ASTM_C_1658_-_C_1658M_-_13.pdf

Designation:C1658/C1658M13Standard Specification forGlass Mat Gypsum Panels1This standard is issued under the fixed designation C1658/C1658M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers the glass mat gypsum panelsdescribed in 1.1.1 1.1.3.1.1.1 Glass mat interior gypsum panel,designed for use onwalls,ceilings,or partitions and that affords a surface suitableto receive decoration.1.1.2 Glass mat coreboard gypsum panel,and glass matshaftliner gypsum panel,designed for use as a base inmultilayer systems or as gypsum studs or cores in semisolid orsolid gypsum board partitions,or in shaftwall assemblies.1.1.3 Glass mat water-resistant gypsum panel,designed tobe used as a base for the application of ceramic or plastic tileon walls or ceilings.This product is also suitable for decora-tion.(This is distinct from a coated glass mat water-resistantgypsum panel ASTM 1178.)1.2 Specifications applicable to all glass mat gypsum panelsare located in Sections 1 4 and 8 10.Specificationsapplicable to specific glass mat gypsum panels are located inthe following sections:SectionGlass mat interior gypsum panel5Glass mat coreboard gypsumpanel,and glass mat shaftlinergypsum panel6Glass mat water-resistant gypsumpanel71.3 The values stated in either inch-pound units or SI(metric)are to be regarded separately as standard.Within thetext,the SI units are shown in brackets.The values stated ineach system shall be used independent of the other.Valuesfrom the two systems shall not be combined.2.Referenced Documents2.1 ASTM Standards:2C11 Terminology Relating to Gypsum and Related BuildingMaterials and SystemsC22 Specification for GypsumC473 Test Methods for Physical Testing of Gypsum PanelProductsC645 Specification for Nonstructural Steel Framing Mem-bersC1264 Specification for Sampling,Inspection,Rejection,Certification,Packaging,Marking,Shipping,Handling,and Storage of Gypsum Panel ProductsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE119 Test Methods for Fire Tests of Building Constructionand Materials3.Terminology3.1 Definitions used in this specification shall be in accor-dance with Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 glass mat,na mat of glass fibers with or without abinder.4.Materials and Manufacture4.1 Glass mat gypsum panel shall consist of a noncombus-tible core,essentially gypsum complying with SpecificationC22,surfaced with glass mat partially or completely embeddedin the core.4.1.1 Glass mat interior gypsum panel shall consist of anoncombustible core,essentially gypsum complying withSpecification C22,surfaced on both the face and back withglass mat partially or completely embedded into the core.4.1.2 Glass mat coreboard gypsum panel,and glass matshaftliner gypsum panel shall be either a single panel orcomposed of two factory-laminated gypsum panels to provideup to 1 in.25.4 mm total nominal thickness,surfaced on bothface and back with glass mat partially or completely embeddedinto the core.4.1.3 Glass mat gypsum water-resistant panel shall consistof a noncombustible water-resistant core,essentially gypsumcomplying with Specification C22,surfaced on the face withwater-resistant glass mat partially or completely embedded intothe core.4.2 Glass Mat Interior Gypsum panel,and Glass MatWater-Resistant gypsum panel,type X(special fire-resistant)1This test method is under the jurisdiction ofASTM Committee C11 on Gypsumand Related Building Materials and Systems and is the direct responsibility ofSubcommittee C11.01 on Specifications and Test Methods for Gypsum Products.Current edition approved Oct.1,2013.Published October 2013.Originallyapproved in 2006.Last previous edition approved in 2012 as E841 12.DOI:10.1520/C1658_C1658M-13.2For 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 designates glass mat gypsum panel complying with this speci-fication that provide not less than 1 h fire resistance for panel58in.15.9 mm thick or34h fire resistance for panel12in.12.7 mm thick,applied parallel with and on each side of loadbearing 2 by 4 wood studs spaced 16 in.406 mm on centerwith 6d coated nails,178in.48 mm long,0.0915 in.2.3 mmdiameter shank,14in.6.4 mm diameter heads,spaced 7 in.178 mm on center with glass mat gypsum panel jointsstaggered 16 in.406 mm on each side of the partition andtested in accordance with Test Methods E119.NOTE1Consult man