1、Designation: C1396/C1396M 14aC1396/C1396M 17Standard Specification forGypsum Board1This standard is issued under the fixed designation C1396/C1396M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of last revision. A numbe
2、r in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers the gypsum boards described in 1.1.1 1.1.9.NOTE 1Specifications C840, C841, C844 and C1280 contain application pr
3、ocedures for gypsum board.1.1.1 Gypsum wallboard, designed for use on walls, ceilings, or partitions and that affords a surface suitable to receivedecoration.1.1.2 Predecorated gypsum board, designed for use as the finished surfacing for walls, ceilings, or partitions.1.1.3 Gypsum backing board, cor
4、eboard, and shaftliner board, designed for use as a base in multilayer systems or as a gypsumstud or core in semisolid or solid gypsum board partitions, or in shaft wall assemblies.NOTE 2The terms backing board, coreboard, and shaftliner board refer to different end uses. The term gypsum backing boa
5、rd, as used in thisspecification, 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 plastictile on walls or ceilings. This product is also suitable f
6、or decoration.1.1.5 Exterior gypsum sofft board, designed for use on exterior soffits and carport ceilings that are completely protected fromcontact 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
7、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 centerand that affords a surface suitable to rece
8、ive water-based texture and other decoration. This product is also suitable for use oninterior walls.1.2 Specifications applicable to all gypsum boards are located in Section 1 4 and 13 15. Specifications applicable to specificgypsum boards are located in the following sections:SectionGypsum Wallboa
9、rd, Predecorated Gypsum Board,and Laminated Gypsum Board5Gypsum backing board, gypsum coreboard,gypsum shaftliner board6Water-resistant gypsum backing board 7Exterior gypsum soffit board 8Gypsum sheathing board 9Gypsum base for veneer plaster 10Gypsum lath 11Gypsum Ceiling Board 121.3 The values sta
10、ted in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI unitsare shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be usedindependently of the other. Combining values from the two syste
11、ms may result in non-conformance with the standard1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the
12、 World Trade Organization Technical Barriers to Trade (TBT) Committee.1 This specification is under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and is the direct responsibility ofSubcommittee C11.01 on Specifications and Test Methods for Gypsum Product
13、s.Current edition approved Oct. 1, 2014July 1, 2017. Published October 2014July 2017. Originally approved in 1998. Last previous edition approved in 2014 asC1396/C1396M 14.C1396/C1396M 14a. DOI: 10.1520/C1396_C1396M-14A. 10.1520/C1396_C1396M-17.This document is not an ASTM standard and is intended o
14、nly to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current ver
15、sionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States12. Referenced Documents2.1 ASTM Standa
16、rds:2C11 Terminology Relating to Gypsum and Related Building Materials and SystemsC22/C22M Specification for GypsumC471M Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)C473 Test Methods for Physical Testing of Gypsum Panel ProductsC645 Specification for Nonstructural Steel
17、Framing MembersC840 Specification for Application and Finishing of Gypsum BoardC841 Specification for Installation of Interior Lathing and FurringC844 Specification for Application of Gypsum Base to Receive Gypsum Veneer PlasterC1264 Specification for Sampling, Inspection, Rejection, Certification,
18、Packaging, Marking, Shipping, Handling, and Storage ofGypsum Panel ProductsC1280 Specification for Application of Exterior Gypsum Panel Products for Use as SheathingD3273 Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental ChamberE84 Test Method for S
19、urface Burning Characteristics of Building MaterialsE96/E96M Test Methods for Water Vapor Transmission of MaterialsE119 Test Methods for Fire Tests of Building Construction and Materials3. Terminology3.1 Definitions used in this specification shall be in accordance with Terminology C11.3.2 Definitio
