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This specification covers welded wire lath, flat or self-furring, with or without backing, designed for use as a base to receive Portland cement-based interior plaster and exterior stucco. Welded wire lath shall be fabricated from cold-drawn, galvanized steel wire, conforming to the referenced specification. The wire shall be zinc-coated and the backling shall be attached to the lath to prevent accidental removal during shipping, handling, or installation. The thickness of the embedment of the lath and plaster shall be measured from the back plane of the back wire, exclusive for furring, to the backing or surface of the substrate.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers welded wire lath, flat or self-furring, with or without backing, designed for use as a base to receive portland cement-based interior plaster and exterior stucco.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A641/A641M Specification for Zinc-Coated (Galvanized) Carbon Steel Wire
C11 Terminology Relating to Gypsum and Related Building Materials and Systems
E2556/E2556M Specification for Vapor Permeable Flexible Sheet Water-Resistive Barriers Intended for Mechanical Attachment
Federal SpecificationsUU-B-790 Building Paper, Vegetable Fiber: (Kraft, Waterproofed, Water Repellent and Fire Resistant) Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)
UNSPSC Code 30151805(Stucco)
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ASTM C933-18, Standard Specification for Welded Wire Lath, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top