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ASTM C1325-19 + Redline

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Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units

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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.

Author ASTM
Editor ASTM
Document type Standard
Format File
ICS 91.100.40 : Products in fibre-reinforced cement
Number of pages 5
Replace ASTM C1325-18 + Redline
Year 2019
Document history ASTM C1325-18 + Redline
ASTM C1325-17a + Redline
ASTM C1325-17 + Redline
ASTM C1325-14 + Redline
ASTM C1325-08b + Redline
ASTM C1325-08a + Redline
Country USA
Keyword ASTM 1325;ASTM C1325;ASTM C1325;10.1520/C1325-19