Exterior, Metal Siding Material, House Building Type, Metal Roof Material, Cabin Building Type, Glass Siding Material, and Flat RoofLine Torontonians Dan and Diane Molenaar head north to Drag Lake when they need a weekend away from urban life—though they brought some of the city with them. The mirrored windows that circle the cottage were recycled from two office towers in Toronto.  Best Photos from Best in Glass