Standard Specification for
Glass Mat Gypsum Substrate for Use as Sheathing1
This standard is issued under the fixed designation C 1177/C 1177M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
Click below to download Astm C 1177/C 1177M – 04 pdf free
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Click here to Astm C 1176 – 92 (Reapproved 1998) Pdf free download