ASTM C1861-23a

Detail information

Designation: ASTM C1861-23a

Publication date: 01/10/2023

Pages: 11

Country: American technical standard

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Anotation

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.


Keywords:
adhesive, casing bead, cement plaster, control joint, corner reinforcement, drainage screed, expansion joint, fastener, furring accessory, lathing accessory, nail, screw, staple, U-Channel furring, weep screed,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)