b'TECHNOLOGIE(RCInow IIBEC), Sika, Trufast, EPStrsfroiddesconditionsmtorologiquesensoleillesetchaudes.Tousles Industry Alliance, Rockwool, Soprema,essais ont t effectus sur le banc CHB (Calibrated Hot Box) de 8 x 20 pi situ 2001 Company and Natural Resourcesau laboratoire Energy (DRF-E) du Centre dessai dynamique des couvertures du CanadaProgram of Energy ResearchCNRC (figure 2). andDevelopment.ThisconsortiumLa tche 2, consistaitquantifier deux facteurs dimpact thermique (TIF) : les embarkedonathree-yearprojectthatponts thermiques crs par les attaches et le contournement thermique d aux started in 2016 and completed in 2019. vides entre les panneaux. Tous ces essais ont t conduits sur la chambre chaude protge (GHB) horizontale de 1,2 x 1,2 m (4 x 4 pi). TheERCRconsortiumprojectOn a procdplus de 100 expriences pour illustrer linfluence de la densit des hadtwomajortasks.InTask1,36attaches, de leur disposition, de leur diamtre et de leur profondeur de pntration. roofingassembliesrepresentingsevenTous les essais comprenaient un platelage en acier, un panneau denseface de climaticzonesinNorthAmericawerefibre recouvrant chacun des trois types disolants tests lors de la tche 1, et une designedandtestedtoevaluatetheirmembrane thermoplastique dimpermabilisation. Toutes les expriences ont t effective thermal resistance and validateralisesune temprature moyenne de 24 C (75 F). theirperformancerelativetocode requirements. The test matrix comprised adhesive applied roofing systems (AARS), available in bulkpartially adhered roof systems (PARS), and mechanically attached roof systems (MARS)designedwiththreedifferent insulationtypesPolyisocyanurate (Polyiso),ExpandedPolystyrene(EPS) and Stone Wool (SW). The test protocol involvedmeasurementofthethermal resistance of the insulation component andtheeffectivethermalresistanceof the roofing assemblies at four differentBy BITUMARmean temperatures ranging from a veryA NEW ROOFING ASPHALT WITH A LOWER coldclimatetosolar-heatedclimaticEVT WHICH REDUCES FUMES AND ODOUR.conditions. All the testing was conducted on the 8 x 20 ft. Calibrated Hot Box (CHB) located at the NRCs Dynamic Roofing FacilityEnergy (DRF-E) Lab. ZERO ODOUR 40 %35 %In Task 2, two thermal impact factors When cold 30 %% of fumes in the air 75 % Reduction(TIF)thermal bridging from fasteners Up to 177C 25 % and thermal bypass from gaps between20 % 75% less fumes than regular15 %the insulation boardswere quantified. All the testing for the quantification ofroofing asphalt 10 % Regular BURthe TIFs was conducted on the 1.2 x 1.2 BURPAK ZERO contains 5 % ZEROm (4 x 4 ft.) horizontal Guarded Hotan odour suppressant which0 % 93 121 149 176 204 232* 260 288** 316Ccombined with a lowerChamber (GHB).temperature of installation,TemperatureInassessingtheimpactofthermalminimizes asphalt odour* Theidealviscositytemperatureistypicallylowerbridging,morethan100experiments Zero complaint on odourby23CforBURPAKZEROwhencomparedwith were conducted, highlighting the effect of regularroofingasphalt.Therefore,thereisnoneed Complaints are timeforthekettletemperaturetoexceed232Cfastener density, fastener location, fastener consuming and reducewhenusingBURPAKZERO.diameter, and fastener penetration depth.productivity on job sites **MaximumtemperatureofakettleasperASTMD312.All thermal bridging tests included a steel deck as the structural substrate, fibreglass faced dense deck as the cover board overavailableinbulkinourterminalthe three insulation types as tested in Taskofhamiltonorbydelivery1,andthermoplasticmembraneasthe waterproofing layer. All experiments were conducted at Tmean = 24 C (75 F). The objective of the thermal bypassCanadian Asphalt Industries Inc.400 Eastport BlvdstudywastoquantifytheheatlossHamilton, ONL8H 7S4through the gaps and develop appropriatebitumar.comgapimpactfactorsrelatingthegap geometry with the thermal performance. PRINTEMPS/T 2020 COUVERTURES CANADA 15'