Designed for roofs with little to no slope, this material comes in rolls that are typically 6 feet in width with varied thicknesses. It is usually mechanically attached to the roof with screws and steel seam plates. The seams are then welded together using a precision heat welder. PVC roof systems are a commercial use product that has made its way to the residential roof market.
The many benefits of this type of roof is that it can outlast all hot tar built-up and torch down applications by at least double, it is lighter in weight, can be installed on a roof with no slope, is maintenance free and can even give you added energy benefits with the standard color of white. This roof is a great choice for low slope roof applications.