ASTM_C_665_-_12.pdf

Designation:C66512Standard Specification forMineral-Fiber Blanket Thermal Insulation for Light FrameConstruction and Manufactured Housing1This standard is issued under the fixed designation C665;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 indicates 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 Department of Defense.1.Scope1.1 This specification covers the composition and physicalproperties of mineral-fiber blanket insulation used to thermallyor acoustically insulate ceilings,floors,and walls in light frameconstruction and manufactured housing.The requirementscover fibrous blankets and facings.Values for water-vaporpermeance of facings are suggested for information that will behelpful to designers and installers.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 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.2.Referenced Documents2.1 ASTM Standards:2B152/B152M Specification for Copper Sheet,Strip,Plate,and Rolled BarC167 Test Methods for Thickness and Density of Blanket orBatt Thermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC653 Guide for Determination of the Thermal Resistance ofLow-Density Blanket-Type Mineral Fiber InsulationC1104/C1104M Test Method for Determining the WaterVapor Sorption of Unfaced Mineral Fiber InsulationC1304 Test Method for Assessing the Odor Emission ofThermal Insulation MaterialsC1338 Test Method for Determining Fungi Resistance ofInsulation Materials and FacingsC1617 Practice for Quantitative Accelerated LaboratoryEvaluation of Extraction Solutions Containing IonsLeached from Thermal Insulation on Aqueous Corrosionof MetalsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE96/E96M Test Methods for Water Vapor Transmission ofMaterialsE970 Test Method for Critical Radiant Flux of ExposedAtticFloor Insulation Using a Radiant Heat Energy SourceG1 Practice for Preparing,Cleaning,and Evaluating Corro-sion Test Specimens3.Terminology3.1 DefinitionsFor definitions of terms used in thisspecification,see Terminology C168.4.Classification4.1 Typical mineral-fiber thermal insulation is classified intothe following types,classes,and categories:4.1.1 Type IBlankets without facings.4.1.2 Type IIBlankets with nonreflective facings.4.1.2.1 Class AFacing with a flame spread index of 25 orless.(1)Category 1Facing is a vapor retarder.(2)Category 2Facing is not a vapor retarder.4.1.2.2 Class BFacing with a flame propagation resis-tance;critical radiant flux of 0.12 W/cm2(.11 Btu/ft2s)orgreater.(1)Category 1Facing is a vapor retarder.(2)Category 2Facing is not a vapor retarder.1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.23 onBlanket and Loose Fill Insulation.Current edition approved May 1,2012.Published June 2012.Originallyapproved in 1970.Last previous edition approved in 2006 as C665 06.DOI:10.1520/C0665-11.2For 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,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.1.2.3 Class CFacing not rated for flame propagationresistance(for use in nonexposed applications only).(1)Category 1Facing is a vapor retarder.(2)Category 2Facing is not a vapor retarder.4.1.3 Type IIIBlankets with reflective facings:4.1.3.1 Class AFacing with a flame spread index of 25 orless.(1)Category 1Facing is a vapor retarder.(2)Category 2Facing is not a vapor retarder.4.1.3.2 Class BFacing with a flame propagation resis-tance;critical radiant flux of 0.12 W/cm2(.11 Btu/ft2s)orgreater.(1)Category 1Facing is a vapor retarder.(2)Category 2Facing is not a vapor retarder.4.1.3.3 Class CFacing not rated for flame propagationresistance(for use in nonexposed applications only).(1)Category 1Facing is a vapor retarder.(2)Category 2Facing is not a vapor retarder.4.2 Mechanically attache