b"PicturingHappyGroup.LtoR,Mr.andMrs.BillBranson,Jr.,W.H, ConventionCo-ChairmenandTheirLadies,AtLeft,Mr.andMrs.LeonardBransonCo.,Houston;BobTuscher,TuscherRfg.,OakPark,Ill.;F.H. Kelly,Kelly&SonRfg.,KansasCity,Kans.,andAtRight,Mr.andMrs.Triplett,MidwestSolar,Rfg.&lnsul.,Evansville,Ind.;andEdwinKulczak, George S. Moeller, A. J. Shirk Rfg., Kansas City,Mo.Owens-Corning SalesRep., Indianapolis,Ind. tohumans.IftheequivalentamountofAmoisturesurveyinthereroofingendthegrowinguseofmoisturedetection asphaltwasinjectedintohumans, fortest- of thebusinessisacomingthing,accord- equipmentandmoisturesurveys.Partici-ing,itwouldamounttoIpoundsofingtoCliff Johnson.HepointedtogreatpatingwereRobertFirst,ClevengerRfg. asphalt being injectedinto ahuman. T hatstridesbeingmadeinthetechnicalsurvey&SheetMetal,Lima,Ohio,Dr.Edwin amount of foreignsubstance inthe humantodetectmoistureinaroofingsystem.ItMertzofNRCA,andCharlesKorhonen bodycouldcauseuntoldofproblems,candetermine,hestated,whetheranen- oftheU.S.ArmyColdRegionsResearch Krchmasaid.tireroofhastobereplaced,orwhether&Engrg.Lab.,Hanover,N.H.Thetrio Four MRCA Members Put On Panel Onpart of theroof canbe salvagedbypatch- wentintoahistoryofmoisturedetecting Reroofing and Roof Maintenanceingandreplacingpartsof it.equipment, the varioustypes available, and KurtCarlson,CarlsonProducts,Rock- Inhispartofthissession,Baccusex- the valuable information that can be picked ford,Ill.,ElmerBaccus,BaccusRfg.&plainedwaysofreroofingover steeldecks,upquicklywiththeseproducts. Siding,Herrin,Ill.,AllanBoone,Boonewood decks and how blow-in insulation hasInsulation Off-Gassing Research Reviewed Bros.Rfg.,Omaha,NebandCliffJohn- playedan importantpartinhis successfulAcurrentjointMRCA-NRCAproject son,EmpireRfg.&Insul.,Tulsa,Okla.,business.ofoff-gassingininsulationwasreported putonaninformativeseminaronroofBoonecoveredroofmaintenanceofPVConbyRoyJohnson,EmpireRfg.,Tulsa, maintenancemethods,inwhichtheyre- systems,pointingouthowatear-offofOkla.,andHollisPorcher, Secrist-HallCo., latedtheir experienceswithcoldproducts,thistypesvstemisacostlyitem.AheatCChT exas.Thsess1 0nwas 1orpusn st1 ,e moisturesurveys,hotmaterialsandsinglegunisusedformuchoftheapplication plysystems.forthistypesystem.moderatedbyDonaldMc:\\'amara,F.J.A. Carlsoncoveredninetypes of coldprod- Moisture Detection Methods CoveredChritiansenRfg.,Milwaukee,Wis. uctsexplainingmethodshisfirmusestoJohnsonexplainedhowthesouthwest promotethistypeofsysteminhisarea.Amajorcauseofrooffailureismois-.tureinthesystemresultingintensileresearchtesting projectwasdevelopedand H ecovered t h eh an dimgo fexpans10n joints,flashingdetailsandgravelstopre- strengthloss.JohnBradford,Billings,(TextContinues onPage52;Full pair.Mont.,moderatedasessiondealingwithPageofPhotosonPage50) THEBESTFORLESS Contact your local wholesaler and have him call toll-free 1-80~633-4578 or Alabama - Call 822-5381 Collect EVANSCO.Box 26036 B'ham., Ala., 35226 WheelsWt. 190 lbs. 1Bx850-BCapacity1ton. The Little Giant Trailer Perfectforhauling heating&airconditioningunits. Manufactured Exclusively by GARLOCKEQUIPMENTCO. 2601NIAGARALANE MINNEAPOLIS,MINN.,55441 Phone:Area612-553-1935 ( For Details, Circle195 On Postcard)( For Details, Circle 196 On Postcard l December,1979SNIPS49"