Crossword clues for Build up 8 letters:BUILDINGErectionBUILDINGOne of our great industries.BUILDINGIt may be filled with officesBUILDINGSee 22-AcrossBUILDINGGroundbreaking development?BUILDINGThe construct-ive criticism beginsADDSONTOBuilds a wing for, as a buildingEMERALDSOz building materialPENTAGONBuilding in D. C.PENTAGONWorld's largest office building.ELEVATOROffice building feature, which can precede the ends of the answers to starred cluesFIRECODE*Building inspector's concernMODELINGPlane-building hobbyTHEATERSBroadway buildingsCONVENTSBuildings with cellsKEYCHAINBuilding superintendent's gadgetATHLETICHercules' build.COMPOUNDFenced-in group of buildingsLOWRISESBuildings that don't need elevatorsFLATIRON___ Building (Manhattan landmark)ADDSONTOBuilds upOILINGUPBody-building routineEYESORESDilapidated buildings, sayEYESORESCondemned buildings, sayHIGHRISEKind of apartment buildingCOMPOUNDMulti-building areaHANDYMANApartment-building workerPAVILIONFair buildingMINISTRYGovernment buildingDREDGERSTunnel-building machinesDEMOLISHBulldoze, as a buildingASSEMBLEBuildSHIPYARDBoat building siteFIREWALLBuilding safety partitionFLATIRONIconic building with "point" officesPORTICOSFeatures of many court buildingsSLUMLORDIrresponsible building ownerFIRETRAPDecrepit building, perhapsKINGKONGEmpire State Building climberMEGALITHBrobdingnagian building blockSTARGAZEBuild castles in the airTENEMENTRun-down buildingADDSONTOBuilds a porch for, e.g.TERMINALAirport buildingSIDEDOORAfter-hours building entranceALEHOUSEDraft-y building?REMEDIALLike some skill-building classesPREMISESBuilding and groundsTOOLSHEDBackyard buildingEYESORESAbandoned buildings, say