BS EN 13495-2003 Thermal insulation products for building applications - Determination of the pull-off resistance of external thermal insulation composite systems (ETICS) (foam blo.pdf

1、BRITISH STANDARD BS EN 13495:2002 Thermal insulation products for building applications Determination of the pull-off resistance of external thermal insulation composite systems (ETICS) (foam block test) The European Standard EN 13495:2002 has the status of a British Standard ICS 91.100.60 BS EN 134

2、95:2002 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 11 April 2003 BSI 11 April 2003 ISBN 0 580 41581 3 National foreword This British Standard is the official English language version of EN 13495:2002. The UK participation in its preparat

3、ion was entrusted by Technical Committee B/540, Energy performance of materials, components and building, to Subcommittee B/540/1, European Standards for thermal insulation, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its se

4、cretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Cat

5、alogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand

6、 the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a f

7、ront cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13495 October

8、2002 ICS91.100.60 Englishversion Thermalinsulationproductsforbuildingapplications Determinationofthepulloffresistanceofexternalthermal insulationcompositesystems(ETICS)(foamblocktest) Produitsisolantsthermiquesdestinsauxapplicationsdu btimentDterminationdelarsistancelarrachement dessystmescomposites

9、disolationthermiquepar lextrieur(systmesI.T.E)(essaiaublocdemousse) WrmedmmstoffefrdasBauwesenBestimmungder AbreifestigkeitvonauenseitigenWrmedmm Verbundsystemen(WDVS)(SchaumblockVerfahren) ThisEuropeanStandardwasapprovedbyCENon19August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegula

10、tionswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions

11、(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Gree

12、ce, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyany

13、meansreserved worldwideforCENnationalMembers. Ref.No.EN13495:2002EEN13495:2002(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions,symbolsandunits 4 3.1 Termsanddefinitions. .4 3.2 Symbolsandunits . 5 4 Principle5 5 Apparatus .5 5.1 Testapparatus 5 5.2 Concreteslab .

14、 6 5.3 Foamblocks . 6 5.4 Glue .6 5.5 Timberpanel .6 5.6 Tensiletestingmachine . .6 6 Testspecimens 6 6.1 Preparationoftestspecimens. .6 6.2 Numberoftestspecimens 6 6.3 Conditioningoftestspecimens .7 7 Procedure .7 7.1 Testconditions . .7 7.2 Testprocedure .7 7.3 Calculationandexpressionofresults. 7

15、 8 Accuracyofmeasurement. .7 9 Testreport . .7EN13495:2002(E) 3 Foreword Thisdocument(EN13495:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC88,“Thermalinsulating materialsandproducts“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandard shallbegiventhestatusofanationalstandard,eitherbypublicationo

16、fanidenticaltextor byendorsement,atthelatestbyApril2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby April2003. ThisEuropeanStandardisoneofaseriesofstandardswhichspecifytestmethodsfordeterminingdimensionsand propertiesofthermalinsulatingmaterialsandproducts.Itsupportsaseriesofproduct

17、standardsforthermal insulatingmaterialsandproductswhichderivefromtheCouncilDirectiveof21December1988onthe approximationoflaws,regulationsandadministrativeprovisionsoftheMemberStatesrelatingtoconstruction products(Directive89/106/EEC)throughtheconsiderationoftheessentialrequirements. ThisEuropeanStan

18、dardhasbeendraftedforapplicationsinbuildingsbutmayalsobeusedinotherareaswhereit isrelevant. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Gree

19、ce,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN13495:2002(E) 4 1Scope ThisEuropeanStandardspecifiesequipmentandaprocedurefordeterminingofthepulloffresistanceofexternal thermalinsulationcompositesystems(ETICS)whicharemechanicalfixe

20、dormechanicalfixedandbonded.The methoddescribedisknownas“foamblocktest“. NOTE ThistestisnotintendedtomeasurethepulloffresistanceoftheETICStothesubstrate. 2 Normativereferences ThisEuropeanStandardincorporates,bydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecited

21、attheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferencessubsequentamendmentsto,orrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includinga

