ASTM C1396 / C1396M - 14a

    Standard Specification for Gypsum Board

    Active Standard ASTM C1396 / C1396M | Developed by Subcommittee: C11.01

    Book of Standards Volume: 04.01


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    Abstract

    This specification covers gypsum boards which include the following: gypsum wallboard for use on walls, ceilings, or partitions and that affords a surface suitable to receive decoration; predecorated gypsum board for use as the finished surfacing for walls, ceilings, or partitions; gypsum backing board, coreboard, and shaftliner board for use as a base in multilayer systems or as a gypsum stud or core in semisolid or solid gypsum board partitions, or in shaft wall assemblies; water-resistant gypsum backing board to be used as a base for the application of ceramic or plastic tile on walls or ceilings; exterior gypsum soffit board for exterior soffits and carport ceilings that are completely protected from contact with liquid water; gypsum sheathing board for use as sheathing on buildings; gypsum base for veneer plaster; gypsum lath for use as a base for gypsum plaster application; and gypsum ceiling board for interior ceilings and walls. Gypsum board shall consist of a noncombustible core, essentially gypsum, surfaced with paper bonded to the core. The specimens shall comply with the following required physical properties: core, end, and edge hardness; straightness of the edges and ends; length; tapered edge depth; flexural strength; humidified deflection; nail pull resistance; permeance; water resistance; and surface water absorption.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers the gypsum boards described in 1.1.1 – 1.1.9.

    Note 1: Specifications C840, C841, C844 and C1280 contain application procedures for gypsum board.

    1.1.1 Gypsum wallboard, designed for use on walls, ceilings, or partitions and that affords a surface suitable to receive decoration.

    1.1.2 Predecorated gypsum board, designed for use as the finished surfacing for walls, ceilings, or partitions.

    1.1.3 Gypsum backing board, coreboard, and shaftliner board, designed for use as a base in multilayer systems or as a gypsum stud or core in semisolid or solid gypsum board partitions, or in shaft wall assemblies.

    Note 2: The terms backing board, coreboard, and shaftliner board refer to different end uses. The term gypsum backing board, as used in this specification, shall include gypsum coreboard and gypsum shaftliner board unless otherwise stated.

    1.1.4 Water-resistant gypsum backing board, designed primarily to be used as a base for the application of ceramic or plastic tile on walls or ceilings. This product is also suitable for decoration.

    1.1.5 Exterior gypsum soffit board, designed for use on exterior soffits and carport ceilings that are completely protected from contact with liquid water.

    1.1.6 Gypsum sheathing board, designed for use as sheathing on buildings.

    1.1.7 Gypsum base for veneer plaster, designed for use as a base for the application of gypsum veneer plaster.

    1.1.8 Gypsum lath, designed for use as a base for the application of gypsum plaster.

    1.1.9 Gypsum ceiling board, designed for use on interior ceilings with framing spaced not more than 24 in. [610 mm] on center and that affords a surface suitable to receive water-based texture and other decoration. This product is also suitable for use on interior walls.

    1.2 Specifications applicable to all gypsum boards are located in Section 1 – 4 and 13 – 15. Specifications applicable to specific gypsum boards are located in the following sections:

     

     

    Section

     

    Gypsum Wallboard, Predecorated Gypsum Board, and Laminated Gypsum Board

    5

     

    Gypsum backing board, gypsum coreboard,
    gypsum shaftliner board

    6

     

    Water-resistant gypsum backing board

    7

     

    Exterior gypsum soffit board

    8

     

    Gypsum sheathing board

    9

     

    Gypsum base for veneer plaster

    10

     

    Gypsum lath

    11

     

    Gypsum Ceiling Board

    12

    1.3 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


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C11 Terminology Relating to Gypsum and Related Building Materials and Systems

    C22/C22M Specification for Gypsum

    C473 Test Methods for Physical Testing of Gypsum Panel Products

    C645 Specification for Nonstructural Steel Framing Members

    C840 Specification for Application and Finishing of Gypsum Board

    C841 Specification for Installation of Interior Lathing and Furring

    C844 Specification for Application of Gypsum Base to Receive Gypsum Veneer Plaster

    C1264 Specification for Sampling, Inspection, Rejection, Certification, Packaging, Marking, Shipping, Handling, and Storage of Gypsum Panel Products

    C1280 Specification for Application of Exterior Gypsum Panel Products for Use as Sheathing

    D3273 Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber

    E84 Test Method for Surface Burning Characteristics of Building Materials

    E96/E96M Test Methods for Water Vapor Transmission of Materials

    E119 Test Methods for Fire Tests of Building Construction and Materials


    ICS Code

    ICS Number Code 91.060.10 (Walls. Partitions. Facades); 91.100.10 (Cement. Gypsum. Lime. Mortar)

    UNSPSC Code

    UNSPSC Code 30161509(Gypsum board)


    Referencing This Standard

    DOI: 10.1520/C1396_C1396M-14A

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C1396 / C1396M-14a, Standard Specification for Gypsum Board, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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