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ASTM C1325-25 Standard specification for fiber-mat reinforced cementitious backer units

Publication Year

2025

Document Status

Current

Abstract

Specifies non-asbestos fiber-mat reinforced cementitious backer units manufactured to be dimensionally stable.

Document History

Supersedes ASTM C1325-22e1.

Publisher Information

American Society for Testing and Materials

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