b'NATIONAL RESEARCH COUNCILconsortium led to the development of a methodology fordecouvertureappliqusparadhsif Systmes quantifying air leakage in roofs. (SCAA):Unconsortiumaxprincipalementsurla AdhesiveAppliedRoofingSystems(AARS):Arsistance au vent de ces systmes.consortium focused primarily on wind performance forettechnologiesdeborduredetoit Systmes these systems.(STBT):Projetconcernantlaperformancedes EdgeSystemsandTechnologies(REST):Aborduressoumisesauvent,quiamenune Roof researchprojectconcerningthewindperformanceofmthodologie dessai etdes lignes directrices pour roof edges, which resulted in the development of testingla conception.methodology and design gudielines for roof edges. vgtalises(CV):Unconsortium Couvertures VegetatedRoofAssemblies(VRA):Aconsortiumtabli pour valuer la performance au vent des CVVestablishedtoassessthewindperformanceofVRA(toits verts), ce qui a menla cration de la norme (green roofs), resulting in the creation of CSA Nationalnationale CSA A123.24 pour la miselessai de la StandardA123.24fortestingthewindresistanceofrsistance au vent des couvertures vgtalises.modular and built-in-place vegetated roof assemblies. Rsistance nergtique des toitures commercialesEnergyResistanceofCommercialRoofs(ERCR):(RETC) : Un consortium mis sur pied pour valuer leAconsortiumestablishedtoevaluatetheenergyrendementdestoituresfaiblepenterecouvertes performance of low-sloped membrane roofs. dune membrane.ProtectedMembraneRoofAssemblies(PMRA):AAssemblagesdetoituremembraneprotgeconsortium established to evaluate the wind and energy(ATMP) : Un consortium mis sur pied pour valuer la performance of these roof assemblies. rsistance au vent et le rendement nergtique.Photovoltaic (PV) Roof Assemblies (PVRA): A three- photovoltaques(CPV):Unetude Couvertures yearstudythatresultedinthedesignofatestingdetroisansquiamenunemthodedessai methodology to evaluate the wind pressure resistance ofpour valuer la rsistancela pression du vent des PV systems installed on the roofs. A draft is currentlysystmes photovoltaques installs sur les toits. Une with the CSA technical committee while NRC is workingbauche est soumise au comit technique de la CSA, 20 ROOFING CANADA SPRING/SUMMER 2025'