A couple wanted to build a house on a sloped lot in Washington State ... The steel structure supports a rectangular deck and flat roof that seem to float among the trees. Under this single ...

Flat roofs are simpler, easier and cheaper to build so they tend to be slightly less costly overall than a pitched or sloped roof structure." "Any additions or extensions of an existing house ...

If you have a flat roof on your house that needs to be repaired or replaced ... or rubber roofs—as long as they’re low-slope ...