The kitchen looks out onto the courtyard. Inside the house, the floors are heated polished concrete. "For the interior, we kept everything as uniform and unarticulated as possible in the living spaces and bedrooms: pale concrete floors to match the walls as close as possible, no baseboards, etc., allowing the focus to be on the objects the house would contain: Tuan’s paintings and photos, the furniture and millwork that they chose," Balaban says.  Photo 5 of 5 in Most Popular Homes of 2015: Indoor-Outdoor by Zach Edelson from A Minimal, Metal-Clad Montreal House With A Hidden Courtyard

Most Popular Homes of 2015: Indoor-Outdoor

5 of 5

The kitchen looks out onto the courtyard. Inside the house, the floors are heated polished concrete. "For the interior, we kept everything as uniform and unarticulated as possible in the living spaces and bedrooms: pale concrete floors to match the walls as close as possible, no baseboards, etc., allowing the focus to be on the objects the house would contain: Tuan’s paintings and photos, the furniture and millwork that they chose," Balaban says.