1. Flat roof.
Flat roof has a slope below 10 degrees. Materials used as cover the roof is asbestos, fiberglass wave, zinc wave, polykarbonat, and concrete. This roof terrace is usually used for the garage and laundry. In addition to concrete, the roof which has a fast and cheap because the shape and materials used is quite simple. Lack of roof is more room underneath to be hot because the height of the roof is generally low, or less does not reach 3 m.
2. Sloping roof.
Sloping roof has a slope of above 20 degrees. Roof requires a lot of material and the process more complicated. Materials used as the cover is tile, shingle, metal roof tile and so forth. The benefits of this roof is more room underneath relatively cold compared to flat roof.