Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM C318/C318M-00(2005)

Standard Specification for Gypsum Formboard

Standard Specification for Gypsum Formboard C0318_C0318M-00R05 ASTM|C0318_C0318M-00R05|en-US Standard Specification for Gypsum Formboard Standard new BOS Vol. 04.01 Committee C11
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Abstract

This specification covers the minimum requirements for gypsum formboard designed for use as a permanent form for poured-in-place reinforced gypsum concrete roof decks. Gypsum formboard shall consist of a noncombustible core, essentially gypsum, either mineral or organic, synthetic or natural. The face surface shall be specifically treated to resist fungus growth. Specimens shall be subjected to the following test methods: flexural strength; humidified deflection; core, end, and edge hardness; and resistance to fungi. Specimens shall be tested to determine thickness, width, length, end squareness, and edges and ends. The surfaces of gypsum formboard shall be true and free from imperfections that would render it unfit for use with or without decoration.

Scope

1.1 This specification covers the minimum requirements for gypsum formboard designed for use as a permanent form for poured-in-place reinforced gypsum concrete roof decks.

1.2 The values stated in either inch-pound units or SI (metric) are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system shall be used independent of the other. Values from the two systems shall not be combined.

1.3 The text of this standard references notes which provide explanatory material. These notes shall not be considered requirements of the standard.

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Details
Book of Standards Volume: 04.01
Developed by Subcommittee: C11.01
Pages: 2
DOI: 10.1520/C0318_C0318M-00R05
ICS Code: 91.100.40