332 SW EVERETT MALL WAY NATIONAL GENERAL INSURANCE 2017-04-06

AC Insulation !I7 Mat-Faced Micro-Aire® Johns Manville Fiber Glass Duct Board Type 475&Type 800 Description . - Mat-Faced Micro-Aire®duct board is produced from durable glass fibers, bonded with a thermosetting resin.The airstream side of Mat-Faced Micro-Aire duct board features a black fiber glass mat,which minimizes visibility of the duct system at supply air and return air outlets while providing excellent durability in high-velocity conditions.The exterior surface features a fire-resistantfoil-scrim-kraftfacing extending the full width of the male edge to serve as an integral closure flap for section joints. Mat-Faced Micro-Aire duct board is molded with double-density, male/female edges for secure connections. Uses Mat-Faced Micro-Aire duct board is ideal for fabrication into = rectangular ductwork for use in heating,ventilating and air-conditioning systems in new commercial or residential construction,or for renovating #k ... ` older sheet metal systems. Advantages General Properties Durable Airstream Surface.Mat-Faced Micro-Aire exhibits superior Operating temperature(max.)—ASTM C411 250°F(121°C) toughness compared to standard fiber glass duct board.It provides Air velocity(max.)—ASTM C1071 5000 fpm(25.4 m/sec.) increased resistance to damage that can occur from in-shop handling, Internal pressure(max.)—UL 181 2"w.c.(498 Pa) fabrication,jobsite shipping and installation. Fungi resistance—ASTM C1338 Does not breed or promote Fungi resistance ASTM G21 No growth Low Resistance to Air Flow.Mat-Faced Micro-Aire duct board has Bacteria resistance—ASTM G22 No growth a smooth interior surface that offers minimal resistance to air flow.Air Water vapor transmission ASTM E96 <0.02 Perms friction data is available from your Johns Manville representative by Water vapor sorption—ASTM C1104 <5%by weight requesting AHS 165. Quiet Operation.Fabricated Mat-Faced Micro-Aire duct systems Standard Thicknesses and Packaging noticeably decrease the audibility of crosstalk,equipment noise,and To facilitate cost-effective fabrication and installation,Mat-Faced eliminate the sounds associated with the expansion and contraction Micro-Aire duct board is available in cartons or on pallets of sheet metal duct systems. in several size configurations.(11/2"[38 mm]and 2"[51 mm]thickness available as Type 800 only.) Will Not Support Microbial Growth.The airstream surface of Mat- Size Thickness Faced Micro-Aire duct board is treated with an antimicrobial agent specifically registered with the EPA for HVAC applications to resist in mm in mm potential growth of fungus or bacteria on the airstream surface. 48x120 1219x3048 1,11/2,2 25,38,51 96 x 120* 2438 x 3048* 1,11/2 25,38 Mat-Faced Micro-Aire duct board passes UL 181 mold growth *wide Board'available on pallets only. resistance testing.Tests were conducted in accordance with Note:48"x96'x 1"(1219 mm x 2438mmx25mm)size available on a Special ASTM C1338 and ASTM G21(fungi testing)and ASTM G22(bacteria Product Price Inquiry(SPPI)basis only. resistance testing).Detailed information is available in Johns Manville fact sheet HSE-103FS. Surface Burning Characteristics Mat-Faced Micro-Aire meets the Surface Burning Characteristics and Note:As with any type of surface,microbial growth may occur in Limited Combustibility of the following standards: accumulated duct system dirt,given certain conditions.This risk is Standard/Test Method minimized with proper design,filtration,maintenance and operation •ASTM E84 of the HVAC system. •UL 723 Maximum Flame Spread Index 25 •NFPA 90A and 90B Maximum Smoke Developed Index 50 Cleanability.If cleaning is necessary,the airstream surface may be cleaned using standard industry-recognized dry methods.See the •Canada:CAN/ULC S102-M88 North American Insulation Manufacturers Association(NAIMA) Specification Compliance "Cleaning Fibrous Glass Insulated Air Duct Systems: •UL 181 Class 1 Rigid Air Duct Listed "Friendlier Feel:'The smooth mat facing creates a friendlier surface •ICC Compliant for fabrication and installation,and reduces exposure to normal •MEA#237-86-M construction dust. •Universal Building Code(UBC) Flexural Rigidity •International Mechanical Code(IMC) •Canada:CGSB 51.10-92 and CAN/ULC-S110M Mat-Faced Micro-Aire duct board is available in stiffness values of 475 and 800 El.The stiffness or flexural rigidity is the product of Young's Modulus of Elasticity(E)and the Moment of Inertia(I), as determined in accordance with NAIMA AHC-100-74(REF, ASTM D1037). HVAC-334 1/14(Replaces 9/10)