ASTM C840-17
Standard Specification for Application and Finishing of Gypsum Board

Standard No.
ASTM C840-17
Release Date
2017
Published By
American Society for Testing and Materials (ASTM)
Status
Replace By
ASTM C840-17a
Latest
ASTM C840-23
Scope

1.1 This specification covers the minimum requirements for the methods of application and finishing of gypsum board, including related items and accessories.

1.2 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.

1.2.1 Where this specification is more stringent (size or thickness of framing: size and spacing of fasteners) than the fire-rated construction, this specification shall govern.

1.3 Where 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.

1.4 Unheated spaces above gypsum board ceilings shall be properly ventilated (see Appendix X2).

1.5 The various application systems are located in the following sections:

I

Application of Single-ply Gypsum Board to Wood Framing
8199;Members

8

II

Application of Two-ply Gypsum Board to Wood Framing
8199;Members

9

III

Application of Gypsum Board by Adhesive Nail-on to
8199;Wood Framing Members

10

IV

Semi-solid Gypsum Board Partitions

11

V

Solid Gypsum Board Partitions

12

VI