b'_e_c _h_n_o_l_og y & Re_s_e_a_r_c_h_____ _____________ _ _:c:::.___ _ _MRCA Roof\'J Coatings In-Situ Testing and Research Program. Underway By Bob Card Building Envelope Tech~ology and Research MRCA will be testing roof coat weather shielding benefits for theCommercial Roofs, Inc. ings in 1999 using the Roofunderlying roof membranes, etc.)The contractors have identified Coatings Testing Protocol. The proto and performance characteristicsroofs thatspecified critemeet the colwasdraftedbyMRCA(including status of complianceria of the testing protocol, which technical adviser Jim Carlson ofwith fire resistance criteria overincludesminimumroof slope, BuildingEnvelopeTechnologytime) over different types of bitu membranetypeandage, and and Research of Seattle in 1998.minousroofmembranesinlocally low levels of airborne conTheMRCATechn landdiverse climates.tamina or industrial pollutants. ica nts Research(T&R)committeeisThreecoatingmanufacturersOnce w herpermits,theroof eatrotoco whimplementing the p l,ich(Fields, Henry/Monsey Bakor, andsurfaces will be prepared and the Karnak)coatings applied according to the ha v epredeterminedprotocol,and enthusi monitoring of the coatin will be gs asticallyper rm over the course of the fo ed agreed ton two-to-five years.tr ext provideThe overal goal of the projeci I coatingisthe data obtained to assimilate materialsfrom the observa to develop tions was originally conceived by cur for thetesting,whichwillbeand publish ars guide for the Roof Coatings Testing Protocoluseparticipants (left to right):rent MRCA President Kurt Baum shipped to the designated con selection, use, and app cation of liStephenson,coor s. JeffStephenson Roofing;gartner. Following an initialtractors for application as weathergeneric types of roof coatingBob Osterholt, South Side Roofing;dination meeting held in Kansaspermits. Coatings tobe appliedAn in ial project update will be itLarry Hoffman, Stephenson Roofing;City,Mo.inMarch, the MRCAinclude:pigmented andpresented at theMRCA annual Ron Parr, Kaw Roofing; Don Sharp,aluminum rooftesting and researchtitaniumdioxidepigmentedconvention in Kan City,in Sun Commercial Roofs; Paul Beemer,coatingssasMo. Henry Company; Doug Richardson,project is underway. The testingasphalt emulsions, premium a October. All report on the findndfutwo-yearde Sun Commercial Roofs; John Daly,will be conducted over acommodity gra solvent-basedingswillbepresentedat the Kaw Rooting; Eileen Dutton,period.aluminumpigmentedasphaltannual conventionin Madison, Karnak Corporation;Young, KellyThe project involves testing ofcoatings,polymermodifiedWis.,of2000. Central Roofing; Bill Collins,in the fall various liquid-applied roof coat acrylic and commodity g latexOther conventionics to Fields Corporation; Bob Card radetop be , nd SBS and1999 inclBuilding Envelope Technology andings, installed according to pre roof coatings, a SEBScovered by T&R inude Research; Kelty Radziwill,defined methods on full-scale testpolymer modified, solvent basedanu te on SBS granule loss pdaCentral Roofing.roofs comprised of different bitu asphalt rooftesting, EPDMshrinka TPO coatings.ge, minous roof membrane materialsThe MRCA member contractorssingle plyrane, and a memb con(BU SBSandAPPmodifiedthat have graciously volunteeredtroversial approval standard for R, membranes).Theroofsareto participate are: Tony Spigarelli,roofingcontractorsknown as Iin three climactic areas ofCentral Roofing Company; JohnFM4490. In a tion,MRCA ocatedddi other the United States within the Mid Daly, Kawofing & Sheet Metalcommittees wi II present educaRowest(SanAntonio,Minneapo Inc.; John Stephenson, Stephen tional material at the convention. lis/St. Paul,City, Mo. andson Roofing Comp Jim Gen "MRCA \'s 50th Annual ConvenKansasany; St. L The testing will help totry, KirbergRoofingCo.; Bobtion and Trade Show" wi11ta~ ,-:, ouis). determine theattributesoftheOsterholt,SouthSideRoo p ce this year at Bartle. fingla Hall coatings(e g , fireresistance,Co.; and Doug Richardson, SunContinued on page 15 10'