Work Item
ASTM WK74838

Revision of C1280-18 Standard Specification for Application of Exterior Gypsum Panel Products for Use as Sheathing


None Provided


Revise section specifically the 4-inch minimum requirement to allow gypsum sheathing to be properly flashed at openings and preferably located so that no joint will align with an edge of the opening. As well as a revision to remove section 8.2.7s 24-hour limitation.


Developed by Subcommittee: C11.03

Committee: C11

Staff Manager: Stephen Mawn

Work Item Status

Date Initiated: 11-17-2020

Technical Contact: Fabio E Esguerra

Item: 002

Ballot: C11.03 (21-03)

Status: Will Reballot Item

Item: 001

Ballot: C11.03 (21-03)

Status: Will Reballot Item