Pouring concrete for a sloping roof might seem complex, but with the right approach, materials, and understanding of the process, it can be a smooth and efficient task. In this detailed construction ...

Roof technology isn't an issue any more; as Graham points out, today's flat roofs (which are often, in reality, slightly sloped) simply do not leak as long as they're built right.

Q: I enjoyed the article about puddling on flat roofs (Nov. 2, 2002). I have a slope problem on a 12-by-10-foot one-story addition attached at one edge to a higher wall of my split-level house. It ...

This glazed house built from thick concrete slabs was designed by Swiss architect Gian Salis to follow the slope of a plant-covered hill in Germany's Rhine Valley (+ slideshow). Located in the ...

By Duncan Geere, Wired U.K. Danish architecture firm Bjarke Ingels Group has unveiled a design for a waste-to-energy plant that features an artificial ski slope on the roof. The building, which is ...