1、Designation: C 1396/C 1396M 06aStandard Specification forGypsum Board1This standard is issued under the fixed designation C 1396/C 1396M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of last revision. A number in parent
2、heses indicates the year of lastreapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers the gypsum boards describedin 1.1.1-1.1.9.NOTE 1Specifications C 840, C 841, C 844 and C 1280 contain ap-plication procedur
3、es for gypsum board.1.1.1 Gypsum wallboard, designed for use on walls, ceil-ings, or partitions and that affords a surface suitable to receivedecoration.1.1.2 Predecorated gypsum board, designed for use as thefinished surfacing for walls, ceilings, or partitions.1.1.3 Gypsum backing board, coreboard
4、, and shaftlinerboard, designed for use as a base in multilayer systems or as agypsum stud or core in semisolid or solid gypsum boardpartitions, or in shaft wall assemblies.NOTE 2The terms backing board, coreboard, and shaftliner boardrefer to different end uses. The term gypsum backing board, as us
5、ed in thisspecification, shall include gypsum coreboard and gypsum shaftlinerboard unless otherwise stated.1.1.4 Water-resistant gypsum backing board, designed pri-marily to be used as a base for the application of ceramic orplastic tile on walls or ceilings. This product is also suitable fordecorat
6、ion.1.1.5 Exterior gypsum sofft board, designed for use onexterior soffits and carport ceilings that are completely pro-tected from contact with liquid water.1.1.6 Gypsum sheathing board, designed for use as sheath-ing on buildings.1.1.7 Gypsum base for veneer plaster, designed for use as abase for
7、the application of gypsum veneer plaster.1.1.8 Gypsum lath, designed for use as a base for theapplication of gypsum plaster.1.1.9 Gypsum ceiling board, designed for use on interiorceilings with framing spaced not more than 24 in. 610 mm oncenter and that affords a surface suitable to receive water-b
8、asedtexture and other decoration. This product is also suitable foruse on interior walls.1.2 Specifications applicable to all gypsum boards arelocated in Section 1-4 and 13-15. Specifications applicable tospecific gypsum boards are located in the following sections:SectionGypsum wallboard, predecora
9、ted gypsum board 5Gypsum 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 stated in either inch-pound units or SI(me
10、tric) are to be regarded separately as standard. Within thetext, the SI units are shown in brackets. The values stated ineach system shall be used independent of the other. Valuesfrom the two systems shall not be combined.2. Referenced Documents2.1 ASTM Standards:2C11 Terminology Relating to Gypsum
11、and Related Build-ing Materials and SystemsC 473 Test Methods for Physical Testing of Gypsum PanelProductsC 645 Specification for Nonstructural Steel Framing Mem-bersC 840 Specification for Application and Finishing of Gyp-sum BoardC 841 Specification for Installation of Interior Lathing andFurringC
12、 844 Specification for Application of Gypsum Base toReceive Gypsum Veneer PlasterC 1264 Specification for Sampling, Inspection, Rejection,Certification, Packaging, Marking, Shipping, Handling,and Storage of Gypsum Panel ProductsC 1280 Specification for Application of Gypsum SheathingE84 Test Method
13、for Surface Burning Characteristics ofBuilding Materials1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systems and is the direct responsibilityof Subcommittee C11.01 on Specifications and Test Methods for Gypsum Products.Current editio
14、n approved Nov. 1, 2006. Published November 2006. Originallyapproved in 1998. Last previous edition approved in 2006 as C 1396/C 1396M 06.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume
15、information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.E 96/E 96M Test Methods for Water Vapor Tr
16、ansmission ofMaterialsE119 Test Methods for Fire Tests of Building Constructionand Materials3. Terminology3.1 Definitions used in this specification shall be in accor-dance with Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 decorative coating, na paint or other liquid mate
17、rialwith or without aggregate.3.2.2 decorative sheet or film, na plastic film, eitherbacked or unbacked; plastic sheet; or combination of these.3.2.3 edge, nthe bound edge as manufactured.3.2.4 gypsum backing board, na14 to58-in. 6.4 to15.9-mm gypsum board used as a backing for gypsumwallboard, acou
