ASTM C 840 : 2019 : REV A
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Application and Finishing of Gypsum Board
Hardcopy , PDF
24-04-2020
English
01-10-2019
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
C 11
|
| DocumentType |
Standard
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| Pages |
22
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1This specification covers the minimum requirements for the methods of application and finishing of gypsum board, including related items and accessories.
1.2Details of construction for a specific assembly to achieve the required fire resistance shall be obtained from reports of fire-resistance tests, engineering evaluations, or listings from recognized fire testing laboratories.
1.2.1Where this specification is more stringent (size or thickness of framing: size and spacing of fasteners) than the fire-rated construction, this specification shall govern.
1.3Where sound control is required for a gypsum board assembly, details of construction shall be in accordance with reports of acoustical tests of assemblies that have met the required acoustical values.
1.4Unheated spaces above gypsum board ceilings shall be properly ventilated (see Appendix X2).
1.5The various application systems are located in the following sections:
| I | Application of Single-ply Gypsum Board to Wood Framing Members | 8 |
| II | Application of Two-ply Gypsum Board to Wood Framing Members | 9 |
| III | Application of Gypsum Board by Adhesive Nail-on to Wood Framing | 10 |
| IV | Semi-solid Gypsum Board Partitions | 11 |
| V | Solid Gypsum Board Partitions | 12 |
| VI | Application of Gypsum Board with Adhesives to Interior Masonry or | 13 |
| VII | Application of Gypsum Board to Rigid Foam Insulation | 14 |
| VIII | Application of Gypsum Board to Steel Framing and Furring | 15 |
| IX | Arches and Bending Radii | 16 |
| X | Application of Gypsum Board to Receive Tile by Adhesive Application | 17 |
| XI | Exterior Application of Gypsum Wallboard and Exterior Gypsum Soffit | 18 |
| XII | Floating Interior Angles | 19 |
| XIII | Control (Expansion) Joints | 20 |
| XIV | Foil-backed Gypsum Board | 21 |
| XV | Application of Vinyl Faced Gypsum Board | 22 |
1.6The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.7The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
1.8The following precautionary caveat pertains only to Sections 6 – 26. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
For specific precautionary statements, see 4.1.1, 4.1.2, and 24.5.
1.9This 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.
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