b'PRIX COUVERTURES CANADA 2021ontheprojectensureditwouldbe constructedtocurrentstandards. QMRAcollaboratedcloselywith Sopremawhendesigningtheunique new rooftop system, which should last many years while resisting the extremely high heat from the suns rays. The membrane installed under the five-degreeinclinecopperroofhad tobecarefullyselectedtowithstandBy BITUMARexceedingly high summer temperatures. Given the low slope on the project, oneA NEW ROOFING ASPHALT WITH A LOWER of the requests was to seal each jointEVT WHICH REDUCES FUMES AND ODOUR.between copper panels with a piece of elastomericmembrane.Topromote theaestheticsofthesurrounding views, rooftop equipment was avoided.ZEROODOUR 40 %35 %Theconstructionofthecomplex When cold 30 %% of fumes in the air 75 % Reductioncompositionincludedaconcrete Up to 177C 25 %panel, HD elastomeric vapour barrier20 %membrane,eight-inchthickZbar, 15 %75% less fumes thanregular roofing asphalt 10 %all interwoven, including four rows ofRegular BURBURPAK ZERO contains 5 %four-inchpolyisocyanurateinsulation, 0 % ZEROfollowed by a six-inch C bar filled withan odour suppressant which93 121 149 176 204 232* 260 288** 316Cwoolandcoveredwithtwo5/8-inchcombined with a lower Temperatureplywood panels, a two-ply elastomerictemperature of installation, minimizes asphalt odour * Theidealviscositytemperatureistypicallymembrane and 20 oz. copper panel. lowerby23CforBURPAKZEROwhencomparedTheoriginaldesignwasslightlywithregularroofingasphalt.Therefore,thereisZero complaint on odourrevisedtointroduceparapetsand noneedforthekettletemperaturetoexceed Complaints are time232CwhenusingBURPAKZERO.arainwaterrunoffcorridoratthe consuming and reduce **Maximumtemperatureofakettleperimeter of the building that also servesproductivity on job sitesasperASTMD312.as a circulation path, without altering thearchitecturaloutlines.Increased coordinationwasmadewiththe structureandmechanics,particularly withrespecttothenumberand placementofroofdrains. Thechoice ofadark-colouredmembraneintheCanadian Asphalt Industries Inc.perimetercirculationpathsenhanced400 Eastport Blvdthe colour of the copper. Hamilton, ONL8H 7S4Flexibilityisamajorassetofanybitumar.comsustainableandevolvingdesign,and AUTOMNE/HIVER 2021 COUVERTURES CANADA 13'