Exterior, House Building Type, Shingles Roof Material, and Stucco Siding Material Two distinct blocks, facing north and west, sit on different levels, and come together in the middle with a wedge-shaped volume that forms the entrance and the vertical circulation leading to the main spaces of the house. A butterfly roof, which reverses the conventional icon of the pitched roof house, lets natural light to enter through those high windows on the back side of the building  The Wedge House