b'resident\' sArticle Strain Energy Comparison Greetings and salutations.so many d (contr tor vol Awaplano because in irectorsac was ch sen Just awords in regard tounteers)year-inand year-outthe Kansas City ar it is the oldfewea, the MRCA winter director\'s meet rea care about making MRCAest and most in lled SBS modillystaing in, Ariz. Wh a great- the best roofing organizationfied bitu produ Without a Tucson atmenct. time - productive work coupledinland. Ina common denominator, to comtheour committeend with good food, good fellowship,director\'s meetings, we\'re pas pare one m ied b umen that is odif itandlousy golf (but only by thissionate andbull-headed in ourhigh in tensile strength (Garland\'s writer). The weather F andvie .is good. SometimesStress Ply) to aifiedn ridayws Thismod bitumeSaturday wasperfect.After theit\'sfrustratingtothepresidentproduct that is high inion elongatprevious two weeks of sub-zerowho\'s trying to move the agenda(Tamko\'s Awaplan), is like comwind chills, it doesn\'t take muchforward in ahr,paringto smoot manne butapplesoranges. toalow from Kansas Citythat\'s ok too.T common denominator is makefel hat happy.This isnot a rubber-stampthestrain e gyconcept.The nerAfter those excelboard. T is also notassoci strainconcept can be ulent meetings,hisanenergysed it\'sobviousthatwehavetheation th is most concernedhto explain andmpare the peratwit coopportunity to make this a big the bottomline andstayinginformance of high tensile and high ctMRCA ctstime impa year for.existence for that purpose alone.elongation produ . The committees - all of themNever has been - never will be.T ten performance criteria hesile - generated greatr ideasThe end result is apositivevs. the elongationperformance prog amvery for thel show. This, in con productive asso , one thatcriteriaisanunsatisfactory annua ciationjunction with the new improvedwe can all be proud of.method ofT comcomparison.he memberrvices, will pay largebination of s gth (tensile) and se trentrac omdividends for MRCA con tors.Strain Energy C parisonelasticity(elongation)together ThedirectorsurveythatBobIt would seem that aprovide a measurement for the manufacHuntingtonworked onsodili turer who offers a-year war future performance of modified 30gently has provided valuableran system would indeedbebitumenmem anewhichis con tedbrventioninformationtohelpusproviding a superiorproduct.superior to testsatand th measure issues. Thisactor orlonfine-tune numerousFrom an owner\'s and contr \'scompare tensile strengthe includes streamlining the show\'sperspective, this would appeargation alone.to opening luncheon.be logical. However, last monthA study of load strain energy It\'s amazing tothatwe scrutinized this 30-year war wasundertakenin1986by me ranty and determined itaN S.,thenknownasthe wasfive- .I. T.year warrantyNational BureauofStandards. with options toe nd, subjecttoTh isu ,86-3418, xte doc ment NBSIR various conditions.was authored by W.er, Jr., RossitThismonth,we\'reandBentz. Rossiter and Bentz D. comparing two of Gar refertostrain energyasthe land\'s 30-yearwarranted"toughness"of themembrane. systems to a 20-year war T reforethehigh thestrain he er rantedsystem. The20-yearenergy, the tougher the material, roofisas it has a g ability to resist reater Tamko\'sru re orng than that of a ptu splittitwo - plymaterial w hstrain energy. it lower AwaToquoteDr.Rene P IDu is,\'Theuniversal anpusys- explanation as to how their tem.combined tensile strength and elongation properties Continued on page 4'