ASTM C842-05
Standard Specification for Application of Interior Gypsum Plaster

Standard No.

ASTM C842-05

Release Date

2005

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM C842-05(2010)e1

Latest

ASTM C842-05(2021)

Scope

1.1 This specification covers the minimum requirements for full-thickness (in accordance with Table 1) interior gypsum plastering on gypsum, metal, masonry, or monolithic concrete bases designed or prepared to receive gypsum plaster.

1.1.1 Gypsum plaster applied to the interior side of exterior walls of masonry or concrete shall be isolated from the exterior wall.

1.2 Gypsum plasters shall not be used in exterior locations or interior "wet" areas.

Note 18212;To secure desirable results, this specification should be coordinated with the provisions of Specification C 841. General information concerning full thickness gypsum plastering is contained in Annex A2, Annex A3, and Annex A4.

1.3 Details 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.

1.4 Details of construction to achieve required sound control shall be obtained from reports of tests conducted at recognized sound testing laboratories in accordance with the applicable sound tests of Test Methods E 90, C 423, or E 492.

1.5 The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are approximate and are provided for information purposes only.

1.6 The text of this standard 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 standard.

ASTM C842-05 Referenced Document

• ASTM C11 Standard Terminology Relating to Gypsum and Related Building Materials and Systems
• ASTM C1489 Standard Specification for Lime Putty for Structural Purposes
• ASTM C206 Standard Specification for Finishing Hydrated Lime
• ASTM C28 Standard Specification for Gypsum Plasters
• ASTM C35 Standard Specification for Inorganic Aggregates for Use in Gypsum Plaster
• ASTM C423 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
• ASTM C5 Standard Specification for Quicklime for Structural Purposes
• ASTM C631 Standard Specification for Bonding Compounds for Interior Gypsum Plastering
• ASTM C841 Standard Specification for Installation of Interior Lathing and Furring
• ASTM E492 Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine
• ASTM E90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements

ASTM C842-05 history

• 2021 ASTM C842-05(2021) Standard Specification for Application of Interior Gypsum Plaster
• 2005 ASTM C842-05(2015) Standard Specification for Application of Interior Gypsum Plaster
• 2005 ASTM C842-05(2010)e1 Standard Specification for Application of Interior Gypsum Plaster
• 2005 ASTM C842-05 Standard Specification for Application of Interior Gypsum Plaster
• 1999 ASTM C842-99 Standard Specification for Application of Interior Gypsum Plaster