When applied properly, a new roofing system that is appropriate for your individual property can offset its initial cost by as much as 50% over the course of 15 years. This is due to the roofs ability to reflect heat away from the building in the summer months saving on cooling costs and insulate the warm air during the winter months saving on heating costs.  If the existing roof has been damaged as a result of one of the numerous Oklahoma storms, then your property insurance will cover the cost of replacement in most cases.