Work Item
ASTM WK92607

Revision of C1658/C1658M-19e1 Standard Specification for Glass Mat Gypsum Panels

Rationale

Due to the changes in the "nominal thickness" definition in C11, this standard requires revising to the thickness sections. Potentially "Thickness - The nominal thickness shall be 1/2 in.[12.7 mm] with tolerances in the thickness of +/- 0.015 in. [+/- 0.40mm] with local variations of +/- 0.030 in. [0.80 mm].

Details

Developed by Subcommittee: C11.01

Committee: C11

Staff Manager: Jamie Huffnagle

Work Item Status

Date Initiated: 10-24-2024

Technical Contact: Rathisha Sabaratnam

Item: 001

Ballot: C11 (25-02)

Status: Will Reballot Item