18、stical tile, or other dry cladding.3.2.5 gypsum coreboard, na34 to 1-in. 19.0 to 25.4-mmgypsum board used as a gypsum stud or core in semisolid orsolid gypsum board partitions.3.2.6 nominal thickness, nthe manufacturer-stated frac-tional value of thickness of the gypsum panel product ex-pressed in d
19、ecimal value to the nearest one-thousandth (11000)of an inch.4. Materials and Manufacture4.1 Gypsum board shall consist of a noncombustible core,essentially gypsum, surfaced with paper bonded to the core.4.1.1 Gypsum sheathing board shall consist of a noncom-bustible water-resistant core, essentiall
20、y gypsum, surfaced onboth the face and back with water-repellant paper bonded to thecore.4.1.2 Gypsum coreboard shall be either a single board orcomposed of two factory-laminated gypsum boards to provideup to 1 in. 25.4 mm total nominal thickness.4.1.3 Water-resistant gypsum backing board shall cons
21、ist ofa noncombustible water-resistant core, essentially gypsum,surfaced on both the back and face with water-repellant paperbonded to the core.4.1.4 Predecorated gypsum board shall consist of a noncom-bustible core, essentially gypsum, surfaced with paper bondedto the core with the face covered wit
22、h a decorative sheet, film,or coating.4.1.4.1 Class I predecorated gypsum board shall have adecorative sheet or film laminated to the face.4.1.4.2 Class II predecorated gypsum board shall have adecorative coating applied to the face.4.2 The back surface of foil-backed gypsum board shall inaddition b
23、e covered with aluminum foil.4.3 Gypsum Board, type X (Special Fire-Resistant):4.3.1 Gypsum Board, type X, designates gypsum board,except gypsum lath, gypsum coreboard, and gypsum shaftlinerboard, complying with this specification that provides not lessthan 1 h fire-resistance rating for boards58 in
24、. 15.9 mm thickor34 h fire-resistance rating for boards12 in. 12.7 mm thick,applied parallel with and on each side of load bearing 2 by 4wood studs spaced 16 in. 406 mm on centers with 6d coatednails, 178 in. 48 mm long, 0.0915-in. 2.3-mm diametershank,14-in. 6.4-mm diameter heads, spaced 7 in. 178
25、mmon centers with gypsum board joints staggered 16 in. 406 mmon each side of the partition and tested in accordance with TestMethods E119.4.3.2 Gypsum Lath, type X designates gypsum lath comply-ing with this specification that provides not less than a 1-hfire-resistance rating for gypsum lath38 in.
26、9.5 mm thick,when applied at right angles to and on each side of loadbearing2 3 4 wood studs spaced 16 in. 406 mm on centers with bluelath nails spaced 5 in. 127 mm on centers over which isapplied12 in. 12.7 mm 1:2 gypsum sand plaster and tested inaccordance with the requirements of Test Method E119
27、.NOTE 3Consult producers for independent test data on assemblydetails and fire-resistance ratings for other types of construction. See firetest reports or listings from recognized fire testing laboratories forassembly particulars, materials, and ratings.4.3.3 Gypsum shaftliner board, type X, designa
28、tes gypsumshaftliner board complying with this specification that meetsthe acceptance criteria for temperature rise for not less than1-12 h for boards34-in. 19.0 mm thick or 2 h for boards 1-in.25.4 mm thick, when applied in a double layer solid nonloadbearing partition as described in 4.3.3.1 and t
29、ested in accor-dance with Test Methods E119with thermocouple locations asspecified in 4.3.3.2.4.3.3.1 Two layers of gypsum shaftliner board appliedvertically and friction fit into vertical 25-gage steel “H”members, 1-12-in. 38.1 mm deep for boards34-in. 19.0 mmthick or 2-in. 50.8 mm deep for boards
30、1-in. 25.4 mm thick,spaced 24-in. 610 mm on centers and 25-gage steel track atthe perimeter of the partition. “H” members shall be formedwith a single web or shall be two pieces of perimeter trackfastened together along the web with screws spaced 24-in. 610mm on centers.4.3.3.2 Temperature rise on t
31、he unexposed surface shall bemeasured using not less than five thermocouples; one shall belocated at the center of the assembly and one shall be locatedat the center of each quadrant. Thermocouples shall be locatednot less than 3-in. 76 mm from an “H” member.4.4 Gypsum wallboard, gypsum backing boar
32、d, exteriorgypsum soffit board, and gypsum ceiling board shall have aflame spread index of not more than 25 when tested inaccordance with Test Method E84.4.5 Physical Properties, Dimensions, and Tolerances ofGypsum Board:4.5.1 Specimens shall be taken from the samples obtained inaccordance with Spec
