ASTM_C_1149_-_11.pdf

Designation:C114911Standard Specification forSelf-Supported Spray Applied Cellulosic Thermal Insulation1This standard is issued under the fixed designation C1149;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.1.Scope1.1 The specification covers the physical properties ofself-supported spray applied cellulosic fibers intended for useas thermal insulation or an acoustical absorbent material,orboth.1.2 This specification covers chemically treated cellulosicmaterials intended for pneumatic applications where tempera-tures do not exceed 82.2C and where temperatures willroutinely remain below 65.6C.1.2.1 Type IMaterial applied with liquid adhesive andsuitable for either exposed or enclosed applications.1.2.2 Type IIMaterials containing a dry adhesive that isactivated by water during installation and intended only forenclosed or covered applications.1.3 This is a material specification only and is not intendedto deal with methods of application that are supplied by themanufacturer.1.4 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.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 determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC739 Specification for Cellulosic Fiber Loose-Fill ThermalInsulationC1363 Test Method for Thermal Performance of BuildingMaterials and Envelope Assemblies by Means of a HotBox ApparatusE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE605 Test Methods for Thickness and Density of SprayedFire-Resistive Material(SFRM)Applied to StructuralMembersE736 Test Method for Cohesion/Adhesion of Sprayed Fire-Resistive Materials Applied to Structural MembersE759 Test Method for Effect of Deflection on SprayedFire-Resistive Material Applied to Structural MembersE859 Test Method for Air Erosion of Sprayed Fire-ResistiveMaterials(SFRMs)Applied to Structural Members3.Terminology3.1 DefinitionsDefinitions in Terminology C168 shall ap-ply in this specification.3.2 Definitions of Terms Specific to This Standard:3.2.1 constant massno change in successive weighings inexcess of 0.5%of specimen mass taken at 4-h intervals unlessotherwise specified.3.2.2 curedthe state of the finished product after it hasachieved constant mass.3.2.3 curingthe process in which the liquid vehicle isremoved.Normally achieved in ambient building conditionswith forced air convection to hasten the evaporation process.3.2.4 prepared samplesamples prepared in accordancewith Section 5 and cured to constant mass prior to conductingthe specific tests.The prepared samples,after reaching constantmass,as defined in 3.2.1,shall have a density within 610%ofthe manufacturers recommended design density.3.2.5 self supportinga product that can be tested by thecriteria imposed by this specification and that will require nosupport other than itself or the substrate to which it is attached.3.2.6 specimendefinition of specimen as used in thisspecification shall be the same as that for prepared sample in3.2.4.1This 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 15,2011.Published August 2011.Originallyapproved in 1990.Last previous edition approved in 2008 as C1149-08.DOI:10.1520/C1149-11.2For 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 3.2.7 sprayed fiberchemically treated cellulosic materials,that are pneumatically conveyed and mixed with water oradhesive,or both,at the spray nozzle and become self-supporting when cured.4.Physical Properties4.1 Materials and Manufacture:4.1.1 The basic material shall consist of virgin or recycledwood based cellulosic fiber.4.1.2 Suitable chemicals shall be introduced to provideflame resistance,improved processing,adhesive/cohesiveproperties,and handling and application characteristics.4.1.3 The basic material shall be processed into a forms