22、mendments). EN2061, ConcretePart1: Specification,performance,productionandconformity . EN822, Thermalinsulatingproductsforbuildingapplications Determinationoflengthandwidth . EN823, Thermalinsulatingproductsforbuildingapplications Determinationofthickness . EN10151, Methodsoftestformortarformasonry

23、Part1:Determinationofparticlesizedistribution(bysieve analysis). EN1602, Thermalinsulatingproductsforbuildingapplications Determinationoftheapparentdensity . EN1607, Thermalinsulatingproductsforbuildingapplications Determinationoftensilestrengthperpendicularto faces. prEN13499:1999, Thermalinsulatio

24、nproductsforbuildings ExternalThermalInsulationCompositeSystems (ETICS)basedonexpandedpolystyrene Specification . prENISO3251,Paints,varnishesandplastics Determinationofnonvolatilemattercontent (ISO/DIS 3251:2000). ENISO 33861, Polymericmaterials,cellularflexible Determinationofstressstraincharacter

25、isticsin compression Part1:Lowdensitymaterials (ISO33861:1986) ENISO34511, Plastics Determinationofash Part1:Generalmethods(ISO34511:1997). prENISO9229:1997, Thermalinsulation Definitionsofterms(ISO9229:1997) 3 Termsanddefinitions,symbolsandunits 3.1 Termsanddefinitions ForthepurposesofthisEuropeanS

26、tandardthetermsanddefinitionsgiveninprENISO9229:1997andprEN 13499:1999apply.EN13495:2002(E) 5 3.2 Symbolsandunits Symbolsusedinthisstandard: s isthepulloffresistance,inkPa; F isthemaximumtensileload,inkN; A isthecrosssectionalareaofthetestspecimen,inm 2 . 4Principle Thepulloffresistanceofexternalthe

27、rmalinsulationcompositesystemsisdeterminedbyconductingthestatic foamblocktest.Thepulloffresistanceiscalculatedfromthemaximumtensileload. 5Apparatus 5.1 Testapparatus Apparatuswithwhichthetestingloadisgeneratedbyahydraulicjackandtransferredviaaloadcelltocrossed steeljoists.Thejoistsarefixedwithtimber

28、screwstotheplywoodpanelinsuchaway,thattheloadapplicationis inthemiddleoftheplywoodpanel. AnexampleoftestapparatusandtestspecimenisgiveninFigure1. Key 1 Tensionforce F 2 Timberpanel 3 Foamblock 4 Basecoat 5 Reinforcement 6 Thermalinsulationmaterial 7 Reinforcedconcreteslab 8 Anchors 9G l u e Figure1E

29、xampleofatestapparatusandtestspecimenforthestaticfoamblocktestEN13495:2002(E) 6 5.2 Concreteslab TheconcreteslabdimensionsshallbeatleastthedimensionsoftheETICSspecimen.Thethicknessofthe concreteslabshalltakeaccountofthelengthsofthefixingdeviceshaveaminimumthicknessof100mm.The concreteslabshallhaveam

30、inimumstrengthclassofC20/25accordingtoEN2061. 5.3Foam blocks Foamblocksofdimensionbetween200mm 200mmand333mm 333mm.Thethicknessofthefoamblocks shallbe300mmto500mm.Thefoamblockshallbeweakenoughtofollowalldeformationsofthefinishingcoat withoutaffectingthebendingstiffnessofthesystem.Thetensilestrengtho

31、fthefoamblock,consistinge.g.of polyetherfoam,shouldbeintherangeof80kPato150kPa,therupturestrainshouldexceed160 %.The compressionstressvalueaccordingtoENISO33861shouldbeintheorderof1,5kPato7,0kPa. NOTE Asuitableinitialthicknessoftheblockelementsis500mm.Afterthedeterminationisfinished,theblockscanbecu

32、t offwithahotwire.Theymaybereusedforatleast20timesuntiltheremaininglengthisstillabout300mm. 5.4Glue Theglueshallbesuitableforroughsurfaces(rendersurface),fortimberandforthefoamblockused(e.g.solvent freeepoxyadhesiveorpolyurethaneadhesive).Theglueshallnotdamagethethermalinsulationmaterial,the basecoa

