Product HighlightsMicro-Aire® duct board is used to fabricate ducts for commercial and residential construction and delivers excellent acoustical and thermal performance. It is produced using our dedicated manufacturing process that results in increased product consistency for efficient fabrication. Micro-Aire's flexibility and design saves contractors weight and cost. In addition, installed Micro-Aire has less air leakage compared to metal ducts, which provides building occupants with more consistent temperatures, improved comfort and energy efficiency.
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Weight 650.00 Pounds Length 121.00 Inches Width 49.00 Inches Height 48.50 Inches Country of Origin USA Brand Johns Manville Tier MICRO-AIRE Flame/Smoke Rating 25/50 R-Value R8.7 Application Duct Board Color Yellow Composition Fiber glass Finish Black mat, FSK Noise Reduction Coefficient (NRC) 0.95 Resistances K = 0.23 Size 2" x 48" x 120 Standards UL-181 Temperature Range 40°F to 250°F (4.4°C to 121.1°C) Thickness 2" UL Listed Yes UL Recognized Yes Approvals R3711
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