While serving exactly the same ultimate purpose, there are key differences between commercial and residential roofing. Therefore, if you begin to analyze contractors, one of many first questions potential roofers will ask is whether you are contracting for a commercial or residential project. From design and structural elements to materials and even cost, the differences between commercial and residential projects are manifold. First, the structural needs of a commercial roof are different when compared to a residential roof. Obviously, commercial roofs may be considerably larger - imagine how large a roof on a shopping mall compared to the size of the roof on your property and you'll obtain the picture. Additionally, the strain requirements, fixtures, and even materials will change significantly between commercial and residential roofs. For example, commercial roofs should have a more substantial load-bearing capacity than residential roofs often just because of the materials asso