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ASTM C 1325 : 2008 : REV B

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-12-2008

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 C 1397), the Application of Direct-Applied Finish Systems (Practice C 1516), and the Application of Exterior Insulation Finish Systems Class PI (Practice C 1535).

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

1.2 This specification is not applicable to asbestos-cement flat sheets (Specification C 220); non-asbestos fiber cement flat sheets for exterior applications such as claddings, facades, curtain walls, and soffits (Specification C 1186); gypsum backing board, coreboard, and shaftliner (Specification C 442); water-resistant gypsum backing board (Specification C 630); glass mat gypsum backing board (Specification C 1178); particle boards (Definitions D 1554); and discrete non-asbestos fiber cement interior substrate sheets (Specification C 1288).

1.3 UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Committee
C 17
DocumentType
Standard
Pages
5
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM C 1288 : 2017 Standard Specification for Fiber-Cement Interior Substrate Sheets
ASTM C 1535 : 2005 : R2017 Standard Practice for Application of Exterior Insulation and Finish Systems Class PI
ASTM C 1186 : 2008 : R2016 Standard Specification for Flat Fiber-Cement Sheets
ASTM C 1780 : 2018 : REV A Standard Practice for Installation Methods for Adhered Manufactured Stone Masonry Veneer
ASTM C 1516 : 2005 : R2017 Standard Practice for Application of Direct-Applied Exterior Finish Systems
ASTM C 1185 : 2008 : R2016 Standard Test Methods for Sampling and Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing and Siding Shingles, and Clapboards
ASTM C 1732 : 2015 Standard Practice for Installation of Concrete Floor Tiles

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