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ASTM C1325-99

Historical Revision

Standard Specification for Fiber-Mat Reinforced Cementitious Backer Units

$73.00

$73.00

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1.1 This specification covers fiber-mat reinforced cement substrate sheets 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 in internal wet and dry areas.

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 C220); non-asbestos fiber cement flat sheets for exterior applications such as claddings, facades, curtain walls, and soffits (Specification C1185); gypsum backing board and coreboard (Specification C442); water-resistant gypsum backing board (Specification C630); glass mat gypsum backing board (Specification C1178); particle boards (Definitions D1554); and discrete non-asbestos fiber cement interior substrate sheets (Specification C1288).

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only.


SDO ASTM: ASTM International
Document Number C1325
Publication Date Nov. 10, 1999
Language en - English
Page Count 4
Revision Level 99
Supercedes
Committee C17.01
Publish Date Document Id Type View
June 15, 2022 C1325-22E01 Revision
June 15, 2022 C1325-22 Revision
July 1, 2021 C1325-21 Revision
Aug. 1, 2019 C1325-19 Revision
July 1, 2018 C1325-18 Revision
June 1, 2017 C1325-17A Revision
Jan. 1, 2017 C1325-17 Revision
Aug. 15, 2014 C1325-14 Revision
Dec. 1, 2008 C1325-08B Revision
Nov. 1, 2008 C1325-08A Revision
March 1, 2008 C1325-08 Revision
March 1, 2004 C1325-04 Revision
Nov. 10, 1999 C1325-99 Revision