Traditionally flat roofs would be the go-to style of roofing for commercial buildings, and the same as the name suggests, the roofs themselves lay flat over the top of the building. In relation to flat roofs, what is important to be aware of first is always that pretty much all of the roofing systems use what`s referred to as Membrane Roofing. This simply means that the materials are used to move water off the roof.

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