b'GREEN ROOF POLICYBUILDING EXCEPTIONAL GREEN ROOFSWhat it will take to make BY JAMES KLASSENgreen roofs a success on the South Coast I nJuly2018,VancouverCityNoteveryoneishappyaboutthe Councilvotedunanimouslytoprospect,andthereareskepticswho worktowardthedevelopmentquestion the durability or even efficacy of a green roof policy that wouldof green roofs. A letter sent by the Urban provide the rationale and implementa- Development Institute to Mayor Gregor tion strategy for mandatory green roofsRobertson and Council before the 2018 onallnewcommercial,institutional,vote expressed concerns and extreme industrialandmulti-familyresiden- disappointment with the idea.Their tialdevelopments,andarticulatetheconcerns are shared by others, but they opportunityforgreenroofsinreno- all revolve around one singular question: P rogressive& s ustainableb uilding Can green roofs actually succeed?e nveloPee ngineerings olutions vations to older [ICI] and multi-familyThe case for green roofsresidential development.n ewC onstruCtion. r estoration. r e - roofing . That was before municipal elections,Ourclimateischanging,andits d ePreCiationr ePorts. a nnuali nsPeCtionschangingmorerapidlythanwefirst & M aintenanCeM anuals but a new City Council did not revoke thethought. Forecasts by Metro Vancouver HIGH-RISE . CONDOMINIUMdirection taken in 2018.Consequently,suggest that within the next 10 to 15 TOWNHOUSE . COMMERCIALcity staff have been working to developyears, the Metro area (extending across INSTITUTIONAL . SINGLE FAMILY the groundwork for such a policy, butthe South Coast) will become drier and www.aqua-coast.caTel: 604.946.9910 201-5155 Ladner Trunk Rd., Delta, BCV4K 1W4 one thing is sure: green roofs are comingwarmer during the summers and wetter to Vancouver. and cooler in winters. Rainfall will be 22lROOFINGBC l FALL 2019'