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APPROVED ASSEMBLIES <br /> Deck Type 1I: Wood, Insulated <br /> Deck Description: 19 /32 " or greater plywood or wood plank <br /> System Type C : All layer of insulation are mechanically attached to roof deck. <br /> All General and System Limitations apply. <br /> Base Insulation Layer Insulation Fasteners Fastener <br /> Gpsum (Table 3) Density /ft <br /> Minimum %" thick 1 1:533 ft <br /> Perlite, High Density Fiberboard <br /> Minimum Y2 thick 1 1 :4 ft <br /> 1 1:6.4 !t <br /> Paroc Cap Board <br /> Minimum 3/4" thick 1 1 :4 ft2 <br /> 1 1:6.4 ft <br /> Top Insulation Layer Insulation Fasteners Fastener <br /> (Table 3) Density /ft <br /> AC FOAM <br /> II, , Pyrox, E III, PSI 25, UltraGard Gold, UltraGard Premier, Firestone ISO - <br /> 95 GW, ES Foam I, Hunter Panel <br /> Minimum %" thick 1 1:4 ft <br /> 1 1:6.4 fts <br /> Extruded or Expanded Polystyrene <br /> Minimum 3 /e" thick 1 1 :4 ft <br /> Extruded or Expanded Polystyrene <br /> Minimum %" thick 1 1:6.4 <br /> Note: Insulation panels listed are minimum sizes and dimensions; if larger panels are used, the <br /> number of fasteners shall be increased maintaining the same fastener density. Please refer to <br /> Roofing Application Standard RAS 117 for insulation attachment. <br /> Vapor Retarders: (Optional) Any UL or FMRC approved vapor barrier. <br /> Barrier Sheet: Atlas Energy Products FR -104D, FR -50®, W' Dens Deck, W' thick UL <br /> Classification type X gypsum with a moisture resistant facer and core, <br /> Foamfold, or a second sheet of barrier board may be used over the insulation. <br /> NOA No.: 07- 1018.14 <br /> Expiration Date: 0822/12 <br /> Approval Date: 02/21/08 <br /> Page 6 of 10 <br />