Forum For Apple Product Users To Include iPhones, iPads, And Mac Books - Commercial roofing Traditionally flat roofs will be the go-to style of roofing for commercial buildings, and just like the name suggests, the roofs themselves lay flat over the top building. In relation to flat roofs, it is important to know first is pretty much all of the roofing systems use what`s known as Membrane Roofing. This basically means that the material is used to move water from the roof. Tue, 05 Feb 2019 10:10:57 UTC en