Exterior, Wood Siding Material, Metal Siding Material, House Building Type, and Metal Roof Material Apart from a “generous” master bedroom, Mitchell says that the couple also wanted a rooftop deck to see views of downtown Denver. A sloped roof kept the building up to code, and the outdoor deck “was achieved by shifting the upper volume backwards from the front of the house,” he says.  Likes from Mile High Design: 5 Modern Homes in Denver