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DocuSign Envelope ID: 313DA256 -1EDE- 4396- A716- 4C53B809027E <br />JERRY M. PASSMORE CENTER ADDITION AND RENOVATION <br />HILLSBOROUGH, NORTH CAROLINA <br />B. Fasteners: Factory- coated steel fasteners and metal or plastic plates complying with corrosion - <br />resistance provisions in FM Approvals 4470, designed for fastening roof insulation and cover <br />boards to substrate, and acceptable to roofing system manufacturer. <br />C. Bead - Applied Insulation Adhesive: Insulation manufacturer's recommended bead - applied, low - <br />rise, one- or multicomponent urethane adhesive formulated to attach roof insulation to substrate <br />or to another insulation layer. <br />D. Cover Board: ASTM C 1177/C 1177M, glass -mat, water - resistant gypsum substrate, 1/4 inch <br />(6 mm) thick, factory primed. <br />Products: Subject to compliance with requirements, provide the following: <br />a. Georgia- Pacific Corporation; Dens Deck Prime. <br />E. Cover Board: ASTM C 1278/C 1278M, cellulosic -fiber- reinforced, water - resistant gypsum <br />substrate, 1/4 inch (6 mm) thick. <br />Products: Subject to compliance with requirements, provide the following: <br />a. USG Corporation; Securock. <br />prsl� 5 %mil �.fl :V61- <br />A. Flexible Walkways: Factory- formed, nonporous, heavy -duty, slip- resisting, surface - textured <br />walkway pads or rolls, approximately 3/16 inch (5 mm) thick, and acceptable to membrane <br />roofing system manufacturer. <br />A. Walkway Roof Pavers: Heavyweight, hydraulically pressed, concrete units, with top edges <br />beveled 3/16 inch (5 mm), factory cast for use as roof pavers; absorption not greater than 5 <br />percent, ASTM C 140; no breakage and maximum 1 percent mass loss when tested for freeze - <br />thaw resistance, ASTM C 67; and as follows: <br />Manufacturers: Subject to compliance with requirements, provide products by one of the <br />following: <br />a. Hanover Architectural Products. <br />b. Rapid Building Systems. <br />C. Roof6lok Limited. <br />d. Sunny Brook Pressed Concrete. <br />e. Wausau Tile, Inc.; Terra- Paving Division. <br />£ Westile Roofing Products. <br />2. Size: 24 by 24 inches (600 by 600 mm). Manufacture pavers to dimensional tolerances <br />of plus or minus 1/16 inch (1.6 mm) in length, height, and thickness. <br />3. Weight: 18 lb /sq. ft. (90 kg /sq. m). <br />4. Compressive Strength: 6500 psi (45 MPa), minimum. <br />5. Colors and Textures: As selected by Architect from manufacturer's full range. <br />THERMOPLASTIC POLYOLEFIN (TPO) ROOFING (Alternate G -2) (Addendum #1) 075423 -7 <br />