• Roof Size is approximately 17,000 sq ft. • Tear-off existing roofing membrane and insulation down to the original metal or concrete deck. • Insulation system shall be a minimum of 2 layers of polyisocyanurate foam boards with ½” gypsum overlayment board. Tapered insulation will be required for “sloe-to-drain”. All insulation to be adhered with spray-on urethane foam. Provide tapered insulation on roof areas as shown on roof plans. • The replacement membrane assembly consists of the application of two-ply modified bitumen membrane fully adhered to the insulation assembly. Scope of Work includes installation of new perimeter wood nailers and edge metal. • Work includes all sheet metal fabrications shown on the contract documents and as specified. • Drainage for the roof will by new drains at all locations shown on roof plans. Removal of drains at existing roof drains will be required. • Roofing system installation shall require on-going inspections by the Membrane Manufacturer during the installation process and will be eligible to receive a 20-year NDL material and labor warranty, full-system including the insulation and membrane. • Masonry Repair to brick pilasters in the courtyard is included in the scope of work.
