ASTM_C_1481_-_12_2017.pdf

Designation:C148112(Reapproved 2017)Standard Guide forUse of Joint Sealants with Exterior Insulation and FinishSystems(EIFS)1This standard is issued under the fixed designation C1481;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 This guide describes the use of single and multi-component,cold-applied joint sealants,or precured sealantsystems for joint sealing applications,or both,in buildingsusing Exterior Insulation and Finish Systems(EIFS)on one orboth sides of the joint.Refer to 10.1 for joint seal geometries.1.2 The elastomeric sealants described by this guide meetthe requirements of Specifications C834,C920,or C1311.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 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.1.5 There are no ISO standards similar or equivalent to thisASTM standard.2.Referenced Documents2.1 ASTM Standards:2C717 Terminology of Building Seals and SealantsC719 Test Method for Adhesion and Cohesion of Elasto-meric Joint Sealants Under Cyclic Movement(HockmanCycle)C794 Test Method forAdhesion-in-Peel of Elastomeric JointSealantsC834 Specification for Latex SealantsC920 Specification for Elastomeric Joint SealantsC1193 Guide for Use of Joint SealantsC1311 Specification for Solvent Release SealantsC1382 Test Method for Determining TensileAdhesion Prop-erties of Sealants When Used in Exterior Insulation andFinish Systems(EIFS)JointsC1397 Practice for Application of Class PB Exterior Insula-tion and Finish Systems(EIFS)and EIFS with DrainageC1472 Guide for Calculating Movement and Other EffectsWhen Establishing Sealant Joint WidthE2110 Terminology for Exterior Insulation and Finish Sys-tems(EIFS)E2511 Guide for Detailing of EIFS-Clad Barrier and Drain-age Wall AssembliesE2568 Specification for PB Exterior Insulation and FinishSystems2.2 ANSI Standard:American National Standard for Exterior Insulation andFinish Systems(EIFS)33.Terminology3.1 Definitions:3.1.1 Refer to Terminology C717 for definitions of thefollowing terms used in this guide:bicellular sealant backing,bond breaker,bridge sealant joint,butt sealant joint,chemi-cally curing sealant,closed cell sealant backing,compatibility,compatible materials,cure,elastomeric,elongation,fillet seal-ant joint,joint,lap sealant joint,latex sealant,modulus,non-sag sealant,open cell sealant backing,precured sealant,primer,seal,sealant,sealant backing,shelf-life,solvent-release sealant,shrinkage,substrate,tooling,tooling time,working life(pot life).3.1.2 Refer to Terminology E2110 for definitions of thefollowing terms used in this guide:accessories,base coat,cure,dry,durability,edge wrap,embed,expansion joint,exterior insulation and finish system(EIFS),finish coat,lamina,nonmetallic reinforcing mesh,primers,reinforced basecoat,substrate,texture,thermal insulation board,wrap.4.Significance and Use4.1 The intent of this guide is to provide information andguidelines for consideration by the designer or applicator of1This guide is under the jurisdiction ofASTM Committee C24 on Building Sealsand Sealants and is the direct responsibility of Subcommittee C24.10 onSpecifications,Guides and Practices.Current edition approved Jan.1,2017.Published February 2017.Originallyapproved in 2000.Last previous edition approved in 2012 as C1481-12.DOI:10.1520/C1481-12R17.2For 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.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036.Copyright 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 joint seals in,or adjacent to,EIFS.Refer to SpecificationE2568 for additional information pertaining to specifying ClassPB EIFS.Refer to Guide E2511 for additional informationpertaining to detailing of EIFS-Clad Wall Assemblies.4.2 Proper selection and use of a sealant is fundamental toits ultimate performance,service life,and durability.A sealantjoint subjected to movement and other similar performancefa