1、Designation: C 1225 04Standard Specification forNon-Asbestos Fiber-Cement Roofing Shingles, Shakes, andSlates1This standard is issued under the fixed designation C 1225; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l
2、ast revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers non-asbestos, fiber-cementshingles, shakes, and slates (roofing products) of nominallyunifor
3、m thickness (non-tapered) and texture, including acces-sories designed to provide the weather-exposed surfaces onroofs of buildings.1.2 This specification is not applicable to asbestos-cementroofing shingles (Specification C 222), non-asbestos fiber-cement roofing shakes, shingles, and slates with d
4、esignedvarying profiles and thicknesses (Specification C 1530), par-ticle board (Terminology D 1554), or cement-bonded particle-boards (Specification BS 5669: Part 4) and (ISO 8335).1.3 This specification does not include details of productinstallation or installed system performance. Refer to thema
5、nufacturers installation literature for proper installationinstructions, to Specification C 1459 for roofing systems per-formance, and to Test Methods E 108 for levels of fireresistance.1.4 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses (SI u
6、nits) areprovided for information only.2. Referenced Documents2.1 ASTM Standards:2C 222 Specification for Asbestos-Cement Roofing ShinglesC 1154 Terminology for Asbestos and Fiber-CementC 1185 Test Methods for Sampling and Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing, and SidingShingles, an
7、d ClapboardsC 1459 Specification for Performance of Non-AsbestosFiber-Reinforced Cement Shake, Shingle, and Slate Roof-ing SystemsC 1530 Specification for Non-Asbestos Fiber-CementRoofing Shingles, Shakes, and SlatesD 1554 Terminology Relating to Wood-Base Fiber andParticle Panel MaterialsE 108 Test
8、 Methods for Fire Tests of Roof Coverings2.2 British Standards:3BS 5669: Specification for cement bonded particleboard2.3 International Standards:3ISO 8335 Cement-bonded particleboardsBoards of Port-land or equivalent cement reinforced with fibrous woodparticles33. Terminology3.1 DefinitionsRefer to
9、 Terminology C 1154.4. Manufacture and Composition4.1 ManufactureThese products may be formed eitherwith or without pressure and cured, either under natural oraccelerated conditions, to meet the physical requirements ofthis specification.4.2 CompositionThis specification is applicable to fiber-reinf
10、orced cement roofing products consisting essentially of aninorganic hydraulic binder or a calcium silicate binder formedby the chemical reaction of a siliceous material and a calcar-eous material reinforced by organic fibers, inorganic non-asbestos fibers, or both. Process aids, fillers, and pigment
11、swhich are compatible with fiber-reinforced cement may beadded.5. Mechanical and Physical Properties5.1 Mechanical and physical properties shall be determinedon uncoated products wherever practical. Where products aresupplied coated, this material shall also be tested with theresults identified as a
12、pplying to coated material. Failure of thecoating as a consequence of the mechanical testing shall notconstitute failure of the product. Accessory products shall beexcluded from these requirements.5.1.1 Sampling and inspection for mechanical and physicalproperties shall be conducted in accordance wi
13、th Test MethodsC 1185.1This specification is under the jurisdiction of ASTM Committee C17 onFiber-Cement Products and is the direct responsibility of Subcommittee C17.02 onNon-Asbestos Fiber Cement Products.Current edition approved June 1, 2004. Published July 2004. Originally approvedin 1993. Last
14、previous edition approved in 2000 as C 122500.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from
15、 American National Standards Institute, 11 W. 42nd St., 13thFloor, New York, NY 10036.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6. Requirements6.1 Mechanical Requirements:6.1.1 Flexural StrengthWhen tested in accordance withTes
16、t Methods C 1185, the product shall be classified accordingto its modulus of rupture. The product modulus of rupture andbreaking moment in the primary strength direction shall be notless than that specified in Table 1.6.1.2 Where a manufacturer states a minimum productmodulus of rupture, it shall be
17、 at the 4 % acceptable qualitylevel (AQL) at the 90 % confidence limit as are the values ofTable 1.6.1.3 The primary strength direction is that heaviest loadeddirection which will resist wind uplift when the product isinstalled.6.1.3.1 Known Orientation of InstallationWhere the sys-tem design ensure
18、s or dictates that the product orientation atinstallation is known, and the product is manufactured suchthat its strongest direction coincides with the primary strengthdirection, then classification of product shall be based on itsstrongest strength direction.6.1.3.2 Unknown Orientation of Installat
19、ionWhere a sys-tem design does not ensure or dictate that the product orienta-tion at installation is known, then classification of the productshall be based on its weakest strength direction.6.1.4 The product modulus of rupture in the weakest direc-tion shall not be less than 50 % of the modulus of
20、 rupture in thestrongest direction.6.2 Physical Requirements:6.2.1 DensityNominal values and tolerances for densityshall be stated by the manufacturer, when tested in accordancewith the method specified in Test Methods C 1185.6.2.2 Water AbsorptionCalculate the amount of waterabsorbed from the incre
21、ase in weight of the dried specimenduring submersion for a period of 48 h. Express waterabsorption as the percentage by weight when tested in accor-dance with Test Methods C 1185.6.2.3 Moisture ContentState the percentage of moisturecontent of the fiber-cement shingle when conditioned at 50 65 % rel
