Work Item
ASTM WK90021

Revision of C926-23a Standard Specification for Application of Portland Cement-Based Plaster

Rationale

The existing stucco nominal thickness requirements (which have been unchanged since 1971) require 5/8" total thickness on horizontal applications but 7/8" total on vertical applications. The difference in thickness between horizontal and vertical work does not make sense and will not provide sufficient coverage over the lath in horizontal applications. The proposed change in this ballot item increases the thickness for 3-coat horizontal work from 5/8" to 7/8".

Details

Developed by Subcommittee: C11.03

Committee: C11

Staff Manager: Jamie Huffnagle

Work Item Status

Date Initiated: 03-18-2024

Technical Contact: Matthew Innocenzi

Item: 000

Ballot:

Status: