Car rental by the hour at any hour - gutter contractor Traditionally flat roofs include 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. With regards to flat roofs, it is important to know first is pretty much all of the roofing systems use what`s referred to as Membrane Roofing. This means a material is used to move water from the roof. Tue, 05 Feb 2019 10:10:56 UTC en