ASTM_E_2570_-_E_2570M_-_07_2014e1.pdf

Designation:E2570/E2570M07(Reapproved 2014)1Standard Test Methods forEvaluating Water-Resistive Barrier(WRB)Coatings Usedunder Exterior Insulation and Finish Systems(EIFS)or EIFSwith Drainage1This standard is issued under the fixed designation E2570/E2570M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEUnits information was editorially corrected and editorial changes were made throughout in September 2014.1.Scope1.1 These test methods apply to trowel,roller,or sprayapplied Water-resistive barrier(WRB)coatings that are appliedover exterior sheathing prior to application of EIFS or EIFSwith drainage wall claddings.1.2 Test methods for in place wall system and claddingrelated to tests such as fire resistance,wind load capability,airbarrier performance,and so forth.should also be consideredbut are outside the scope of this document.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.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.2.Referenced Documents2.1 ASTM Standards:2C297/C297M Test Method for Flatwise Tensile Strength ofSandwich ConstructionsD2247 Practice for Testing Water Resistance of Coatings in100%Relative HumidityD2898 Practice for Accelerated Weathering of Fire-Retardant-Treated Wood for Fire TestingE72 Test Methods of Conducting Strength Tests of Panelsfor Building ConstructionE96/E96M Test Methods for Water Vapor Transmission ofMaterialsE330/E330M Test Method for Structural Performance ofExterior Windows,Doors,Skylights and Curtain Walls byUniform Static Air Pressure DifferenceE331 Test Method for Water Penetration of ExteriorWindows,Skylights,Doors,and Curtain Walls by Uni-form Static Air Pressure DifferenceE631 Terminology of Building ConstructionsE1233/E1233M Test Method for Structural Performance ofExterior Windows,Doors,Skylights,and Curtain Walls byCyclic Air Pressure DifferentialE2110 Terminology for Exterior Insulation and Finish Sys-tems(EIFS)E2134/E2134M Test Method for Evaluating the Tensile-Adhesion Performance of an Exterior Insulation andFinish System(EIFS)E2485/E2485M Test Method for Freeze/Thaw Resistance ofExterior Insulation and Finish Systems(EIFS)and WaterResistive Barrier Coatings2.2 AATCC Standards:3AATCC 127 Water Resistance:Hydrostatic Pressure Test3.Terminology3.1 Definitions related to EIFS may be found in Terminol-ogy E2110 and general terms in Terminology E631.4.Significance and Use4.1 This series of test methods provides a means to evaluateperformance of the water-resistive barrier coating when sub-jected to various physical and environmental conditions.Thewater-resistive barrier coating is applied between the EIFS and1This test method is under the jurisdiction of ASTM Committee E06 onPerformance of Buildings and is the direct responsibility of Subcommittee E06.58on Exterior Insulation and Finish Systems(EIFS).Current edition approved Sept.1,2014.Published September 2014.Originallyapproved in 2007.Last previous edition approved in 2007 as E257007.DOI:10.1520/E2570_E2570M-07R14E01.2For 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 Association of Textile Chemists and Colorists(AATCC),P.O.Box 12215,Research Triangle Park,NC 27709-2215,http:/www.aatcc.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 substrate in an EIFS-clad wall assembly and is intended toprovide additional protection to the building and its contentsfrom incidental moisture intrusion that may occur through thebuilding envelope.Although protected from direct weatherexposure after the EIFS is installed,the coating must bedurable and weather resistant as it is subjected to variousenvironmental conditions prior to application of the EIFS aswell as while the system is in service.5.Test Specimens5.1 Tensile Bond:5.1.1 Prepare five samples for each sheathing substrate,aminimum of 152 mm 152 mm 6 in.6 in.,that consists oftwo sheathing sections assembled with a 3.2 mm 18in.widejoint.Apply the joint treatment,if applicable,and water-resistive barrier coating in accordance with the manufacturersrecommended instructions.