Designation:D2829−07(Reapproved2013)StandardPracticeforSamplingandAnalysisofExistingBuilt-UpRoofSystems1ThisstandardisissuedunderthefixeddesignationD2829;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeisaguideforremovingtestspecimensfromexistingbuilt-uproofingsystemsinthefieldandfordeterminingtheapproximatequantitiesofthecomponentsofthatspecimen(Note1).Componentsdeterminedmaybe:1.1.1Insulationcomponentswhentheyarepartoftheroofmembranesystem,1.1.2Pliesofroofingfelt,1.1.3Interplylayersofbituminousmaterial,1.1.4Topcoating,and1.1.5Surfacing.NOTE1—Thisprocedureisfortheinvestigationofexistingroofsandisnotintendedfornewconstructioninspection.1.2Thispracticeisapplicabletoboth914-mm(36-in.)and1000-mm(393⁄8-in.)widefeltrolls.1.3ThevaluesstatedinSI(metric)unitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionaryinformation,see6.3.2.1.2.ReferencedDocuments2.1ASTMStandards:2D226SpecificationforAsphalt-SaturatedOrganicFeltUsedinRoofingandWaterproofingD227SpecificationforCoal-Tar-SaturatedOrganicFeltUsedinRoofingandWaterproofingD249SpecificationforAsphaltRollRoofing(OrganicFelt)SurfacedwithMineralGranules(Withdrawn2002)3D250StandardSpecificationforAsphalt-SaturatedAsbestosFeltUsedinRoofingandWaterproofing(Withdrawn1991)3D371SpecificationforAsphaltRollRoofing(OrganicFelt)SurfacedwithMineralGranules;WideSelvage(With-drawn2002)3D1079TerminologyRelatingtoRoofingandWaterproofingD2178SpecificationforAsphaltGlassFeltUsedinRoofingandWaterproofingD2626SpecificationforAsphalt-SaturatedandCoatedOr-ganicFeltBaseSheetUsedinRoofi...