20、ns of Terms Specific to This Standard:3.2.1 decorative coating, na paint or other liquid material with or without aggregate.3.2.2 decorative sheet or film, na plastic film, either backed or unbacked; plastic sheet; or combination of these.3.2.3 edge, nthe bound edge as manufactured.3.2.4 gypsum back
21、ing board, na 14 to 58-in. 6.4 to 15.9-mm gypsum board used as a backing for gypsum wallboard,acoustical tile, or other dry cladding.3.2.5 gypsum coreboard, na 34 to 1-in. 19.0 to 25.4-mm gypsum board used as a gypsum stud or core in semisolid or solidgypsum board partitions.3.2.6 nominal thickness,
22、 nthe manufacturer-stated fractional value of thickness of the gypsum panel product expressed indecimal value to the nearest one-thousandth (11000) of an inch.4. Materials and Manufacture4.1 Gypsum board shall consist of a noncombustible core of gypsum complying with Specification C22/C22M, surfaced
23、 withpaper bonded to the core.4.1.1 Gypsum sheathing board shall consist of a noncombustible water-resistant core of gypsum complying with SpecificationC22/C22M, surfaced on both the face and back with water-repellant paper bonded to the core.4.1.2 Gypsum coreboard shall be either a single board or
24、composed of two factory-laminated gypsum boards to provide up to1 in. 25.4 mm total nominal thickness.4.1.3 Water-resistant gypsum backing board shall consist of a noncombustible water-resistant core of gypsum complying withSpecification C22/C22M, surfaced on both the back and face with water-repell
25、ant paper bonded to the core.4.1.4 Predecorated gypsum board shall consist of a noncombustible core of gypsum complying with Specification C22/C22M,surfaced with paper bonded to the core with the face covered with a decorative sheet, film, or coating.4.1.4.1 Class I predecorated gypsum board shall h
26、ave a decorative sheet or film laminated to the face.4.1.4.2 Class II predecorated gypsum board shall have a decorative coating applied to the face.4.1.5 Laminated gypsum board shall consist of two or more factory laminated gypsum boards that conform to this specification.4.2 The back surface of foi
27、l-backed gypsum board shall in addition be covered with aluminum foil.4.3 Gypsum board, mold resistant, designates gypsum board having not more than 20 % mold growth, based on surface areacoverage, when tested in accordance with Test Method D3273.4.4 Gypsum Board, type X (Special Fire-Resistant):4.4
28、.1 Gypsum Board, type X, designates gypsum board, except gypsum lath, gypsum coreboard, and gypsum shaftliner board,complying with this specification that provides not less than 1 h fire-resistance rating for boards 58 in. 15.9 mm thick or 34 hfire-resistance rating for boards 12 in. 12.7 mm thick,
29、applied parallel with and on each side of load bearing 2 by 4 wood studs2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the AS
30、TM website.C1396/C1396M 172spaced 16 in. 406 mm on centers with 6d coated nails, 178 in. 48 mm long, 0.0915-in. 2.3-mm diameter shank, 14-in. 6.4-mmdiameter heads, spaced 7 in. 178 mm on centers with gypsum board joints staggered 16 in. 406 mm on each side of the partitionand tested in accordance wi
31、th Test Methods E119.4.4.2 Gypsum Lath, type X designates gypsum lath complying with this specification that provides not less than a 1-hfire-resistance rating for gypsum lath 38 in. 9.5 mm thick, when applied at right angles to and on each side of loadbearing 2 4 wood studs spaced 16 in. 406 mm on
32、centers with blue lath nails spaced 5 in. 127 mm on centers over which is applied 12in. 12.7 mm 1:2 gypsum sand plaster and tested in accordance with the requirements of Test Method E119.NOTE 3Consult producers for independent test data on assembly details and fire-resistance ratings for other types
33、 of construction. See fire test reportsor listings from recognized fire testing laboratories for assembly particulars, materials, and ratings.4.4.3 Gypsum shaftliner board, type X, designates gypsum shaftliner board complying with this specification that meets theacceptance criteria for temperature
34、rise for not less than 1-12 h for boards 34-in. 19.0 mm thick or 2 h for boards 1-in. 25.4 mmthick, when applied in a double layer solid nonload bearing partition as described in 4.4.3.1 and tested in accordance with TestMethods E119 with thermocouple locations as specified in 4.4.3.2.4.4.3.1 Two la
35、yers of gypsum shaftliner board applied vertically and friction fit into vertical 25-gauge steel “H” members,1-12-in. 38.1 mm deep for boards 34-in. 19.0 mm thick or 2-in. 50.8 mm deep for boards 1-in. 25.4 mm thick, spaced 24-in.610 mm on centers and 25-gauge steel track at the perimeter of the par
