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Division 7-B <br />Insulation <br />BUILDING INSULATION <br />GENERAL: Fully cooperate with other trades in the Installation of <br />their materials and the performance of their work. Comply with <br />all requirements of the "General Requirements". All labor and <br />material under this Division sha11 be guaranteed in accordance <br />with the General Requirements. Furnish and install all <br />insulation shown on plans and herein called for. Provide a <br />complete enclosure of insulation in walls and ceiling and roof <br />between interior of conditioned building and exterior or <br />unconditioned space. Insulation is to be U.L. rated with flame <br />spread of 25 or less. Furnish the Architect with certification <br />from manufacturer verifying rating. <br />SCOPE: This section includes <br />Ceiling insulation, <br />Wall insulation, <br />Roof insulation, <br />Masonry block fill. <br />MATERIAL: EXTERIOR WALL INSULATION between interior space and <br />exterior space shall be: <br />May be unrated for fire-smoke. Insulation shall have an <br />"R" value of 19. <br />PARTITION INSUI.ATION: in interior partitions wYiere shown on <br />plans or herein called for shall be fiber glass batts, factory <br />cut to correct spacing, unfaced, with U.L. rating of 25 flame <br />spread, 50 smoke development. Insulation shall have an "R" <br />values of 13. <br />CEILING INSULATION: Which is between attic and interior space <br />including all sloping, vertical or horizontal surfaces, shall be <br />fiber glass batts, factory cut to correct spacinq, with U.L. <br />rating of 25 flame spread, 50 smoke development. Insulation <br />shall have an "R" value of 19 on ceiling. <br />METAL ROOF INSULATION: Which is immediately under the roofing <br />shall be 2" thick, furnished and installed by.the Roo€ing <br />Contractor. Fiber glass rolls, vinyl faced. Insulation shall <br />- have an °R" value of 19. Fibe.rglass with vapor barrier held in <br />place by 2" mesh poultry netting, on bottom of purlins. <br />a z <br />