Check out this video of a customer's state of the art facility under construction. They required an R-8 insulation for the duct work that ran throughout the
The Master Flow 10 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R8 insulation which contains 50% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. The duct is ETL listed, meeting the UL181 standard.
Master Flow 8 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket (Pack of 6)
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