Old apartment renovation – tyvek on interior side – cold climate

Hi,First time posting ! I’m an architect in Canada currently working on the renovation of a second floor apartment in an old building in Montréal (zone 6). I want to… Hi,First time posting ! I’m an architect in Canada currently working on the renovation of a second floor apartment in an old building in Montréal (zone 6). I want to…Read MoreGreenBuildingAdvisor