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c. NCFI Polyurethanes <br />2.02 MATERIALS <br />A. Under Slab and Foundation Wall Insulation: Expanded polystyrene extruded into 2 inch <br />thick boards for under slabs and over foundation waterproofing, or as indicated on Drawings. <br />Provide insulation conforming to the requirements of ASTM C 578, Type IV; with a 5 year <br />aged R -value of 5. <br />B. Unit Masonry Insulation: Fill ungrouted cells of masonry with foamed in place two <br />component thermal insulation. Insulation shall be a Class A material with an R value of 4.9 <br />per inch. Provide masonry insulation as manufactured by CORE -FILL 500 asmanufactured <br />by Tailored Chemical Products, Hickory, NC, or acceptable equal. <br />C. Cavity Wall Insulation: Extruded polystyrene insulation boards meeting or exceeding the <br />requirements of ASTM C578, Type IV, and with a "K" factor of 0.20 or less when tested in <br />accordance with ASTM C 518. Provide insulation 1-1/2 inches thick unless otherwise <br />shown. <br />D. Roof Insulation: Provide a minimum of 2" polyisocyanuate insulation. Provide aminimumof <br />two staggered layers, unless otherwise indicated. Provide tapered insulation where roof <br />structure does not slope. Roof insulation shall be approved by roofing manufacturer in <br />accordance with the requirements of the roofing warranty. Roof insulation shall meet the <br />requirements of a UL Class A and FMClass 1 roof. Insulation shall have an aged R -value of <br />5 per inch. Secure insulation as required by the roofing manufacturer to achieve an FM 90 <br />installation. Install'/" glass faced gypsum board where insulation is installed over metal <br />deck. <br />E. Safing Insulation: Semi-rigid boards for use as fire stop. Materials shall conform to <br />requirements of UL penetration systems. Safing material shall meet the requirements of <br />ASTM E-136. <br />F. Sprayed Polyurethane Foam: Apply by factory trained or certified installers. Foam blowing <br />agent shall zero ozone depleting potential, no VOC's and be formaldehyde free. Foamshall <br />be a closed cell with a 2 lb. density and provide a minimum R value of 5 per inch. Foam <br />shall be Class I product in accordance with ASTME84. Exposed surfaces shall be sprayed <br />with an approved intumescent barrier or approved thermal barrier. <br />G. Adhesive and Fasteners: Type compatible with insulation, masonry, concrete, or other <br />substrate and as recommended or produced by the insulation manufacturer. <br />H. Sealer and Tape: Type recommended by insulation manufacturer and having perm rating <br />and fire resistance characteristics similar to that of the insulation. <br />PART 3 -- EXECUTION <br />3.01 GENERAL <br />A. Insulation shall be provided in walls, slabs and ceilings and where shown on Drawings. <br />3.02 INSTALLATION OF INSULATION <br />A. Install in accordance with the manufacturer's printed installation instructions to provide <br />maximum sound and thermal benefits formaterial specified. Install to fill or cover voids. Cut <br />neatly to snugly fit angles, corners and irregular areas and carefully wrapped around pipes, <br />conduits, outlets, switches, beams, etc., to maintain continuity of insulation. Avoid gaps or <br />bridges. <br />B. Foundation and Under -Slab Insulation <br />1. On vertical surfaces, set units in adhesive applied in accordance withmanufacturer's <br />instructions. Stagger vertical joints, except ends over line of expansion joints. <br />2. On horizontal surfaces, set units level, unless otherwise noted. <br />C. Cavity Wall Insulation <br />1. On vertical surfaces of masonry adhere to inner wythe of block. <br />2. Joints between insulation board units shall coincide with masonry joint reinforcing. <br />30048-005: 5/30/2012 07210-4 North Olmsted Phase 2 <br />