The estimated roof quote can be taken from online roof repairing services. The quotation for installing a new roof system may vary, depending on the materials selected, contractor doing the work, location, local labor rates and time of year. It should be kept in mind that for each roofing material, there are different quality materials and subsequent prices. There also are a variety of roof styles and shapes to choose from. It should be noted whether the roofing companies has worked with the same materials roof is made up of. After all it is the matter of almost lifetime.