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' <br /> D. Molded Polystyrene Board Insulation: Rigid, cellular therntal insulation formed by the , <br /> expansion of polystyrene resin beads or granules in a closed mold to comply with <br /> ASTM C 578 for type indicated;and as follows: <br /> 1. Type VIII, 1.15 pcf min.density,aged r-values of 4.2 and 3.8 at 40 and 75 deg F ' <br /> (4.4 and 23.9 deg C),respectively. <br /> 2. Surface Burning Characteristics: Maximum flame spreac! and smoke developed <br /> values of 75 and 450,res}�ectively. � <br /> E. PhenolicBoardInsulation: Rigid,cellulazthermalinsulationwiththermosetphenolic-based <br /> closed-cell foam core and 2-ply foil-kraft-liner facing lami�nated to both sides,in board forna <br /> comglying with ASTM C 1126 for Type II,Grade l;with r-value of 8.33 at 75 deg F(23.9 ' <br /> deg C). <br /> 1. Surface Burning Characteristics: Maximum flame spread and srnoke developed <br /> values of 25 and 35,respectiveiy. � <br /> F. Polyisocyanurate Baard Insulation: Rigid, cellular thermal insulation with <br /> giass-fiber-reinforced polyisocyanurate closed-cetl foam core and aIuminum foil facing ' <br /> Iaminated to both sides;complying with FS HH-I-1972/1,Class 2; aged r-values of 8 and <br /> 7.2 at 40 and 75 deg F{4.4 and 23.9 deg C},respectively;and as follows: <br /> I. Surface Burning Chara.cteristics: Maximum flame spread and smoke developed ' <br /> values of 20 and 200,respectively. <br /> G. Cellular Glass Block Insulation: Rigid cellular glass thermal insulation with closed-cell � <br /> structure,passing ASTM E 136 for testing of combustion characteristics,in flat or tapered <br /> block form complying with ASTM C 552 for Type I;with r-values of 3.03 and 2.86 at 50 <br /> and 75 deg F(1Q and 23.9 deg C),resp�tively. � <br /> I. Rigid Board: Class 1 and 2,nominal density of 6.0 pcf,r-value of 4.3 at 75 deg F <br /> (23.9 deg C). <br /> H. UnfacedMineralFiberBlanket/BattInsulation: Thermalinsulationproducedbycombining � <br /> mineral fibers of type described below with thermosetting resins to comp[y with <br /> ASTM C 665 for Type I(blankets without membrane facing);and as follows: � <br /> 1. Mineral Fiber Type: Fibers manufactured from gtass or slag. <br /> 2. Surface Burning Characteristics: Maximum flame spread and smoke developed <br /> val�es of 25 and 50,respectively. � <br /> I. Faced Mineral Fiber Blanket/Batt Insalation: Thermal insulation produced by combining <br /> mineral �6ers of type described below with thermosetting resins to comply with � <br /> ASTM C 665 for Type III,Class A(blankets with reflective vapor-retarder membrane facing <br /> with flame spread of 25 or iess);foil-scrim-kraft or foil-scrim-polyethylene vapor-retarder <br /> membrane on one face,and as follows: <br /> 1. Mineral Fiber Type: Fibers manufactured from glass or slag. � <br /> 2. Surface Burning Characteristics: M�imum flaine spread and smoke developed <br /> vaiues of 25 and 50,respectively. ' <br /> J. "RX-2 Reflective Aluminum Foil Insulation,"R-Fax Technologies,Inc. <br /> VAPOR RETARDERS � <br /> A. Poiyethylene Vapor Retarder: ASTM D 4397,6.0 mils thick,with a maximum permeance <br /> rating of 0.13 perins. ' <br /> BUILDING INSULATION Page 4 of 6 <br /> ' <br />