ype 475 Fiberglass Duct Board, Insulation Thickness: 1 in, Material: Fiberglass, Color: Yellow, Facing Type: Black Mat and Aluminum Foil, Length: 10 ft, Width: 48 in, R-Value: 4.3, Application: For Fabrication Into Rectangular Ductwork, Heating, Ventilating and Air Conditioning Systems in New Commercial or Residential Construction or for Renovating Older Sheet Metal Systems, Hot Service Applications, Temperature Rating: 850 deg F, Water Vapor Permeability: <0.02 perm-in, Water Vapor Sorption: <5 %, Flame Spread Index: 25, Smoke Developed Index: 50, Thermal Conductivity: 0.23 Btu-in/hr-sq-ft-deg F
Application : For Fabrication Into Rectangular Ductwork, Heating, Ventilating and Air Conditioning Systems in New Commercial or Residential Construction or for Renovating Older Sheet Metal Systems, Hot Service Applications
Color : Yellow
Facing Type : Black Mat and Aluminum Foil
Flame Spread Index : 25
Insulation Thickness : 1 in
Item Name : Fiberglass Duct Board
Length : 10 ft
Material : Fiberglass
R-Value : 4.3
Smoke Developed Index : 50
Sub Brand : Micro-Aire
Temperature Rating : 850 deg F
Thermal Conductivity : 0.23 Btu-in/hr-sq-ft-deg F
Type/Style : Type 475
Water Vapor Permeability : <0.02 perm-in
Water Vapor Sorption : <5 %
Width : 48 in
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