Bedroom, Bed, Medium Hardwood Floor, Recessed Lighting, Rug Floor, and Wall Lighting As for the interior detailing, “In contemporary construction you have a layered approach to materials. Everything is on top of something else. We tried to avoid that.” Indeed, the house’s materials are few and hardy: polished concrete, maple, and Douglas fir, and white walls with a few bold accents of green and blue.  Photo 7 of 16 in A Sustainably Built Home in Rural Ontario