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ASTM C1396 C1396M-2009 Standard Specification for Gypsum Board.pdf

1、Designation: C 1396/C 1396M 09Standard 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 parenth

2、eses 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 describedin 1.1.1-1.1.9.NOTE 1Specifications C 840, C 841, C 844 and C 1280 contain ap-plication procedures

3、 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 used

5、 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 fordecoratio

6、n.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 th

7、e 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-bas

8、edtexture 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, predecorate

9、d 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 SI units or inch-pound unit

10、sare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem may not be exact equivalents; therefore, each systemshall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with thesta

11、ndard2. Referenced Documents2.1 ASTM Standards:2C11 Terminology Relating to Gypsum and Related Build-ing Materials and SystemsC 22/C 22M Specification for GypsumC 473 Test Methods for Physical Testing of Gypsum PanelProductsC 645 Specification for Nonstructural Steel Framing Mem-bersC 840 Specificat

12、ion for Application and Finishing of Gyp-sum BoardC 841 Specification for Installation of Interior Lathing andFurringC 844 Specification for Application of Gypsum Base toReceive Gypsum Veneer PlasterC 1264 Specification for Sampling, Inspection, Rejection,Certification, Packaging, Marking, Shipping,

13、 Handling,and Storage of Gypsum Panel ProductsC 1280 Specification for Application of Gypsum Sheathing1This 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 T

14、est Methods for Gypsum Products.Current edition approved Sept. 1, 2009. Published September 2009. Originallyapproved in 1998. Last previous edition approved in 2006 as C 1396/C 1396M 06a.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at servicea

15、stm.org. For Annual Book of ASTMStandards volume 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

16、States.E84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE 96/E 96M Test Methods for Water Vapor Transmission ofMaterialsE119 Test Methods for Fire Tests of Building Constructionand Materials3. Terminology3.1 Definitions used in this specification shall be in accor-dance with T

17、erminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 decorative coating, na paint or other liquid materialwith 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 manu

18、factured.3.2.4 gypsum backing board, na14 to58-in. 6.4 to15.9-mm gypsum board used as a backing for gypsumwallboard, acoustical 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

19、.6 nominal thickness, nthe manufacturer-stated frac-tional value of thickness of the gypsum panel product ex-pressed in decimal value to the nearest one-thousandth (11000)of an inch.4. Materials and Manufacture4.1 Gypsum board shall consist of a noncombustible core ofgypsum complying with Specificat

20、ion C 22/C 22M, surfacedwith paper bonded to the core.4.1.1 Gypsum sheathing board shall consist of a noncom-bustible water-resistant core of gypsum complying with Speci-fication C 22/C 22M, surfaced on both the face and back withwater-repellant paper bonded to the core.4.1.2 Gypsum coreboard shall

21、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 consist ofa noncombustible water-resistant core of gypsum complyingwith Specification C 22/C 22M, surfaced on both the bac

22、k andface with water-repellant paper bonded to the core.4.1.4 Predecorated gypsum board shall consist of a noncom-bustible core of gypsum complying with Specification C 22/C 22M, surfaced with paper bonded to the core with the facecovered with a decorative sheet, film, or coating.4.1.4.1 Class I pre

23、decorated 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 be covered with aluminum foil.4.3 Gypsum Board, type X (Sp

24、ecial 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. 15.9 mm thickor34 h fire-resistance rating for boards12

25、 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 mmon centers with gypsum board joints staggered 16 in. 40

26、6 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. 9.5 mm thick,when applied at right angles to and on each

27、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.NOTE 3Consult producers for independent test data on ass

28、emblydetails 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, designates gypsumshaftliner board complying with this specificat

29、ion 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 tested in accor-dance with Test Methods E119with thermocou

30、ple 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 1-in. 25.4 mm thick,spaced 24-in. 610 mm on centers and 2

31、5-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 the unexposed surface shall bemeasured using not less than

32、 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 board, exteriorgypsum soffit board, and gypsum ceiling board

33、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 Specification C 1264.4.5.1.1 Specimens shall be tested in acc

34、ordance 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 shall bestraight.4.5.4 LengthThe tolerance in length shall be

35、 614 in. 66mm.C 1396/C 1396M 0924.5.5 Tapered Edge DepthThe average thickness of theedge of recessed or tapered edge gypsum board shall be notless than 0.020 in. 0.51 mm but not more than 0.090 in. 2.29mm less than the average thickness of the gypsum board.5. Gypsum Wallboard and Predecorated Gypsum

36、 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 ABearing EdgesPerpendicularto Panel Length,lbf NMethod ABea

37、ring 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 11612 12.7 110 489 40 178 107 476 36 16058 15.9 150 667 5

38、0 222 147 654 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 required38 9.5 15 4812 12.7 10 3258 15.9 5 1634 19.0 5 165

39、.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 34358 15.9 90 400 87 38734 19.0 100 445 97 4325.1.4 Foil-Back

40、ed 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 tested in accordance with Test Methods E 96/E 96M, the perm

41、eance of foil-backed gypsum wallboard andfoil-backed predecorated gypsum board shall be not more than0.30 perm 17 ng/Pasm2 (Desiccant Method) for the condi-tion of 50 % relative humidity on the face of the board, and0 % relative humidity on the back (foil-covered) side of theboard.5.2 Dimensions and

42、 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 be up to 48 in. 1220 mm, orup to 54 in. 1370 mm, wit

43、h 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, tapered, or featured and tapered.5.3.2 The edges o

44、f 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, GypsumCoreboard, and Gypsum Shaftliner Board:6.1.1 Flexural StrengthThe specimens shall be tested faceup and f

45、ace 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 EdgesParallel to PanelLength, lbf N

46、14 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 anaverage deflection of not more

47、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 following:Thickness, Method A, Me

48、thod 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, Foil-BackedGypsum Coreboard, and Foil-Backed Gypsum ShaftlinerBoard:6.1.4.1 Foil-backed gypsum backing board, foil-backedgypsum coreboard, and foil-backed gypsum shaftliner boardshall meet all of the requirements for gypsum backing board,gypsum coreboard, and g

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