b'WHAT\'SRIGHTWITH CONVEYORREROOFING TURNTAB(Continuedfrompage 12) of the equipment manufacturers. Once thefoamisdry,anestimated2 Hydraulicallyraiseyourconveyor.hoursafterspraying,itisadvisable Swing it ground to roof for lifting gravel.to immediately apply aprotective top From truck to roof for shingles, insul., etc.coating,ofwhichthereareanumG-3Modelwillhandle conveyors to 33\'.beronthemarket,suchaslatex, G-5Modelwillhandleconveyorsto 43\'epoxy,hypalon,urethaneelastomers, long,reachover 40\'buildings.silicones,elastronrubber,vinylsand Hydraulicpoweredconveyorsavailable.polyvinyls, or one of asphaltic formulas such as aluminum asphalts with or CLEARFIELDMFG.,INC.withoutfibersadded. 352 So. Main, Clearfield,Utah 84015Itisclaimedthaturethanefoam Phone801/ 773-1311insulation will suffer no damage even if left uncovered for afullyear\'s exposure to weather,except for alight powdering-off on thesurface.However,bothmanufacturersandcontractorsrecommendtheuseofa coating as soon as possible after foamFORALLYOURROOFINGNEEDSing.Waterwillnotpenetratethe foam, however the surface isnot perAXESFELTLAYERSMOPSfectly smooth and may hold moisture BEAMSHATCHETSMOP BELLS BRACKETSHOISTSNAILSwhich would prevent the adhesion of BROOMS"HOTSTUFF"CARRIERSROPEthetopsurface coating appliedlater. BUCKETSKETTLESTANKERSOne of the advantages of urethane CONVEYORSLADDERSWHEELBARROWSfoamisitsself-flashingcharacteristics.Properinstallationofflashings Callor write fordescriptivecatalog:is of extreme importance in any roofingjob,asthisisoneofthemore FRANK P. FREY &CO.frequenttrouble areas. 1329 No.31st AvenueMelrosePark,Ill.60160CoverPhotograph Aspartofan overallroofingre(312}344-6690modelingproject,morethan7,000 feet of stainless steel expansion joints and cant strips have been installed on the terminal roofs of O\'Hare International Airport,Chicago. Art "Tiger" Malloy, Knickerbocker ADESIGNED SPEED-KING FELT LAYER, COMBINESRoofing and SheetMetal,Inc.,HarNEWLY Tvey, Ill., solders one of the expansion MOREFEATURES THANANYOTHERMACHINE BUilBEFORE. jointswhileCharlesKleiman,V.P. Sales,LakeChemicalCo.,Chicago, PRESSURE OIL SYSTEMmfrs. ofthefluxbeingused(Type LOWEST CENTER OF GRAVITYMA Flux) watches. BALL BEARING ROLLERS FORStainless steel for the flashings and MATERIAL (No Threading on Bar)expansionjointsusedon the O\'Hare job were adead-soft stainless,manuMORE AND LARGER VALVESfacturedinthiscase,by Washington ALL WHEELS ARE PNEUMATICSteel Co., Washington, Pa.There are FOOT AND HAND CONTROLseveralothermanufacturerswho WIND SHIELDmanufacturethistypeofsteel.If MANY MORE NEW FEATURESreaderswouldlikeadditionaldata, pleaseuse the couponattheendof thisarticle. SteepRoofing Residential re-roofing presents as a rule,fewerproblemsthantheBUR, andisanacknowledged"moneymaker."New products have been inWRITE FOR LITERATURE AND FURTHER DETAILStroducedtomakeapplicationfaster and lesscostlyinlabor.ThisinManufactured by:cludes strip shingles to cover a larger CLEASBYMFG. CO., Iarea to self-sealing features that make NC.installation faster,and the roof more 2600 IHCALLS ST., SAH FRANCISCO, CALIF. 94124329-W EWING ST., SEATTLE, WASH. 98119(Continued on page 21) 18SEPTEMBER,1971'