ASTM-C1177/C1177M:2024 Edition

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C1177/C1177M-24 Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing

Published By	Publication Date	Number of Pages
ASTM	2024	3

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Categories: 91.100.10 - Cement. Gypsum. Lime. Mortar, ASTM

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Description

ASTM C1177/C1177M-24

Active Standard: Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing

ASTM C1177/C1177M

Scope

1.1 This specification covers glass mat gypsum substrate, which is designed to be used as an exterior substrate for a weather barrier.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. 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.

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.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

core; exterior substrate; fire-resistant classification; flexural strength; glass mat; glass mat gypsum substrate; gypsum; hardness; humidified deflection; nail pull resistance; noncombustible; sheathing; substrate; type X; water resistance; weather barrier ;

ICS Code

ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

DOI: 10.1520/C1177_C1177M-24

Additional information

Standard Title	C1177/C1177M-24 Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing
Published Code	ASTM
Publication Date	2024
Pages Count	3
ICS Codes	91.100.10 - Cement. Gypsum. Lime. Mortar