36、tition. “H” members shall be formed with a single webor shall be two pieces of perimeter track fastened together along the web with screws spaced 24-in. 610 mm on centers.4.4.3.2 Temperature rise on the unexposed surface shall be measured using not less than five thermocouples; one shall be locateda
37、t the center of the assembly and one shall be located at the center of each quadrant. Thermocouples shall be located not less than3-in. 76 mm from an “H” member.4.5 Gypsum wallboard, gypsum backing board, exterior gypsum soffit board, and gypsum ceiling board shall have a flamespread index of not mo
38、re than 25 when tested in accordance with Test Method E84.4.6 Physical Properties, Dimensions, and Tolerances of Gypsum Board:4.6.1 Specimens shall be taken from the samples obtained in accordance with Specification C1264.4.6.1.1 Specimens shall be tested in accordance with Test Methods C473.4.6.2 C
39、ore, End, and Edge HardnessThe specimens shall have an average hardness of not less than 15 lbf 67 N when testedby Method A and 11 lbf 49 N when tested by Method B.4.6.2.1 When testing laminated gypsum board, if the laminated components are the same product and thickness, the test shallbe conducted
40、on either component of the laminated product. If the laminated gypsum board is comprised of different products orthicknesses, each component shall be tested.4.6.3 Edges and EndsThe edges and ends shall be straight.4.6.4 LengthThe tolerance in length shall be 614 in. 66 mm.66 mm.4.6.5 Tapered Edge De
41、pthThe average thickness of the edge of recessed or tapered edge gypsum board shall be not less than0.020 in. 0.51 mm but not more than 0.090 in. 2.29 mm 2.29 mm less than the average thickness of the gypsum board.4.6.6 The method for determining properties for a nominal thickness not listed in the
42、tables of Sections 5 through 12 shall becalculated as detailed in 4.6.6.1 and 4.6.6.2.4.6.6.1 For a board whose nominal thickness is not specified in the tables in Sections 5 through 12 interpolate between the twoadjacent thicknesses in the tables.4.6.6.2 Properties shall not be extrapolated to nomi
43、nal thicknesses outside the range of values specified in the tables.4.7 Volatile Sulfur Compounds:4.7.1 Gypsum board shall contain not greater than 10 ppm of orthorhombic cyclooctasulfur (S8), when tested in accordance withTest Methods C471M, that when exposed to heat, humidity, or both, emits volat
44、ile sulfur compounds in quantities that causeabnormal corrosion on electrical wiring, plumbing pipes, fuel gas lines, HVAC equipment, or any components of the foregoingNOTE 4When exposed to heat, humidity, or both, gypsum board containing S8 in quantities above 10 ppm may emit volatile sulfur compou
45、nds inquantities that cause abnormal corrosion on electrical wiring, plumbing pipes, fuel gas lines, HVAC equipment, or any components of the foregoing.5. Gypsum Wallboard, Predecorated Gypsum Board, and Laminated Gypsum Board5.1 Physical Properties of Gypsum Wallboard, Predecorated Gypsum Board, an
46、d Laminated Gypsum Board:5.1.1 Flexural StrengthThe specimens shall be tested face up and face down. The average breaking load shall be not less thanthe following:C1396/C1396M 173Thickness,in. mmMethod ABearing EdgesPerpendicularto Panel Length,lbf NMethod ABearing EdgesParallel to PanelLength, lbf
47、NMethod BBearing EdgesPerpendicularto Panel Length,lbf NMethod BBearing EdgesParallel to PanelLength, lbf N14 6.4 50 222 20 89 46 205 16 71516 7.9 65 289 25 111 62 276 21 9338 9.5 80 356 30 133 77 343 26 11612 12.7 110 489 40 178 107 476 36 16058 15.9 150 667 50 222 147 654 46 20534 19.0 170 756 60
48、267 167 743 56 2495.1.2 Humidified DeflectionThe specimens shall have an average deflection of not more than the following:Thickness, Deflection,in. mm eighths of an inch mm14 6.4 not required516 7.9 not required38 9.5 15 4812 12.7 10 3258 15.9 5 1634 19.0 5 165.1.3 Nail Pull ResistanceThe specimens
49、 shall have an average nail-pull resistance of not less than the following:Thickness, Method A, Method B,in. mm lbf N lbf N14 6.4 40 178 36 160516 7.9 50 222 46 20538 9.5 60 267 56 24912 12.7 80 356 77 34358 15.9 90 400 87 38734 19.0 100 445 97 4325.1.4 Foil-Backed Gypsum Wallboard and Foil-Backed Predecorated Gypsum Board
