etween one and ten degrees. The result is that flat roofs do not look as flat. While it appears to be vertical, generally, they have a slope of quarter-inch for every foot. This type of roof is becoming more and more frequent due to its sleek design and the ease with which they are to maintain. The clean, level surfaces give them a modern, stylish appearance. Flat roofs can be curled or bent to stop water collection. The roofs they are made of can last long periods of time, provided they are maintained and installed. The flat roof type is most often preferred by homeowners rather than changing or installing a brand new roof. Commercial building contractors are also beginning to realize the benefits of flat roof installation to commercial properties. Flat roofs are an attractive marketing tool for various kinds of buildings, both commercial and residential. bjip58g92j.