1.1?This specification covers non-asbestos fiber-mat reinforced cementitious backer units manufactured to be dimensionally stable and suitable as either an unfinished substrate (see Note 1) or as a substrate for decoration such as natural stone or tile on walls, floors, or decks
ASTM C1325-21 history
2022ASTM C1325-22e1 Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units
2022ASTM C1325-22 Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units
2021ASTM C1325-21 Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units
2019ASTM C1325-19 Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units
2018ASTM C1325-18 Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units
2017ASTM C1325-17a Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
2017ASTM C1325-17 Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
2014ASTM C1325-14 Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
2008ASTM C1325-08b Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
2008ASTM C1325-08a Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
2008ASTM C1325-08 Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
2004ASTM C1325-04 Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cement Substrate Sheets
1999ASTM C1325-99 Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cement Interior Substrate Sheets