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ASTM C1177/C1177M-24 Standard specification for glass mat gypsum substrate for use as sheathing

Publication Year

2024

Document Status

Current

Abstract

Specifies requirements for glass mat gypsum substrates designed to be used as exterior substrate or sheathing for weather barriers.

Document History

Supersedes ASTM C1177/C1177M-17.

Publisher Information

American Society for Testing and Materials

ASTM International offers global access to standards development for over 140 participating countries.