Designation:D7088−17StandardPracticeforResistancetoHydrostaticPressureforCoatingsUsedinBelowGradeApplicationsAppliedtoMasonry1ThisstandardisissuedunderthefixeddesignationD7088;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeisfortheevaluationofcoatingsusedinbelowgradeapplicationstoresistthepassageofwaterthroughconcreteblock.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D714TestMethodforEvaluatingDegreeofBlisteringofPaintsD1475TestMethodForDensityofLiquidCoatings,Inks,andRelatedProductsD3924SpecificationforEnvironmentforConditioningandTestingPaint,Varnish,Lacquer,andRelatedMaterials(Withdrawn2016)3D3925PracticeforSamplingLiquidPaintsandRelatedPigmentedCoatings2.2U.S.FederalStandardsTT-P-1411APaint,Copolymer-Resin,Cementitious(forWaterproofingConcreteandMasonryWalls)43.SummaryofPractice3.1Commerciallyavailableconcreteblocksorconcretemasonryunits,typically20by20by20cm(8by8by8in.)inoutsidedimensionswithahollowinsidearea(cell)ofanominal10by13by20cm(4by5by8in.)withanominalwallthicknessof4cm(11⁄2in.)arecoatedonallfourfaceswiththetestpaintandallowedtocure.Rubbergasketsaresealedtothetopandbottomofthetestblockstypicallywithanepoxy...