22、ative humidity and a temperature of 73 6 4F (23 62C) in accordance with Test Methods C 1185.7. Dimensions and Permissible Variations7.1 Nominal Length, Width and ThicknessThe shapes,size, and thickness shall be specified by the manufacturer.7.2 Length and Width ToleranceThe permissible variationfrom
23、 the nominal width and length shall be 614 in. (66.4 mm).The method of measurement shall be in accordance with TestMethods C 1185.7.3 Thickness ToleranceThe thickness variation from thenominal thickness shall not exceed 10%+25%. Themethod of measurement shall be in accordance with TestMethods C 1185
24、.8. Workmanship and Finish8.1 WorkmanshipThe surface of the product to be ex-posed shall be free of defects that impair serviceability.8.2 FinishThe surface of the product to be exposed maybe smooth, grained, granulated, coated, or otherwise textured.8.3 ColorThe exposed surface of the product may b
25、e thenatural color of the fiber-cement product or may be colored bythe addition of mineral pigments, chemical impregnation,pigmented coatings, veneers, or embedded mineral granules.8.4 Holes for Nails and Supplemental FastenersHoles fornails and supplemental fasteners may be provided in the unitsdur
26、ing manufacture and, if so, shall be placed as to provide therequired lap and allow for proper application of necessarysupplemental fasteners.8.5 EfflorescenceEfflorescence that may appear on fiber-cement product is not a defect.8.6 WeatheringIt should be noted that on exposure acolored product will
27、 be affected by weathering which may varywith site location pitch and exposure. Any change in finishdoes not in itself detract from the minimum mechanical orphysical characteristics as specified in this standard or from thefunction of the product.9. Supplementary Shapes9.1 Supplementary shapes such
28、as starter pieces, hip, andridge finishing pieces, and ridge rolls, shall have the samegeneral characteristics as the product they are designed tocomplement.10. Inspection and Acceptance10.1 Inspection of material, if required, shall be at the pointof shipment. The inspector representing the purchas
29、er shallhave authorized access to the carriers being loaded for ship-ment to the purchaser. The purchaser shall be afforded allreasonable and available facilities at the point of shipment forsampling and inspection of the material, which shall beconducted so as not to interfere unnecessarily with th
30、e loadingof the carriers.TABLE 1 Strength ClassificationNOTEValues in the table are lower limit values based on an acceptablequality level (AQL) of 4 % at a 90 % confidence level.Minimum Saturated Modulus of Rupturepsi (MPa)798 (5.5)Minimum Saturated Breaking Momentft lbf/ft (Nm/m)5.6 (25)TABLE 2 Fr
31、ost Resistance ClassificationGradeNo. ofCyclesRetainedStrengthUse Limitations1 0 N/A To regions where the mean annual rainfall does notexceed 20 in. (508 mm) and the average of thedaily lows for any month is at least 35F (2C)- and -Consult the manufacturer for geographicalrecommendations2 25 75% To
32、regions where the mean annual rainfall does notexceed 40 in. (1016 mm) and the average of thedaily lows for any month is at least 30F (-1C)- and -Consult the manufacturer for geographicalrecommendations3 100 75% No limitationsC122504210.2 Third party certification, either continuous or at regularint
33、ervals, shall be recognized as an alternative to lot inspection.10.3 Failure to conform to any one of the requirements ofthis specification shall constitute grounds for nonacceptance.11. Additional Requirements11.1 Additional requirements shall consist of once only testswith manufacturers statement
34、of results provided upon cus-tomers request. Fundamental changes in formulation or meth-ods of manufacture, or both, shall require subsequent retesting.11.2 Water TightnessThe specimen, when tested in accor-dance with Test Methods C 1185, may show traces of moistureon the underside of the sheet, but
35、 in no instance shall there beany formation of drops of water.11.3 Frost Resistance (Freeze/Thaw)The specimens shallbe tested in accordance with Test Methods C 1185, Section 16.The ratio of strengths, before and after exposure as calculatedfrom test results, shall be as described in Table 2. Fiber-c
36、ementroofing products installation shall be limited to the parametersdescribed in the column labeled “Use Limitations.”11.4 Warm Water ResistanceThe specimens, when testedin accordance with Test Methods C 1185, shall not showvisible cracks or structural alteration, such as to affect theirperformance
37、 in use. The ratio of strengths, before and afterexposure as calculated from test results, shall be $ 80 %.11.5 Heat/Rain ResistanceThe specimens, when tested inaccordance with Test Methods C 1185, (Part 15) for 25 cyclesshall not show visible cracks or structural alteration of theroofing such as to
38、 affect their performance in use.12. Keywords12.1 breaking moment; color; density; efflorescence; fiber-cement; fiber-reinforced; finish; frost resistance; heat/rain test;inorganic fibers; inspection; length; mechanical properties;modulus of rupture; moisture content; non-asbestos; organicfibers; ph
39、ysical properties; roofing; sampling; shakes; shingles;slates; thickness; tolerance; water absorption; water tightness;width; workmanshipASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this sta
40、ndard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years an
41、dif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee,
42、which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).C1225043
