ASTM_C_1535_-_05_2017.pdf

Designation:C153505(Reapproved 2017)Standard Practice forApplication of Exterior Insulation and Finish Systems ClassPI1This standard is issued under the fixed designation C1535;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.Scope*1.1 This practice covers the minimum requirements andprocedures for field or prefabricated application of Class PIExterior Insulation and Finish Systems(EIFS).Class PI EIFSare systems applied over polyisocyanurate insulation board,inwhich the base coat ranges from not less than116in.(1.6 mm)to14in.(6.4 mm)in dry thickness,depending upon the numberof nonmetallic reinforcing mesh layers encapsulated in the basecoat.The base coat is then covered with a finish coat of variousthickness in a variety of textures and colors.The insulationboard shall be applied over a substrate or over open framing.1.2 This practice does not cover Class PI EIFS with drain-age.Consult the EIFS producer for information.1.3 The values stated in inch-pound units are to be regardedas the standard.The SI(metric)values given in parentheses areapproximate and are provided for information purposes only.1.4 The text of this standard references notes and footnotesthat provide explanatory material.These notes and footnotesshall not be considered as requirements of the standard.1.5 This standard may involve hazardous materials,opera-tions and equipment.This standard does not purport to addressall of the safety concerns,if any,associated with its use.It isthe responsibility of the user of this standard to establishappropriate safety and health practices and determine theapplicability of regulatory limitations prior to use.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C11 Terminology Relating to Gypsum and Related BuildingMaterials and SystemsC79/C79M Specification for Gypsum Sheathing Board(Withdrawn 2004)3C150 Specification for Portland CementC1063 Specification for Installation of Lathing and Furringto Receive Interior and Exterior Portland Cement-BasedPlasterC1177/C1177M Specification for Glass Mat Gypsum Sub-strate for Use as SheathingC1186 Specification for Flat Fiber-Cement SheetsC1278/C1278M Specification for Fiber-Reinforced GypsumPanelC1280 Specification for Application of Exterior GypsumPanel Products for Use as SheathingC1289 Specification for Faced Rigid Cellular Polyisocyanu-rate Thermal Insulation BoardC1325 Specification for Non-Asbestos Fiber-Mat Rein-forced Cementitious Backer UnitsC1382 Test Method for Determining TensileAdhesion Prop-erties of Sealants When Used in Exterior Insulation andFinish Systems(EIFS)JointsC1472 Guide for Calculating Movement and Other EffectsWhen Establishing Sealant Joint WidthC1481 Guide for Use of Joint Sealants with Exterior Insu-lation and Finish Systems(EIFS)E1825 Guide for Evaluation of Exterior Building WallMaterials,Products,and SystemsE2110 Terminology for Exterior Insulation and Finish Sys-tems(EIFS)3.Terminology3.1 Definitions used in this standard shall be in accordancewith Terminologies C11 and E2110.1This practice is under the jurisdiction of ASTM Committee C11 on Gypsumand Related Building Materials and Systems and is the direct responsibility ofSubcommittee C11.05 on Application of Exterior Insulating and Finish Systems andRelated Products.Current edition approved April 1,2017.Published April 2017.Originallyapproved in 2002.Last previous edition approved in 2005 as C1535 05(2011).DOI:10.1520/C1535-05R17.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.*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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.Significance and Use4.1 This practice provides minimum requirements for theapplication of Class PI EIFS.The requirements for materials,mixtures,and details shall be contained in the project plans andspecifications.S