ANSI ASTM E2707-2015 Standard Test Method for Determining Fire Penetration of Exterior Wall Assemblies Using a Direct Flame Impingement Exposure.pdf
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1、Designation: E2707 15 An American National StandardStandard Test Method forDetermining Fire Penetration of Exterior Wall AssembliesUsing a Direct Flame Impingement Exposure1This standard is issued under the fixed designation E2707; the number immediately following the designation indicates the year
2、oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This fire-test-response standard prescribes a method toas
3、sess the fire performance of a vertically oriented specimenexposed to direct flame impingement in a simulated externalfire exposure potentially encountered in a Wildland UrbanInterface scenario. This test method provides data suitable forcomparing the performance of materials, which are used as thee
4、xposed surfaces of exterior walls in construction applications.NOTE 1This test method closely follows the test procedure ofCalifornia Office of State Marshal (SFM) Method 12-7A-1.21.2 This test method measures the ability of the wall systemto resist fire penetration from the exterior into the wall c
5、avityor unexposed side of the test assembly under the conditions ofexposure.1.3 This test method provides data suitable for comparingthe performance of vertically oriented materials, products orassemblies in exterior construction applications. The test speci-men shall be tested in thicknesses and co
6、nfigurations represen-tative of actual end product or system uses.1.4 Limitations of the test method are listed in Section 5.5.1.5 The system of units to be used in referee decisions is theSI system of units; see IEEE/ASTM SI-10 for further details.The units given in parentheses are for information
7、only.1.6 This standard is used to measure and describe theresponse of materials, products, or assemblies to heat and flameunder controlled conditions, but does not by itself incorporateall factors required for fire hazard or fire risk assessment of thematerials, products, or assemblies under actual
8、fire conditions.1.7 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use
9、.1.8 Fire testing is inherently hazardous. Adequate safe-guards for personnel and property shall be employed inconducting these tests.2. Referenced Documents2.1 ASTM Standards:3D2898 Practice for Accelerated Weathering of Fire-Retardant-Treated Wood for Fire TestingD4442 Test Methods for Direct Mois
10、ture Content Measure-ment of Wood and Wood-Based MaterialsD4444 Test Method for Laboratory Standardization andCalibration of Hand-Held Moisture MetersD6662 Specification for Polyolefin-Based Plastic LumberDecking BoardsD7032 Specification for Establishing Performance Ratingsfor Wood-Plastic Composit
11、e Deck Boards and GuardrailSystems (Guards or Handrails)E176 Terminology of Fire StandardsE1354 Test Method for Heat and Visible Smoke ReleaseRates for Materials and Products Using an Oxygen Con-sumption CalorimeterE1474 Test Method for Determining the Heat Release Rateof Upholstered Furniture and M
12、attress Components orComposites Using a Bench Scale Oxygen ConsumptionCalorimeterE1740 Test Method for Determining the Heat Release Rateand Other Fire-Test-Response Characteristics of WallCovering or Ceiling Covering Composites Using a ConeCalorimeterE2102 Test Method for Measurement of Mass Loss an
13、dIgnitability for Screening Purposes Using a Conical Ra-diant HeaterE2257 Test Method for Room Fire Test of Wall and CeilingMaterials and AssembliesE2886 Test Method for Evaluating the Ability of Exterior1This test method is under the jurisdiction of ASTM Committee E05 on FireStandards and is the di
14、rect responsibility of Subcommittee E05.14 on External FireExposures.Current edition approved Oct. 1, 2015. Published November 2015. Originallyapproved in 2009. Last previous edition approved in 2014 as E270714. DOI:10.1520/E2707-15.22007 California Building Code, Chapter 7ASFM, Materials and Constr
15、uctionMethods for Exterior Wildfire Exposure, Exterior Wall Siding and Sheathing, SFMStandard 12-7A-1.3For 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
16、Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1Vents to Resist the Entry of Embers and Direct FlameImpingementIEEE/ASTM SI-10 American National Standard for Use ofthe International System of U
17、nits (SI): The Modern MetricSystem2.2 ISO Standards:ISO 13943 Fire SafetyVocabulary43. Terminology3.1 DefinitionsFor definitions of terms used in thisstandard, see Terminology E176 and ISO 13943. In case ofconflict, the definitions given in Terminology E176 shallprevail.3.2 Definitions of Terms Spec
18、ific to This Standard:3.2.1 orientation, nthe vertical plane in which the exposedface of the test specimen is located during testing.3.2.2 siding (cladding), nany material that constitutes theexposed exterior covering of an exterior wall and such materialis applied over sheathing or directly attache
19、d to the wallsystem.3.2.3 sheathing, nthe material placed on an exterior wallbeneath cladding or siding and directly attached to the wallsystem used over the wall framework and is attached directlyto the wall framing members. Materials called sheathing thatare not placed beneath cladding or siding s
20、hall be classified ascladding or siding.3.2.4 sustained flaming, nflame on or over the surface ofa test specimen that lasts longer than a period of 4 s.4. Summary of Test Method4.1 This test method provides for the direct flame exposureof a wall specimen to a flame source centered at the base of a12
21、20 by 2440 mm (4 by 8 ft) test assembly.4.2 This test method employs a gas burner to produce adiffusion flame in contact with the test wall assembly.4.3 The gas burner produces a prescribed net rate of heatoutput of 150 kW (8535 BTU/min) for a period of 10 min, afterwhich the flame exposure is termi
22、nated.4.4 The test method measures the ability of the wall systemto resist fire penetration from the exterior to the unexposed sideof the test assembly under the conditions of exposure. Obser-vations are made for the appearance of sustained flaming orglow on the unexposed side or sustained glowing o
23、n theunexposed side, or both, at the end of a 60 min observationperiod.5. Significance and Use5.1 The test method described herein measures the ability ofthe exterior wall covering material or system to resist firepenetration from the exterior to the unexposed side of the wallassembly under the spec
24、ified conditions of exposure.5.2 Representative joints and other characteristics of anassembly shall be included in a test specimen when thesedetails are representative of the construction of the end-useproduct(s).5.3 This test method is applicable to end-use product(s) nothaving an ideally planar e
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