ASTM C1861-17

Standard Specification for Lathing and Furring Accessories, and Fasteners, for Interior and Exterior Portland Cement-Based Plaster

SCOPE
1.1 This specification contains the minimum requirements for lathing and furring accessories, and fasteners, as components of interior and exterior portland cement-based plaster assemblies, used to facilitate lathing and furring installation (Specifications C1063, C1787), cement plaster application (Specification C926), and functionality of the completed stucco cladding assembly  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Historical
• Publication Date: 30-Jun-2017
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C11 - Gypsum and Related Building Materials and Systems
• Drafting Committee: C11.02 - Specifications and Test Methods for Accessories and Related Products

Relations

• Replaced By: ASTM C1861-18 - Standard Specification for Lathing and Furring Accessories, and Fasteners, for Interior and Exterior Portland Cement-Based Plaster
• Effective Date: 15-Apr-2018
• Referred By: ASTM C1063-23 - Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster
• Effective Date: 01-Jul-2017
• Referred By: ASTM C1780-23a - Standard Practice for Installation Methods for Cement-based Adhered Masonry Veneer
• Effective Date: 01-Jul-2017
• Referred By: ASTM F1667/F1667M-21a - Standard Specification for Driven Fasteners: Nails, Spikes, and Staples
• Effective Date: 01-Jul-2017
• Referred By: ASTM C1787-23 - Standard Specification for Installation of Non Metallic Plaster Bases (Lath) Used with Portland Cement Based Plaster in Vertical Wall Applications
• Effective Date: 01-Jul-2017

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C1861 −17
Standard Specification for
Lathing and Furring Accessories, and Fasteners, for Interior
1
and Exterior Portland Cement-Based Plaster
This standard is issued under the fixed designation C1861; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope truded Bars, Rods, Wire, Profiles, and Tubes
C926Specification for Application of Portland Cement-
1.1 This specification contains the minimum requirements
Based Plaster
for lathing and furring accessories, and fasteners, as compo-
C954SpecificationforSteelDrillScrewsfortheApplication
nents of interior and exterior portland cement-based plaster
of Gypsum Panel Products or Metal Plaster Bases to Steel
assemblies, used to facilitate lathing and furring installation
Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in
(Specifications C1063, C1787), cement plaster application
Thickness
(SpecificationC926),andfunctionalityofthecompletedstucco
C1002Specification for Steel Self-Piercing Tapping Screws
cladding assembly
for Application of Gypsum Panel Products or Metal
1.2 The values stated in inch-pound units are to be regarded
Plaster Bases to Wood Studs or Steel Studs
as standard. The values given in parentheses are mathematical
C1063Specification for Installation of Lathing and Furring
conversions to SI units that are provided for information only
to Receive Interior and Exterior Portland Cement-Based
and are not considered standard.
Plaster
1.3 This international standard was developed in accor-
C1787Specification for Installation of Non Metallic Plaster
dance with internationally recognized principles on standard-
Bases (Lath) Used with Portland Cement Based Plaster in
ization established in the Decision on Principles for the
Vertical Wall Applications
Development of International Standards, Guides and Recom-
D1784Specification for Rigid Poly(Vinyl Chloride) (PVC)
mendations issued by the World Trade Organization Technical
Compounds and Chlorinated Poly(Vinyl Chloride)
Barriers to Trade (TBT) Committee.
(CPVC) Compounds
D4216Specification for Rigid Poly(Vinyl Chloride) (PVC)
2. Referenced Documents
and Related PVC and Chlorinated Poly(Vinyl Chloride)
2
2.1 ASTM Standards:
(CPVC) Building Products Compounds
A240/A240MSpecification for Chromium and Chromium-
F1667SpecificationforDrivenFasteners:Nails,Spikes,and
Nickel Stainless Steel Plate, Sheet, and Strip for Pressure
Staples
Vessels and for General Applications
A580/A580MSpecification for Stainless Steel Wire
3. Terminology
A641/A641MSpecification for Zinc–Coated (Galvanized)
3.1 Definitions:
Carbon Steel Wire
3.1.1 Definitions shall be in accordance with Specification
A653/A653MSpecification for Steel Sheet, Zinc-Coated
C1063.
(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)
3.2 Definitions of Terms Specific to This Standard:
by the Hot-Dip Process
3.2.1 capture flange, n—the narrow flange element of a
B69Specification for Rolled Zinc
lathing accessory that projects from a ground and returns onto
B221Specification forAluminum andAluminum-Alloy Ex-
theexteriorstuccocladdingsurfacetoconcealthegapbetween
the ground and stucco cladding.
1
ThistestmethodisunderthejurisdictionofASTMCommitteeC11onGypsum
3.2.2 cement plaster panel area, n—the surface of a cement
and Related Building Materials and Systems and is the direct responsibility of
Subcommittee C11.02 on Specifications and Test Methods for Accessories and plaster area between lathing accessory grounds.
Related Products.
3.2.3 drainage surface, n—the sloped or non-sloped, perfo-
Current edition approved July 1, 2017. Published August 2017. DOI: 10.1520/
C1861–17.
rated or non-perforated surface element of a lathing accessory
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
that facilitates a drainage function, by directing water from
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
behind the stucco cladding to the exterior of the stucco
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. cladding.
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C1861−17
3.2.4 drip flange, n—the narrow flange element of a lathing drainage, to reduce cracking by accommodating movement, to
accessory that facilitates a drainage function, projects from a separate cement plaster from dissimilar materials, load bearing
drainage surface and directs water to the exterior of the stucco members and penetrating elements, and to provide an edge,
cladding. end, or t
...