Join the umber 1 Tech Community - Learn from the Best - roof replacement Traditionally flat roofs include the go-to style of roofing for commercial buildings, and much like the name suggests, the roofs themselves lay flat over the top of the building. With regards to flat roofs, it is essential to know first is the fact that practically all from the roofing systems use what`s termed as Membrane Roofing. This only denotes a material is used to move water over roof. Tue, 05 Feb 2019 10:10:57 UTC en