b'PROCUREMENTDes chercheurs du CNRC dveloppent des toitures vertes innovantes. Leurs Researchers in an NRC lab conduct R&D work on climate-resilient andtravaux visentcrer des couvertures durables et rsistantes aux alas sustainable green roofing solutions, including vegetative, photo-voltaic andclimatiques. Ces solutions intgrent des lments vgtaliss, rflchissants reflective components. (Credit: National Research Council of Canada.) et photovoltaques. (Crdit : Conseil national de recherches du Canada.)SUSTAINABLESOLUTIONS SOLUTIONS DURABLES Greening federalLcologisation des marchs government constructionpublics de construction du procurement gouvernement fdralBy Kelly Parker par Kelly ParkerT heconstructionandroofingindustriesareplacingL es industries de la construction et de la couverture increasing focus on the part they can play in reducinginsistent de plus en plus sur leur impact climatique. climatechange.AllfacetsoftheirbusinessmodelElles scrutent chaque aspect de leurs activitsmis-can be scrutinized regarding their production of greenhousesions de gazeffet de serre, empreinte et carbone incor-gasses,theircarbonfootprintandemissionsincludingporpour adopter des pratiques plus cologiques.embodied carbonand how they can operate in a greenerSelon Rick Jeffery, PDG du Conseil canadien du bois, manner overall. laconnaissanceestunpouvoiretlasensibilisationest Knowledge is power and awareness is key, says Rick Jeffery,essentielle.La communaut des couvreurs doit sassurer president & CEO of the Canadian Wood Council. I think theque les produits quelle privilgie sont accompagns dune roofing community needs to be looking at making sure thatdclaration environnementale de produit (DEP), estime-t-il. Il the products theyre specifying have environmental productfaut trouver le produit adaptchaque contexte.declarations (EPDs) for them, so that they can see what theM. Jeffery insiste sur la ncessit de slectionner dabord carbon footprint is, he explains. It also needs to be looking atle bon produit, puis de vrifier sa faible empreinte carbone. the right product for the right application.Il recommande aux couvreurs de se munir des informations He says that the thought process should start by askingadquatespourrpondreauxexigencesdescontrats wheretherightproductis,andthenwithaconfirmationconcernantlutilisationdematriauxfaibleempreinte that the product is low-carbon. When they start bidding oncarbone. La DEP constitue, selon lui, leur principal atout.government contracts, they need to have the right informationCependant, M. Jeffery reconnat que ces matriaux ne tobeabletoansweranyquestionsonthosegovernmentsont pas toujours facilestrouver.Cest particulirement contracts when the contracts specify, Are you using lowest- vrai pour les lments structurels comme lacier, le bton carbon materials?, he adds. Their biggest tool there is theet le bois. Le march de la couverture commence toutefois environmental product declarations.sadapter et les fabricants prennent conscience de ces Thats not to suggest that these materials are always easynouvelles exigences. Les couvreurs peuvent rclamer ces to source. Thats an ongoing process now, especially for theDEP auprs de leurs fournisseurs et les inciterfournir ces structural materials, like steel, concrete and wood, so theyreinformations si elles ne sont pas disponibles. 24 ROOFING CANADA FALL/WINTER 2024'