven
6.7.1.1 Nails for attaching metal plaster bases to solid
or welded wire fabric of 0.0410 in. (1.04 mm) wire. When
substrates shall be not less than ⁄4 in. (19 mm) long.
shaped for angle reinforcing, it shall have outstanding flanges
6.7.2 Screws for attaching metal plaster base shall be
(legs) of not less than 2 in. (51 mm).
fabricated in accordance with either Specification C954 or
C1002, and shall have a ⁄16 in. (11.1 mm) diameter pan wafer
6.3 Channels—Shall be cold-formed from steel with mini-
head and a 0.120 in. (3.0 mm) diameter shank. Screws used for
mum 33 000 psi (228 MPa) yield strength and 0.0538 in.
attachment to metal framing members shall be self-drilling and
(1.37 mm) minimum bare steel thickness. Channel shall have a
self-tapping. Screws used for attachment to wood framing
protective coating conforming to Specification A653/
members shall be sharp-point.
A653M–G60, or have a protective coating with an equivalent
corrosionresistanceforexteriorapplications,orshallbecoated
7. Installation
with a rust inhibitive paint, for interior applications, and shall
havethefollowingminimumweightsinpoundsper1000linear
7.1 Workmanship—Metal furring and lathing shall be
ft (kg/m).
erected so that the finished plaster surfaces are true to line
Sizes, in. (mm) Weight, lb/1000 ft Flange Width, in. (mm)
(allowable tolerance of ⁄4 in. (6.4 mm) in 10 ft (3.05 m)),
(kg/m)
level, plumb, square, or curved as required to receive the
3 1
⁄4 (19) 277 (0.412) ⁄2 (13)
1 1 specified plaster thickness.
1 ⁄2 (38) 414 (0.616) ⁄2 (13)
2 (51) 506 (0.753) ⁄2 (13)
7.2 Hangers and Inserts:
1 1
2 ⁄2 (64) 597 (0.888) ⁄2 (13)
7.2.1 Hangers shall be of ample length and shall conform to
NOTE 3—Channels used in areas subject to corrosive action of salt air
the requirements of Table 2, both as to size and maximum area
shall be hot-dipped galvanized, G60 coating.
to be supported, except as modified in this section.
6.3.1 External Corner Reinforcement—Expanded lath, 3
7.2.2 When 1 by ⁄16-in. (25 by 4.8-mm) flat inserts and
welded wire, or woven wire mesh bent to approximately 90° 7
hangers are used, ⁄16-in. (11.1-mm) diameter holes shall be
used to reinforce portland cement stucco at external corners.
provided on the center line at the lower end of the insert and
This accessory shall be fully embedded in the stucco.
upper end of the hanger to permit the attachment of the hanger
6.3.2 Weep Screed—Accessory used to terminate portland
to the insert. The edge of the holes in both the inserts and the
cement based stucco at the bottom of exterior framed walls.
hangers shall be not less than ⁄8 in. (9.5 mm) from the ends.
Thisaccessoryshallhaveasloped,solid,orperforated,ground,
7.2.3 In concrete, hangers shall be attached to inserts
or screed flange to facilitate the removal of moisture from the
embedded in the concrete, or to other attachment devices
wall cavity, and a vertical attachment flange not less than
designed for this purpose, and able to develop full strength of
3 ⁄2 in. (89 mm) long.
the hanger.
7.2.4 Flat,steelhangersshallbeboltedto1by ⁄16-in.(25by
6.4 Wire—As specified in Specification A641/A641M with
4.8-mm) inserts with ⁄8-in. (9.5-mm) diameter round-head
a Class I zinc-coated (galvanized), soft-temper steel. Wire
stove bolts. (See Fig. 3.)
diameters (uncoated) specified herein correspond with United
7.2.5 The nuts of the bolts shall be drawn up tight.
States Steel Wire Gauge numbers as follows:
Wire Gauge
NOTE4—Hangersrequiredtowithstandupwardwindpressuresshallbe
(US Steel Wire Diameter (in.) mm
of a type to resist compression. Struts of formed channels shall be
Gauge)
permitted.
No. 20 0.0348 .88
No. 19 0.0410 1.04
7.3 Installation of Hangers for Suspended Ceilings Under
No. 18 0.0475 1.21
Wood Constructions—Hangers shall be attached to supports by
No. 17 0.0540 1.37
any of the following methods:
No. 16 0.0625 1.59
No. 14 0.0800 2.03
7.3.1 A hole shall be drilled through the wood member not
No. 13 0.0915 2.32
less than 3 in. (76 mm) above the bottom, with the upper end
No. 12 0.1055 2.68
of the wire hanger passed through the hole and twisted three
No. 11 0.1205 3.06
No. 10 0.1350 3.43
times around itself. (See Fig. 4.)
No. 9 0.1483 3.77
7.3.2 Three 12d nails shall be driven, on a downward slant,
No. 8 0.1620 4.12
into the sides of the wood member with not less than 1 ⁄4 in.
6.5 Rod and Strap Hangers—Mild steel, zinc or cadmium
(31.8 mm) penetration and not less than 5 in. (127 mm) from
plated, or protected with a rust-inhibiting paint.
the bottom edges, and not more than 36 in. (914 mm) on the
6.6 Clips—Form from steel wire, Specification A641/ center with the upper end of the wire hanger wrapped around
A641M zinc-coated (galvanized), Specification A641/A641M the nails and twisted three times around itself. (See Fig. 5.)
C1063−14d
1–10
TABLE 2 Allowable Support or Hanger Wire Spacing ft-in. (mm) and Cold-Rolled Channel Main Runner Spans, ft-in. (mm)
2 2
NOTE 1—1 in. = 25.4 mm; 1 ft = 0.093 m
Uniform Load = 12 psf (0.479 kPa)
Member Spacing, in. (mm)
Member Size, in. Member Weight,
9,10
Span Condition
(mm) lb/1000 ft (kg/m)
24 (610) 36 (914) 48 (1220) 60 (1520) 72 (1830)
Allowable Hanger Wire or Support Spacing, ft-in. (mm)
1 ⁄2 414 Single 3-6 (1070) 3-1 (940) 2-9 (840) 2-9 (790) 2-5 (740)
(38.1) (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)
(50.8) (0.753) 2 or More 5-2 (1570) 4-6 (1370) 4-1 (1240) 3-10 (1170) 3-7 (1090)
2 ⁄2 597 Single 3-11 (1190) 3-5 (1040) 3-2 (970) 2-11 (890) 2-9 (840)
(63.5) (0.888) 2 or More 5-5 (1650) 4-9 (1450) 4-4 (1320) 4.0 (1220) 3-10 (1170)
Uniform Load = 15 psf (0.287 kPa)
Member Size, in. Member Weight,
9,10
Span Condition Member Spacing, in. (mm)
(mm) lb/1000 ft (kg/m)
24 (610) 36 (914) 48 (1
...