b't hn;ea1&- Rcseah- - - - - - - - - ;b - - - - - - - -1~ Technical and Research Presentations to Highlight Upcoming Convention By Rene Dupuis T MRCA Tech cal andon installation top sthefield per v editsl EPDMshrinkagetask heni ic andenchast-grow actors Resear (T&R)commit formance trends for this f force,inc udingcontr and tee contin its work asingsegmentofroofingtechnicalrepresen tivesfrom uestain tryby pre industry.CarlisleandFirestone.Kim dus watchdog sentingtwo educational programsThethirdT programwillSch MRCA T&R Committee &Rwickert, gleThe nu la hairon heat-weldable sin ply.r focus on polyisocya rate insuC , will present a new bulletin as aimopl tic polyolefin(TPO)singletionandnew blowing agents. Byshowing thelatest flashingrep r ply continuesto growinusage,2003, the current hydro-chloroflu detairecommended forgene c Isrialongwithreinforcedpolyvinylor n, (HCF 1 b) blowinguse on EPDMroofs experiencing ocarbo C- 41 chloride (PVC).agent will no longer be available.shrin .Com member kage mittee The first T progr will fea Newblowingagent(s)maybeaJohn DalylawA &Ramwil presentne MRCTheMRCAture presentationsbyDick Gillen formpentane, p a isomers,"User\'sGuide," whichwill index ofent ne water of Carl sle-Syntec and Briancarbon dioxide,a blend of theseinformation regarding the various i or Tcommittee hasWhelan of/ii, along with othera nts. Dimensionalstability andAST FM,tests called for &RSarna ge M,and UL reconvened its EPDMindustry experts. They will presentfacerdelam haveg inspecifications, and provide inationivenroof rondon,actorsobthe nitty-gritty details, p a c some contr pr lemswithdefinitions of what specifiers want shrinkage taskofT s.Rene\'Du is,MR currentproductio Fir in terms ofnglts as part of force.PO pu CAn.estonetesti resuTechnical Adviser, w highlightBu Prod will present itsthe su ls. "T&R Update" will illtheildinguctsbmittasimilarities andesinapproach to producing polyisocya end with a brief status report on the differenc seen the installation and field perform nurate insulation with new blowingMRCA roof coatings research procemembranes.tlyrog essan of thermoplasticagents.JohnLetts,Firestone\'sgram curren in p r . T secondT&Rr willTechnical D Insulation andRene\'Dupuisisa technical heprog amirector of include a p l discussion amongJohnGeary,Firestone\'sProdu adviser for MRCA, andthe presane ctis severalroofingcontr withManagerwillpresentthe com identStructural R e ch,. in actorsofes ar IncPOacT experience, featuring contr pany\'s progress on selecting, test Middleton, Wis. ontio andnew tor debatethefield installa ning,usingblowing agents behaviorofthermo asticmem in the productionpolyisocyanupl of bran , includingsPVCs.ratela on. Thisa timely es TPO andform insu ti is T imp willideprogram that will present the latest hisortant sessionprovattendees with curr t informa information. en tion Finally,theannual"T&R Update" program will on again ce focusonthelatest activities and findingsbythecommittee.The MRCA T&R committeerecon-has'