Designation:D4258−05(Reapproved2017)StandardPracticeforSurfaceCleaningConcreteforCoating1ThisstandardisissuedunderthefixeddesignationD4258;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeincludessurfacecleaningofconcretetoremovegrease,dirt,andloosematerialpriortotheapplicationofcoatings.Proceduresincludebroomcleaning,vacuumcleaning,airblastcleaning,watercleaning,detergentwatercleaning,andsteamcleaning.1.2Thispracticeisnotintendedtoalterthesurfaceprofileoftheconcretebuttocleanthesurface.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection5.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4259PracticeforAbradingConcreteD4260PracticeforLiquidandGelledAcidEtchingofConcreteD4262TestMethodforpHofChemicallyCleanedorEtchedConcreteSurfacesD4263TestMethodforIndicatingMoistureinConcretebythePlasticSheetMethodD4285TestMethodforIndicatingOilorWaterinCom-pressedAir2.2OtherStandard:ACI-308GuidetoCuringConcrete33.SummaryofPractice3.1Surfacecleaningisintendedtoprovideaclean,contamination-freesurfacewithoutremovingconcretefromintact,soundsurfaces.3.2Acceptablesurfacesshallbefreeofoil,grease,looselyadheringconcrete,andothercontaminatio...
