Search Company Reviews and Ratings to Find a Perfect Job - gutter 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 of the building. In relation to flat roofs, it is essential to know first is that practically all of the roofing systems use what`s called Membrane Roofing. This basically means which a material is used to move water off the roof. Tue, 05 Feb 2019 10:10:57 UTC en