Work Item
ASTM WK91681

Revision of C991-23 Standard Specification for Flexible Fibrous Glass Insulation for Metal Buildings

Rationale

Section 6.2 covering faced insulation is being revised to better spell out the Specification C1136 requirement, including exception for non-vapor retarding applications. Section 4.1.1 and Note 1 are also revised as appropriate to that change.
Also, a definition for “tab” is being added.
Only the above-noted sections are being considered in voting on this ballot item. Thank you.

Details

Developed by Subcommittee: C16.23

Committee: C16

Staff Manager: Mary Mikolajewski

Work Item Status

Date Initiated: 07-19-2024

Technical Contact: Michael Smith