Tour the Montreal factory loft of designers Alexandre Blazys and Benoit Gérard and learn how they gave it a lounge-like atmosphere. Using dark tones, rich oak panelling, smoky glass and grasscloth wallpaper, they turned a boring gypsum box into an envelope for striking art, and a moody backdrop for entertaining. See how to convert a hallway into a lounge area and office, and other smart designer tricks of the trade.