33、ification C 1264.4.5.1.1 Specimens shall be tested in accordance with TestMethods C 473.4.5.2 Core, End, and Edge HardnessThe specimens shallhave an average hardness of not less than 15 lbf 67 N whentested by Method A and 11 lbf 49 N when tested by MethodB.4.5.3 Edges and EndsThe edges and ends shal
34、l bestraight.4.5.4 LengthThe tolerance in length shall be 614 in. 66mm.4.5.5 Tapered Edge DepthThe average thickness of theedge of recessed or tapered edge gypsum board shall be notC 1396/C 1396M 06a2less than 0.020 in. 0.51 mm but not more than 0.090 in. 2.29mm less than the average thickness of th
35、e gypsum board.5. Gypsum Wallboard and Predecorated Gypsum Board5.1 Physical Properties of Gypsum Wallboard and Predeco-rated Gypsum Board:5.1.1 Flexural StrengthThe specimens shall be tested faceup and face down. The average breaking load shall be not lessthan the following:Thickness,in. mmMethod A
36、Bearing EdgesPerpendicularto Panel Length,lbf NMethod ABearing EdgesParallel to PanelLength, lbf 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
37、 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 60 267 167 743 56 2495.1.2 Humidified DeflectionThe specimens shall have anaverage deflection of not more than the following:Thickness, Deflection,in. mm eighths of an inch mm14 6.4 not required516 7.9 not
38、required38 9.5 15 4812 12.7 10 3258 15.9 5 1634 19.0 5 165.1.3 Nail Pull ResistanceThe specimens shall have anaverage 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 77 343
39、58 15.9 90 400 87 38734 19.0 100 445 97 4325.1.4 Foil-Backed Gypsum Wallboard and Foil-Backed Pre-decorated Gypsum Board:5.1.4.1 Foil-backed gypsum wallboard and foil-backed pre-decorated gypsum board shall meet all of the requirements forgypsum wallboard and predecorated gypsum board.5.1.4.2 When t
40、ested in accordance with Test Methods E 96,the permeance of foil-backed gypsum wallboard and foil-backed predecorated gypsum board shall be not more than 0.30perm 17 ng/Pasm2 (Desiccant Method) for the condition of50 % relative humidity on the face of the board, and 0 %relative humidity on the back
41、(foil-covered) side of the board.5.2 Dimensions and Tolerances of Gypsum Wallboard andPredecorated Gypsum Board:5.2.1 ThicknessThe thickness shall be from14 to34 in.6.4 to 19.0 mm with tolerances of 6 0.015 in. 6 0.40 mm,and with local variations of 6 0.030 in. 6 0.80 mm.5.2.2 WidthThe width shall b
42、e up to 48 in. 1220 mm, orup to 54 in. 1370 mm, with a tolerance of332 in. 3 mmunder the specified width.5.2.3 End SquarenessCorners shall be square with atolerance of 618 in. 63 mm in the full width of the board.5.3 Edges:5.3.1 The edges of gypsum wallboard shall be either square,beveled, featured,
43、 tapered, or featured and tapered.5.3.2 The edges of predecorated gypsum board shall beeither square, beveled, or featured.6. Gypsum Backing Board, Gypsum Coreboard, andGypsum Shaftliner Board6.1 Physical Properties of Gypsum Backing Board andGypsum Coreboard:6.1.1 Flexural StrengthThe specimens sha
44、ll be tested faceup and face down. The average breaking load shall be not lessthan the following:Thickness,in. mmMethod ABearing EdgesPerpendicularto Panel Length,lbf NMethod ABearing EdgesParallel to PanelLength, lbf NMethod BBearing EdgesPerpendicularto Panel Length,lbf NMethod BBearing EdgesParal
45、lel to PanelLength, lbf N14 6.4 50 222 20 89 46 205 16 7138 9.5 80 356 30 133 77 343 26 11612 12.7 110 489 40 178 107 476 36 16058 15.9 140 622 50 222 137 609 46 20534 19.0 170 756 60 267 167 743 56 2491 25.4 230 1023 80 356 228 1014 77 3436.1.2 Humidified DeflectionThe specimens shall have anaverag
46、e deflection of not more than the following:Thickness, Deflection,in. mm eighths of an inch mm14 6.4 not required38 9.5 15 4812 12.7 10 3258 15.9 5 1634 19.0 not required1 25.4 not required6.1.3 Nail Pull ResistanceThe specimens shall have anaverage nail-pull resistance of not less than the followin
47、g:Thickness, Method A, Method B,in. mm lbf N lbf N14 6.4 40 178 36 16038 9.5 60 267 56 24912 12.7 80 356 77 34358 15.9 90 400 87 38734 19.0 not required not required1 25.4 not required not required6.1.4 Foil-Backed Gypsum Backing Board and Foil-BackedGypsum Coreboard:6.1.4.1 Foil-backed gypsum backi
48、ng board and foil-backedgypsum coreboard shall meet all of the requirements forgypsum backing board and gypsum coreboard.6.1.4.2 When tested in accordance with Test Methods E 96,the permeance of foil-backed gypsum backing board andfoil-backed gypsum coreboard shall be not more than 0.30perm 17 ng/Pasm2 (Desiccant Method) for the condition of50 % relative humidity on the face of the board, and 0 %relative humidity on the back (foil-covered) side of the board.6.2 Dime
