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<br />075400.4 – THERMOPLASTIC SINGLE-PLY ROOF SYSTEM <br /> <br />Project Manual for Whitted Building Roof Replacement <br />Orange County, Hillsborough, NC <br />Prepared by Atlas Engineering, Inc., 551-A Pylon Drive – Raleigh, NC 27606 <br />May 2022 <br /> <br />1. If the warranty includes exclusionary language for wind events such as “gale” or <br />“hurricane”, the warranty shall clarify, or shall have an attached letter from the <br />manufacturer to clarify, the maximum wind speed covered by the warranty. Warranty shall <br />cover, at minimum, wind speeds up to 72 miles per hour. <br />2. The manufacturer shall replace insulation and other roof system materials which have been <br />damaged by leakage when that insulation or material contains detrimental amounts of <br />moisture. <br />3. The standard manufacturer's warranty shall not be voided by ponding or standing water. <br />4. The manufacturer’s warranty shall not require the signature of the Owner’s representative to <br />be valid. <br />5. The Contractor must coordinate the number of site visits required by the manufacturer to <br />issue the warranty. <br />6. A minimum of three visits and one final inspection to the site by a technical representative <br />of the roof system manufacturer are required. The roofing contractor is solely responsible <br />for scheduling site visits by the roof system manufacturer as necessary for the specific <br />purpose of issuing the specified warranty. A copy of the manufacturer’s inspection reports <br />and list of items requiring repair/completion shall be provided to the Engineer for review <br /> <br />C. Manufacturer and Contractor warranties shall also state that the Owner has the right, at any time <br />during the warranty period, to make emergency roofing repairs to protect the contents of the <br />building or the building itself from damage due to leaking. Emergency repairs by the Owner shall <br />be made in accordance with roofing industry standards for temporary repair but will not absolve <br />the Owner of contacting the warranting Contractor or Manufacturer as required. If emergency <br />repairs will not be allowed, the warranting entity must provide emergency response within the <br />initial 12 hours for the Contractor Warranty and within 24 hours for the Manufacturer warranty <br />following notification. <br /> <br />PART 2 PRODUCTS <br /> <br />2.01 THERMAL BARRIER, ROOF INSULATION, AND COVERBOARD <br /> <br />A. General: Provide preformed, thermal barrier, roofing insulation and cover boards that comply with <br />requirements, selected from manufacturer’s standard sizes and of thicknesses indicated. Insulation <br />and coverboard must be supplied by, or approved in writing by, the warranting manufacturer of the <br />roof membrane system. <br /> <br />B. Thermal Barrier: Shall be a non-structural, fire-rated, fiberglass-faced gypsum product with a silicone- <br />treated, water-resistant gypsum core. Shall have factory-laminated fiberglass surface mats, front and <br />back. Thickness of thermal barrier shall be 1/2″. Board shall meet or exceed the requirements of <br />ASTM C1177 and ASTM D3273. Board shall have a flame spread of 0 and smoke developed rating <br />of 0 in accordance with ASTM E84. Board shall be specifically designed for use in roof assemblies <br />and shall be approved by the roof membrane manufacturer. Maximum board size of 4'x8' for <br />mechanically-fastened applications. <br /> <br />C. Board Insulation (Base Layer and Tapered): Closed-cell polyisocyanurate rigid insulation with <br />foam core and factory laminated fiberglass facers acceptable for installation by mechanical <br />DocuSign Envelope ID: 89558C18-938A-4BFF-B14A-A2214E8AA5DD