b'oStandards.TheConventi onwashelda ttheHo\':eSkirvininOklahoma ctyand\\lillia:nCullenandThomasBooneofthe~:;presentedaoaoer ttled,"PredictingPerformance ofBuilt U?Roofs.Anotherin?Ortant sessionwaschairedby ~ i ll Kuglertitled,"Roofi::iRevolut ion:Plastics in Perspective."Membe~shi phadgrownto156a~dourreput ationfor im?ortantcontri~utionstotheroofingindustry~~5growingevenfast er. The18CAwaswellonits waytobecomingoneof\':hebesttradeassociatio:-is.AttheOctober,1968Boardneeting,theY2L~.establishedforthe firsttimeaclassofassociatemeDbers,thereby~=rni ttingroo:ingcontractorsoutsidetheMRCil.boundari estojointhe .:ssociation.Thepolicy alsoadmittedformembershipfirnswhichwerenot?.oofingContractorsbut in relatedfields.It didcontinuethepolicyo::excl udingf rommembership manufacture rsandsuppliersofroofing~aterialsa::dproducts.TheMRCA returnedtotheHotelMuehlebachin KansasCit y::ortheconventiont hat yearandalsoproducedthesecondedition ofour"Don\'tPanic"booklet. Thetradeshowincreasedto80booths.Theyear\'sac tivities hadincluded asu?erinte ndentsconf erencein Lincoln,Nebraska,in cooperationwiththe MRCAandthecasting ofanega tivebal lot ont hetestcut recommendation developedbytheAS~~!.TheConvention?rogr amdealtnotonly withexpension andcontractionof materialsandstructures,jut a l sopresentedone ofthefirstindustryprogramsonblow-offs.k~~t:\'ierinformativesessior. dealt withUrethane.Duet othetremendousgrow::,i r.m.e:rbershipwhich resultedinadditionalwork,Hr.LyonsbroughtJi=, Whittierintothe Association. In1969theMRC!.continuedtoi nvestin Tec::__-,i.:::alandResearchprojects.Aprogra.\':l,"BURandtheSixties- Decadeof Uncert a inProgr ess, ",:as present edat theconventionin Color adoSpringsandpromptedapublica tio:1 editedbyPaul~!orrisandpublishedin 1970entitl ed,"MRCAReportsonTe:1 ,Yearso fRoofingResearch."SincethistLTe,threesu::isequenteditions havebeenprintedandsold. Amongthetopicsontheagendaat thet970co:1vention at Stouffer\'s RiverfrontInnin St.Louiswasasessionwhichc;:.:estionedthe manufacturers\'movementtowardcoatedsheets,ar eportontests ofasphalt conductedbytheNBSpresentedbyBill Cullenandl:\'2.xTryon,anin-depthloo\\: at on-the-jo::isafety,andapr eviewofaconcept nhichMRCAfeltvery stronglyabout calledBUREC,anacronymforBuilt U?Roofing Evaluation Committ ee. During1971twoof ourpastpresidents,Paul MorrisandTomManson, trave l edtoEuropetoexploretheproduc tsandtechni quesusedintheir built uproofconstruction.Asaresult ofthistrip,fourroofingcontractorsfro.mEngland,Belgi~"TI,andSwitzerlandattendedt he1971Co:.vent ioninKansasCity.This was thefirsts interchangeofideasin which .ich theM hadt aken part.TheEPAwassta rtingto makeitselfknow:.and, RCA inmanya r easacrossthecountry,roofingcontractorswere beingcitedfor .a ir pollution.Aprogram ont hissubjec twaspresentedandOSHAwas i ntroducedtotheindustry. TheBroadmoorinColoradoSpr ingsonceagain hostedthe1972conven-tion.Du""~-fr.es es sion,wetoo,,::asc. architectsintheirBURSIprogra.\'TI.BillCullen pr esent edaverytimely programentit l ed,"SlippageofBURHembr a.7es- Ca.:sesandPrevention," whichinformedallconventionattendeeso fthei :- usasphalt"fall bac: " ,::amo ::phenomenonandourExecuti veSecretary ,BobLyons,presentedhisfamous "Pitfall s,Pr atfalls,andPerilousPathsThroughtheLegalLabyrinth " l ecture .- 7-'