b'temperature, wind velocity, etc., allo(to sell anythmg that you wouldn\'t buyRoofs whichgreatlyaffecttheapplicationyourself. temperatureandofcoursetheThere are many factorsinvolved in viscosity of the material.a lot ofdetermining what type of re-roofing isTallest Another session generatingdoneoneachjob.Itwouldbe interest was the bread and butter topicimpractical to put an expensive roof on of "Re-roofing- Boom or Bust", which consisted of a discussion of the variousan old building. By the same yardstick,.Building iftheoldroofhasoutlivedits techniquesinvolvedintherepair,usefulness, it might be bettertear it to recovering and replacement of built-upoff andcompletelyreplaceit than to roofs. The panel was comprised of anrepairitorjustaddamaintenance impressivegroupofcontractorscover. including Chris Fiedler, Jr., Memphis,Theownersabilitytopayisof Tenn., Charles Cornell, Independence,primaryconcern.Ifhecanafford Mo., Ronald Martin, Wichita, Kansas,repairs,butnotarecoveringjob, AlvinA.Odgen,Attica,Kansasandperhapstheworkneededcanbe A.B.Padon,Jr.,Omaha,Nebraska.budgeted over a period of years. This is PaulMorrisandRaymondW.a practical way to handle an exceeding Schultz, both ofCity, Mo., gave Kansaslarge building with many levels, or a aslidepresentationonthe20-yearcomplex of structures of varying ages. historyofaroof withblisters,withOf importance, too, is whether or not detailsonhowblisterridgerepairsthe return on the building is sufficient couldbedonewithoutthetear-offtothe work required. Consider also, do whichis so often recomme1ded.the type of interior and its contents. A The key to profits in re-rC\'ofing work,tear-offmightbedifficulttohandle according tothesecontractors,is(a)undercertaincircumstances.Other extensivesupervision,(b)adequatefactors are the type of construction and knowledge on techniques, (c) skill,(d)the slope of the roof. Never Ingenuit.r,anJ [~)complete integrity.recommend somethingyour customer that might to The rule tiit\\y~! sail, is nevercause future problems, keeping in mind \'f,!~&.t\\~e,y thatasarule,thecustomers knowledgeofwhatisinvolvedis usually minimal.Amajor addition to the Chicago skyline is the 110-story Sears Tower, the world\'s tallMcCAWLEY AWARDest office structure. The 5th annual James Q. MccawleyDESSENTROOFINGCOMPANY, awardwaspresentedtoGeorgeInc., Chicago, roofed the Sears Tower Stephenson,StephensonRoofingbuilding, the tallestoffice building in Company,St.Louis,Mo.forhisthe world, reaching 1454 feet into the contributionstotheroofingindustrysky. Dessent beganwork in January over the years. He has served in many1972, and is scheduled for completion in offices,includingthatofMRCANovember 1973,sealing several steppresident and at present is serving asbackroofs,sevenfloorshousing NRCA,vice-president.As apart ofmechanicalequipment,whichwere MRCA\'s research program,he touredwaterproofed to prevent leakage in the LOST ! ! ! !five countries in Europe in May 1971,eventthefiresprinklersystem carrying a100-pound back-pack videobecomes operational or a break occurs tape recorder,photographing roofingin aplumbing service line. systemsandmethodswhereverheFreight elevatorswereinstalledin went.the building as soon as the structure BobLyons,MRCA,Executivewascompleted,incontrastto Secretary, who made the presentation,temporary exterior elevators generally said that George has the reputation ofused in high rise construction. Building gettingthingsdone."Anytimeyoumaterials were then delivered to each want something done, just ask Georgefloorvia freight elevator. and it will be done."Morethan300,000squarefeetof Asatangibleexpressionofhowfloor space was treated with layers of highly he is regarded by his industry15-lb. tarred felt, embedded in Coal Tar associates,theMRCABoardofPitch.Inthesystem,waterwillbe Directorsestablishedascholarshipconfined to the floor affected and then fundinhonorofGeorge"Eddy"eliminated through a network of floor Stephenson,Jr.,hiseldest son,whodrains and discharge lines. was killed in an accident in July 1971,Onthesevenmechanicalfloors, just afewshort monthsafterbeingthree-ply coal tar membranesystems .discharged from active service duty.wereappliedoverconcretedecking Thefundisforthepurposeofsupported on cellular steel sub-flooring. providing a scholarship for a deservingFour-ply systems are used at the 106, young man attending the University of109and110levels,whichroofthe Missouri.Manywhowereattendingstepped-back upper structure. PLEASED!!!!thebanquetclosingthe c-onvention,The specifications and materials for upon learning of the scholarship, madethewaterproofingwerebythe added contributions to the fund.Koppers Co. NOV. - DEC., 19737'