EPS tapered roof insulation was developed with a dual purpose in mind: to drain and insulate dead-level roof decks. SL Nabors Roofing offers a tapered roof insulation system that has been proven in new and re-roof applications all over the country. It adds insulation value that improves interior comfort and reduces the high energy costs of keeping a building comfortable. SL Nabors Roofing also offers tapered roof insulation for optimum design flexibility for the architect and saves the roofer/applicator both time and labor which in turn, saves you money. Nabors roofing is your first choice in tapered roof insulation systems.