b'_e_c_h_n_o_l_ogy & R a ______ _ _ ____________ _;=\'_,__e_s_e__r_c_h _MRCA RoofT Coatings In-Situ Testing and Research Program Underway ByCard Bob Building Envelope Technology and Research MRCA will be testing roof coat weather shielding benefits for theCommercialfs, Roo Inc. ings in 1 the Roof Coat underlying roof membranes,.)The contractors h identified 999 usingetc ave ings Testing Protocol. The proto and performance characteristicsroofs that meet the specified critecolwasdraftedbyMRCA(including status of complianceria of the testing protocol, which technical adviser Jimrlson ofwith fire resistance criteria overincludesminimumroofslope, CaBuildingEnvelopeTechnologytime) over different types of bitu membranetypeandage,and and Research of Seattle in 1998.minousroofmembranesinlocally low levels of airborne conTheMRCATechnicalanddiverse climates.taminants or industrial pollutants. Research (T&R)committeeisThreecoatingmanufacturersOnce weather permits, the roof implementing the protocol,(Fields, Henry/Monsey Bakor, andsur wil I be prepared and the whichfaces Karnak)coatings applied according to the havepredeterminedprotocol,and enthusi monitoring of the coatings will be course asticallyperformed over theof the agreed tonext two-to-five years.~ provideT overall goal of the heproject coatingis to assimilate the data obtained materialsfrom the observations to develop Roof Coatings Testing Protocolwas originally conceived by cur forthetesting,whichwillbeand publish aguide for the users participants (left to right}:rent MRCA President Kurt Baum shipped .to the designatedcon selection, use, and application of Jett Stephenson, Stephenson Roofing;gartner. Following an initial coor tractors for application as weathergeneric types of roof. coatingsBob Osterholt, South Side Roofing;dination meeting heldKansaspermits. Coatings toappliedAn initial project update will be inbe Larry Hottman, Stephenson Rooting;C y,Mo. in March, the MRCAinclude: alumin pigmented andpresen at theMRCA an l Ron Parr, Kaw Roofing; Don Sharp,it umtednuaSun Commercial Roofs; Paul Beemer,roof coatings testing and researchtitaniumdioxidepigmentedconvention in Kansas City, Mo. in Henry Company; Doug Richardson,project is underway. T testingasphalt emulsions, premium andOctober. A full report on the findhe Sun Commercial Roofs; John Daly,wibe conducted over a-yearcommodity grade solvent-basedingswillbepresentedatthe 11twoileenperiod.aluminumpigmentedasphaltannual conventionin Madison, Kaw Roofing; E Dutton, Karnak Corporation; Kelly Young,The project involves testing ofcoatings,polymermodifiedWis., in the fal I of 2000. Central Roofing; Bill Collins, Fields Corporation; Bob Card,various liquid-applied roof coat acrylic and commodity grade latexOther convention topics to be Building Envelope Technology andings, installed according to pre roof coatings, and SBS and SEBScovered by T&R in9 199 include Research; Kelly Radziwill,defined methods on full-scalepolymer modified, solvent basedan update on SBS granule loss test Central Rootingroofs comprised of different bitu asphalt roof coatings.testing,E shrinkage, TPO PDM min roof membrane materialsThe MRCA member contractorssingle ply membrane, and a ouscon(BUR,SBSandAPPmodifiedthat have graciously volunteeredtroversial approval standard for membranes).Theroofsareto participate are: Tony Spigarelli,roofingcontractorsk n as nowlocated in three climacticofCentral Roofing Company; JohnFM4490.ition,MRCA areasIn add other the United States within the Mid Daly,R fing & S t Metalcommittees will present eKawoo hee ducawest(SanAntonio,Minneapo Inc.; John Stephenson, Stephen tional material at the con ion. ventlis/St. Paul, Kansas City, Mo. andson Roofing Company; Jim Gen "MRCA50th Annual Conven\'s St. Louis). The testing will help totry,KirbergRoofingCo.;Bobtion and Trade Show" wi11tal~"\', determinetheattribu oftheOsterholt, SouthSideRoofingplace this year at Bartle tesHall coatings(e.g., fireresistance,Co.: and Doug Richardson, SunContinued on15 page 10'