b'_ _ _ _ __ i__ _ _n,-. i de stR o o f i n gC o n t r a ctoA s s o cia to n wr s1.1:I 0 \\MRCA Research Shows Roof Coatings Beneficial in Midwest Climates By: Jim Carlson, Technical Adv r; and Bill Collins,rch Associate iso ReseayearweatheringingsedofciWith the thirdofbe expo to their third year SunCommer al Roofs, Inc.-inprogress,MRCAislearningweath infour citiesinDonSh pandD g erar oumuch about the weat -shieldingdistinctclim ticRich on ( w with her ac ards nobenefits ofcoatings tor multi zonesoftheMid MACC ny, roofompaplyroof.west: Dallas (USDAInc.). bituminousmembranesPlantHardinessThesecon-BackgroundZone 7), St.Lou tractorssecured is Information(Zone 6),Kan existingroofs that sas The Midwest RoofingCity(Zone5), andmet the specified criContracto Assoc Minne (Zone 4 teria of the MRCA Roof rsia apolis). tion\'sTechnicalandParticipatingCon CoatingsResearchand ResearchCommitteetractors:Theparticipating con Testing P tocol.Testing ro TheProrkedfine ablefs (T&R)isworkingtractorswo withgreattocolde sapplic rooactivelywithfiveofen a unselfish e ort toaccordingvarious requirements thusiasmndff to MRCA\'s roofing contr - prepare theo , install the including:roofsize, minimum ac ro fs coatings,andreturntothe roofs atslope, memb typeand aranege, regularin v to inspecttheand locally low levelsairborne ter alsof coatings a fill o Data Collec co ts or industrial pollundutntaminantionm They are:tants. For s.CentralRoofingCom - ParticipatingManufactur-~ pany TonyiJoners:Three coatingnSpigarell andJensen;ma ufacturers Kaw Roofing &tal Inc.are partic ing inisint proj-Sheet Me ipat th jo-John Daly and Ron P ect. Theyincurred signific t arr;haveanSellers andMarquis R fing - expense to provide thousands of ooL.B. Mo is;gallons oftin ship pallets of rr coa gs, Stephenson Roofing Com ny - coatingsacrossthe countryto paJohn Stephenso each of the test roofs, andvide n;prostaff exper se. T three coating ti hese m turers are: Fields Comanufacpany,Henry Company/MonseyBakor,andKarnak Corporation. Roof l\\lembrane and Coating Combinations tor members and threeroofRoofMembranes:The coating manufactu associ a t-based me at rersphal mbranes th are atesona full-scale,in ituserving as su tes for the coat-s bstraresearchand testingprojectings are: tostudyroofcoatingsand Smooth-surface,three- and theirlong-termbenefits forfour-ply, hot asphaltbuilt-up asphalt-basedroofm roof membranes; embr inthevariouscli Smooth-surfaceataclic anes matesoftheMidwesternpolypropylene(APP)polymer United States.modifiedt membranes;/"\'4\\\' asphalTestroofsarecurrently'