33、tortheadhesiveandnotinfluencetheresults. 5.5 Timberpanel Thetimberpanelshallhavethesamedimensionsasthetestspecimen.Themechanicalstabilityofthetimber panelsshallnotinfluencethetestresults. 5.6 Tensiletestingmachine Thetensiletestingmachine,appropriatefortherangeofforceanddisplacementinvolved,capableo

34、fhavinga constantcrossheadspeedadjustedto(10+1)mm/min.Itshallbecapableofmeasuringtheforcewithanerror limitof1%(seeEN1607). 6 Testspecimens 6.1 Preparationoftestspecimens ApplytheETICStobetestedtoaconcreteslabbyusingthemechanicalfixingdevicesinaccordancewiththe specificationsofthemanufactureroftheETI

35、CS.Whenusingsolelyfixinganchors,thesemaybeuniformly distributedoverthetestspecimenarea.Coatthesurfaceofthespecimenwiththebasecoat,containingthe embeddedreinforcement,inaccordancewiththemanufacturersinstructions.Thetestspecimenshallreflecta realisticareaofthewholesystemincluding,ifnecessary,severalbo

36、ards. Thepullofresistanceisdependentonthethicknessofthethermalinsulationmaterial.Forthisreasonthethermal insulationmaterialatthetestshallhavetheminimumthicknesswhichissuppliedbythemanufacturerofthe systemandfulfilstherequirementofETICSwithadeclaredthermalresistanceequaltoorgreaterthan1m K/W. Afterat

37、imeperiodwhichisspecifiedbythemanufacturergluefoamblocksoverthewholerendersurfaceofthe testspecimen(5.4).Thenglueatimberpanel(5.5)tothefoamblocks,usingthesameglue.Thedeterminationcan beperformedafterthegluehascompletelyhardened. 6.2 Numberoftestspecimens Atleast3testspecimensarerequiredforthedetermi

38、nation.EN13495:2002(E) 7 6.3 Conditioningoftestspecimens TheconditioningofthetestspecimensshallbecarriedoutasspecifiedintherelevantETICSproductstandard. NOTE IntheabsenceofaproductstandardforETICSoranyotherEuropeantechnicalspecification,theconditioning proceduremaybeagreedbetweenparties. 7Procedure

39、7.1Test conditions Thetestshallbecarriedoutat(23+5)C. 7.2 Testprocedure CarryoutthepulloffresistancemeasurementasdescribedinaccordancewithEN1607untilfailureoccurs.Apply thetensileloadperpendiculartothetestarea(seefigure1).Unlessotherwisespecifiedoragreed,increasethe loadwithaconstantcrossheadspeedad

40、justedto(10+1)mm/min. Recordthetensileforceatthemaximumloadachieved.Rejectanytestwherethemodeoffailureisafractureat thegluelayerbetweenthetestspecimenandthefoamblockorbetweenfoamblockandtimberpanel. 7.3 Calculationandexpressionofresults Calculatethepulloffresistance s , inkilopascalsusingtheequation

41、: A F = s (1) where F isthemaximumtensileload,inkilonewton; A isthecrosssectionalareaofthetestspecimen,insquaremetre; s isthepulloffresistance,inkilopascal. Theresultsshallberoundedtothenearest1kPa. 8 Accuracyofmeasurement NOTE Ithasnotbeenpossibletoincludeastatementontheaccuracyofthemeasurementinth

42、iseditionofthestandard. Butitisintendedtoincludesuchastatementwhenthestandardisnextrevised. 9 Testreport Thetestreportshallincludethefollowinginformation: a) areferencetothisEuropeanStandard; b) productidentificationgivenbythesystemmanufacturer; 1)ETICS; i) productname,factory,manufacturerorsupplier

43、; ii) batchnumbersofthecomponents;EN13495:2002(E) 8 2)Base coat; i) packagingwhentheproductarrivedatthelaboratory; ii) theformoftheproduct(pasteorpowder); iii) preparationoftheproduct(withaddingcement,waterorothercomponents,timeandprocedurefor mixingthecomponentsbeforeapplication); iv) typeofthemainbindersoftheproduct(lime,cement,organicbinder); v) iftheproductisapaste,thenonvolatilematterdeterminedinaccordancewithprENISO3251,test conditions3hat105C; vi)ifthemainbinderoftheproduc