ASTM C1325-21

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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 in wet and dry areas. It is also suitable to be used as a substrate in the Application of Class PB Exterior Insulation Finish Systems (Practice C1397), the Application of Direct-Applied Finish Systems (Practice C1516), and the Application of Exterior Insulation Finish Systems Class PI (Practice C1535).

Note 1:When used as an unfinished substrate, consult the manufacturer’s written installation literature for proper application details.

Product Details

Published:
07/01/2021
Number of Pages:
5
File Size:
1 file , 91 KB
Redline File Size:
2 files , 160 KB