b"November!December,1987 IN-SERVICER-VALUE JOINT TECHNICAL BULLETIN ISSUED Enclosed with this issue of the MidwestRooferis a copy of the TechnicalBulletinreleased j ointlybytheMidwestRoofing ContractorsAssociationandthe NationalRoofingContractors Photo Courtesy of Ccntracton Guide Associationconcerning _in 1988 Officers from left: Dave Kielpinski, Harlan Hanson, Bob Dalsin, Doug Kirberg, Tom serviceR-valuesforpolyis. ocya Bollnow. nuraeandpolyurethaneroof t CERTA PROGR.Ai.'1ROBERTM. DALSIN insulationboards. Theaccompa MRCA's newlydevelopedCer MRCA 1988 PRESIDENT nyingTechnicalExaminationtifiedRoofingTorchWelding andExplanationsetsforththeApplicatorProgram presented atNewofficersand5new scientific evidence upon which theour recentconvention inKansasdirectorswereelectedtoserve recommendationintheBulletinCitywas an outstanding success.MRCA during 1988 at the annual is based.Ourgoalwastoteachsafetymeetingofthemembershipof TheTechnicalBulletinrec training to at least 50 torch weldedMRCAheldNovember3in ommendsthatdesignersofroof modifiedbitumenapplicators.KansasCity.1988Officersand ing systems use an R-value of5.6We trained 78with a numberofDirectors are listed on page 6. perinchoffoamthicknessasainterestedpersonsauditingtheThemembershipratifiedthe reasonableguidewhencalculat full day course.changeintheMRCA'sBylaws ingthermalresistanceforpoly Currently,wehave7trainedprovidingforanincrease inthe isocyanurateandpolyurethaneCERTAInstructorslocatedinnumberofdirectors,notalso insulationboardsovertheirKansasCity,St. Louis,Denver ,serving as officers, from 12 to 1 7. normallifeinaroofingsystem.Tulsa,andMinneapolis.TheseThetermsofthecurrentand MRCA urges all architects ,engi instructorsareavailable topro futuredirectorswerealso neersanddesignspecifierstovidesafetytrainingtoheatextended from 2 toadopt this standard when design 3 years. ing a roofing system using one ofweldedroofingsystemapplithese insulations.cators in their areas.INSIDE We ask that youassist' intheInstructorscoursesarePage disseminationof this Bulletin byscheduled for January 15&16Prez Sez andJanuary29&30atthe. 2 providing copies toareacontrac RoofingIndustryEducationalRoster Changes 2 tors,architects,engineersandInstitute,Denver,Colorado. TheMccawleyAward. . 2 designspecifiers.Contactthecostof the11/2daysessionisDirect from Directors . 3 MRCA office for any extra copies$ 295.Enclosedarea p plications y forthesessions ,to 4 ou need.g etherwithStatic Electricity . Toinsureanaccurateinformationabouttheprogram.New Members . .4 comparisonofroofinsulationClasssizeislimitedsoenrollRecordConvention boardsanda level playingfieldearly.Foradditionalin Attendance . 5 duringthebiddingprocess,formationcontacttheMRCAReflections .5 MRCA suggests that the enclosedoffice816-421-MRCA or RIEI at (Continued on page 6)303-770-0613. Officers &Directors 6"