ASTM-C1178 › Historical Revision Information
Standard Specification for Coated Glass Mat Water-Resistant Gypsum Backing Panel

ASTM-C1178 - 2013 EDITION - SUPERSEDED -- See the following: ASTM-C1178/C1178M
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This specification covers coated glass mat water-resistant gypsum backing panel designed for use on ceilings and walls in bath and shower areas as a base for the application of ceramic or plastic tile. Coated glass mat water-resistant gypsum backing panel shall consist of a noncombustible water-resistant gypsum core, surfaced with glass mat, partially or completely embedded in the core, and with a water-resistant coating on one surface. The specimens shall be tested for flexural strength, humidified deflection, core hardness, end hardness, edge hardness, nail pull resistance, water resistance, and surface water absorption. Coated glass mat water-resistant gypsum backing panel shall have surfaces true and free of imperfections that render the panel unfit for its designed use.

ORDER

Scope

1.1 This specification covers coated glass mat water-resistant gypsum backing panel designed for use on ceilings and walls in bath and shower areas as a base for the application of ceramic or plastic tile.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Within the text, the SI units are shown in brackets.

1.3 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

Keywords

bath; ceilings; ceramic or plastic tile; construction; core; end and edge hardness; fire-resistant; flexural strength; glass mat; gypsum; humidified deflection; immersion; nail pull resistance; shower; surface water absorption; type X; walls; water absorption; water resistance; water-resistant; ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

To find similar documents by ASTM Volume:

04.01 (Cement; Lime; Gypsum)

To find similar documents by classification:

91.100.10 (Cement. Gypsum. Lime. Mortar)

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Document Number

ASTM-C1178/C1178M-13

Revision Level

2013 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Oct. 15, 2013

Document Type

Specification

Page Count

3 pages

Committee Number

C11.01