1、Designation:C137414Standard Test Method forDetermination of Installed Thickness of PneumaticallyApplied Loose-Fill Building Insulation1This standard is issued under the fixed designation C1374;the number immediately following the designation indicates the year oforiginal adoption or,in the case of r
2、evision,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 test method covers determination of the installedthickness of pneumatically applied loose-fill bui
3、lding insula-tions prior to settling by simulating an open attic withhorizontal blown applications.1.2 This test method is a laboratory procedure for use bymanufacturers of loose-fill insulation for product design,labeldevelopment,and quality control testing.The apparatus usedproduces installed thic
4、kness results at a given mass/unit area.1.3 This test method is not the same as the design densityprocedures described in Test Methods C520 or SpecificationsC739 or C764.1.4 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversion
5、s to SI units that are provided for information onlyand are not considered standard.1.5 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 de
6、termine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C168 Terminology Relating to Thermal InsulationC520 Test Methods for Density of Granular Loose FillInsulationsC739 Specification for Cellulosic Fiber Loose-Fill ThermalInsulationC764 Specifica
7、tion for Mineral Fiber Loose-Fill ThermalInsulationE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method3.Terminology3.1 DefinitionsUnless otherwise stated,the definitionslisted in Terminology C168 are applicable herein.3.2 Definitions of Terms Specific to
8、This Standard:3.2.1 installed thickness,nthe average thickness,as mea-sured immediately after application of blown insulation mate-rial when applied at a given mass/unit area.4.Summary of Test Method4.1 Astandardized test chamber of 80 ft2(7.4 m2)is used asa receptacle to receive a calculated mass/u
9、nit area of pneumati-cally applied insulation.4.2 The mass of insulation to be blown into the test chamberis calculated from the bag label information.4.3 The mass of insulation prescribed in 4.2 is uniformlyblown into the test chamber.4.4 The thickness of the blown insulation is determined at13 pre
10、determined locations.4.5 The thickness average of three tests is the installedthickness for the mass/unit area being tested.5.Significance and Use5.1 This test method was designed to give the manufacturerof loose-fill insulation products a way of determining what theinitial installed thickness shoul
11、d be in a horizontal open atticfor pneumatic applications.5.2 The installed thickness value developed by this testmethod is intended to provide guidance to the installer in orderto achieve a minimum mass/unit area for a given R-value.5.3 For the purpose of product design,testing should bedone at a v
12、ariety of R-values.At least three R-values should beused:the lowest R-value on the product label,the highestR-value on the product label,and an R-value near the midpointof the R-value range.NOTE1For quality control purposes,testing may be done at oneR-value of R-19(hft2F/Btu)or higher.1This test met
13、hod is under the jurisdiction ofASTM Committee C16 on ThermalInsulation and is the direct responsibility of Subcommittee C16.32 on MechanicalProperties.Current edition approved April 15,2014.Published May 2014.Originallyapproved in 1997.Last previous edition approved in 2009 as C137403(2009).DOI:10.
14、1520/C1374-14.2For 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.Copyright ASTM International,100 Barr Harbor Drive,P
15、O Box C700,West Conshohocken,PA 19428-2959.United States1 5.4 Specimens are blown in a manner consistent with theintended installation procedure.Blowing machine settingsshould be representative of those typically used for fieldapplication with that machine.5.5 The material blown for a given R-value
16、as part of theinstalled thickness test equals the installed mass/unit area timesthe test chamber area.This mass can be calculated frominformation provided on the package label at the R-valueprescribed.6.Apparatus6.1 Blowing MachineA pneumatic blowing machine,de-signed primarily for handling loose-fill insulation materials,shall be used for blowing the insulation into the test chamber.This machine shall have throughput and material handlingcharacteristics similar to that used in field application
