b'MARCHS PUBLICSemerging on the structural side, JefferyEncequiconcernelinformation, notes. Im sure on the roofing side thatdesprogrssemblentsedessiner. the markets starting to catch up, and theBradGover,directeurdelenveloppe producers are starting to catch up anddu btiment et des matriaux au Centre understandthattheyregoingtoneedderecherchessurlaconstructiondu to do these things. And so what I thinkCNRC,estoptimiste: Desefforts roofers can do is [to ask] their supplierssontencourspourcrerdesbases for these EPDs, and if they dont havededonnessurlesproduitset them, they should be putting their ownmatriauxdeconstructionfaible pressure on their suppliers to be able toempreintecarbone,ainsiquedes provide this information. outils daidela dcision. Ces outils Onthesubjectofinformation,permettentdvaluerlimpactde thereappearstobehelponthewaylutilisationdediffrentsmatriaux, on that front. Theres work underwaycomme le bois, lacier ou le bton, et todevelop,shallwesay,databasesofdecomparerdiverstypesdisolants. low-carbonconstructionproductsandDans cette optique, le CNRC collabore materialsdecisionsupporttoolsfortroitementaveclesfabricantspour how to estimate if they use, for example,dvelopperdesressourcesaidant woodcomparedtosteel,comparedtodterminerleslmentsncessaires concrete in a certain application, or oneafin de rpondrecertaines exigences type of insulation compared to anotherde performance. typeofinsulation,explainsBradLcologisation des marchs publics Gover,directorofbuildingenvelopedbuteparuneintention,maisla and materials at the National Researchtechnologie suit-elle le rythme ?Sur Council Canadas (NRCs) Constructionle plan structurel, explique M. Jeffery, Research Centre. The NRC is involveda semble tre le cas. En particulier, in a lot of work with the manufacturersnous pouvons affirmer que le bois se todevelopdecisionsupporttoolstorvle clairement comme le matriau assesswhatsneededtomeetcertainlemoinscarbon.Onassisteune performance requirements in a particularinnovationrapidedanscedomaine, geographical area. avec lutilisation du bois massif et des Greenerprocurementbeginswithtechniques de constructionossature intent, but is technology keeping pace?lgrepourrduirelempreinte We would argue on the structural sidecarbone,particulirementparrapport that yes, wood clearly demonstrates thatauxbtimentsenbtonouenacier. its the lowest-carbon material you canCependant,dansledomainedela use,saysJeffery,andwehaverapidtoiture, la technologie doit trouver un innovation in the space with mass timber,quilibreentrefonctionnalit,cot, and with light wood frame constructionfiabilit, durabilit et carboneutralit techniques to reduce carbon footprints,dune manire qui, nous lesprons, sera especially compared to concrete or steella meilleure pour lenvironnement. buildings.Butinroofing,[technologyM.GoverajoutequeleCNRC hastostrike]thatbalancebetweencollaboretroitementavecles functionality, cost, reliability, durabilityfabricantsetlesconcepteurspour and carbon neutralityin a way thatsgrer lempreinte carbone des produits hopefully, at the end of the day, best fortoutaulongdeleurcycledevie: the environment.Nousdvelopponsdesoutilsde Goveraddsthatpartofwhatthecomptabilisationducarbonepour NRChasbeenworkingonregardinglesmatriaux,lescomposants,les data is collaborating with manufacturersassemblagescompletsetmme anddesignerstohelpmanagethedesstructuresentirescommeune life-cyclecarbonofproducts.Thistoitureouunbtiment.Cefaisant, specificallyincludescarbonaccountingnousrpertorionslesmatriaux tools for the materials, components, fullstructurels et non structurelsfaible assemblies or the whole asset, such as theou zro carbone. Notre travail consiste whole roof or the whole building, hecollecterlesdonnesducyclede says. It includes low-carbon and zero- vie etles intgrer dans une base de AUTOMNE/HIVER 2024 COUVERTURES CANADA 25'