OS GSO ASTM C1861:2024

ASTM C1861:23a
Omani Standard   Current Edition · Approved on 25 April 2024

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

OS GSO ASTM C1861:2024 Files

OS GSO ASTM C1861:2024 Scope

This specification covers the minimum requirements for lathing and furring accessories and fasteners used as components of interior and exterior portland cement-based plaster assemblies for facilitating lathing and furring installation, cement plaster application, and functionality of the completed stucco cladding assembly. Lathing and furring accessories, and fasteners shall be free of deleterious amounts of rust, oil, or other foreign matter that could cause bond failure or unsightly discoloration; shall include key attachment flanges or solid attachment flanges; and shall be configured to accommodate application of the specified cement plaster thickness. Lathing accessories serving a drainage function shall include a drainage surface and a solid attachment flange. lathing accessories to facilitate drainage include weep screed, designated drainage screed, and perforations; lathing accessories to reinforce corners include internal corner reinforcement and external corner reinforcement; lathing accessories to reduce cracking include expansion joint and control joint; furring accessories include rod hanger, strap hanger, cold-rolled channel furring, and Z-furring.

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