1、Designation:E126414Standard Classification forAcoustical Ceiling Products1This standard is issued under the fixed designation E1264;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses ind
2、icates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This classification covers ceiling products that provideacoustical performance
3、and interior finish in buildings.Prod-ucts used in performance spaces and other special applicationsmay require more detailed specification than provided by thisclassification.1.2 This classification classifies acoustical ceilings by type,pattern,and certain ratings for acoustical performance,lightr
4、eflectance,and fire safety.It does not cover the aspects ofacoustical ceilings when used as a component of a system orassembly tested for fire endurance or floor/ceiling soundtransmission.1.3 This classification does not include physical properties,such as structural hardness,friability,sag,linear e
5、xpansion andcontraction,and transverse strength,which may affect thehandling,installation,and use of acoustical ceiling products(see Test Methods C367).1.4 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that
6、 are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2C367 Test Methods for Strength Properties of PrefabricatedArchitectural Acoustical Tile or Lay-In Ceiling PanelsC423 Test Method for SoundAbsorption and SoundAbsorp-tion Coefficients by the Re
7、verberation Room MethodC634 Terminology Relating to Building and EnvironmentalAcousticsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE413 Classification for Rating Sound InsulationE795 Practices for Mounting Test Specimens During SoundAbsorption TestsE1110 Classification fo
8、r Determination of Articulation ClassE1111 Test Method for Measuring the Interzone Attenuationof Open Office ComponentsE1414 Test Method for Airborne Sound Attenuation Be-tween Rooms Sharing a Common Ceiling PlenumE1477 Test Method for Luminous Reflectance Factor ofAcoustical Materials by Use of Int
9、egrating-Sphere Reflec-tometers3.Terminology3.1 DefinitionsFor definitions of terms used in thisclassification,see Terminology C634.3.2 Definitions of Terms Specific to This Standard:3.2.1 acoustical panela form of a prefabricated soundabsorbing ceiling element used with exposed suspension sys-tems.
10、3.2.2 acoustical tilea form of a prefabricated sound ab-sorbing ceiling element used with concealed or semi-exposedsuspension systems,stapling,or adhesive bonding.3.2.3 butta joint detail for acoustical tile,butt bevel,orbutt square edge,without kerfing of the edges,intended foradhesive bonding to s
11、olid backing.3.2.4 edge and joint detailvarious edge and joint detailsare available in accordance with Table 1 and Fig.1 foracoustical ceiling products.3.2.5 excelsiorlong,thin wood shavings.3.2.6 fissured patterna surface with irregular depressionsof varying lengths,widths,and depths extending belo
12、w thebasic product face.3.2.7 flush reveal edgeacoustical lay-in panels are in-tended for use in direct hung exposed suspension systems witha narrow exposed edge that is flush with the panel face.3.2.8 glass fiber baseceilings composed principally ofglass in fiber form with appropriate binders.3.2.9
13、 kerfed and rabbetedjoint detail for acoustical tile.Tile with kerfed and rabbeted edges on all four sides,with or1This classification is under the jurisdiction of ASTM Committee E33 onBuilding and Environmental Acoustics and is the direct responsibility of Subcom-mittee E33.04 on Application of Aco
14、ustical Materials and Systems.Current edition approved Oct.1,2014.Published January 2015.Originallyapproved in 1988.Last previous edition approved in 2008 as E1264 081.DOI:10.1520/E1264-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceas
15、tm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 without beveled edges,are intended for concealed suspensionsystem o
16、r adhesive bonding.3.2.10 kerfed and rabbeted long edges,ends trimmedacoustical tile,2 ft(609.6 mm)or longer,is intended forinstallation in semi-exposed,or semi-exposed direct hungsuspension systems.3.2.11 metal facings(pans)metal facing(pan)ceilingsystems with mineral or glass fiber base backings are intendedfor use where sound absorption is needed and where durableand easily maintainable surfaces are a necessity.3.2.12 mineral baseceilings composed principally of min-eral materials such as fib
