Discover Best Trade and Investing Ideas of 2017 - siding contractor Traditionally flat roofs are the go-to style of roofing for commercial buildings, and much like the name suggests, the roofs themselves lay flat over the top building. When it comes to flat roofs, it is essential to be aware of first is the fact that pretty much all with the roofing systems use what`s called Membrane Roofing. This means which a material is used to move water over roof. Tue, 05 Feb 2019 10:10:56 UTC en