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DocuSign Envelope ID:D561B1AE-DF34-4907-AD06-AOEB37BBE427 <br /> CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12,2020 <br /> 308 WEST FRANKLIN,CHAPEL HILL,NC <br /> PART 2 -PRODUCTS <br /> 2.1 MANUFACTURERS <br /> A. In other Part 2 articles where titles below introduce lists, the following requirements apply to <br /> product selection: <br /> 1. Available Products: Subject to compliance with requirements, products that may be <br /> incorporated into the Work include,but are not limited to,products specified. <br /> 2. Products: Subject to compliance with requirements, provide one of the products <br /> specified. <br /> 3. Available Manufacturers: Subject to compliance with requirements, manufacturers <br /> offering products that may be incorporated into the Work include, but are not limited to, <br /> manufacturers specified. <br /> 4. Manufacturers: Subject to compliance with requirements, provide products by one of the <br /> manufacturers specified. <br /> 2.2 GLASS-FIBER BOARD INSULATION <br /> 1. Manufacturers: <br /> a.. Owens-Corning <br /> A. Unfaced, Glass-Fiber Board Insulation: ASTM C 612, Type IA or Types IA and IB; with <br /> maximum flame-spread and smoke-developed indexes of 25 and 50, respectively;passing <br /> ASTM E 136 for combustion characteristics; and of the following nominal density and thermal <br /> resistivity: <br /> 1. Nominal density of 4.25 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at <br /> 75 deg F . <br /> 2.3 GLASS-FIBER BLANKET INSULATION <br /> A. Manufacturers: <br /> 1. Owens Corning FibreGlas insulation or equal. <br /> B. Unfaced, Glass-Fiber Blanket Insulation: ASTM C 665, Type I (blankets without membrane <br /> facing); consisting of fibers; with maximum flame-spread and smoke-developed indexes of 25 <br /> and 50,respectively;passing ASTM E 136 for combustion characteristics. <br /> C. Where glass-fiber blanket insulation is indicated by the following thicknesses, provide blankets <br /> in batt or roll form with thermal resistances indicated: <br /> 1. 3-1/2 inches thick with a thermal resistance of 11 deg F x h x sq. ft./Btu at 75 deg F , 13 <br /> deg F x h x sq. ft./Btu at 75 deg F <br /> 2. 3-5/8 inches thick with a thermal resistance of 11 deg F x h x sq. ft./Btu at 75 deg F <br /> THERMAL INSULATION 072100 - 3 <br />