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Search results with tag "Sheet metal duct"
A GUIDE TO INSULATED HVAC DUCT SYSTEMS
insulationinstitute.org(2) Rigid boards, supplied in sheet form. Fig. 2. Sheet metal duct lined with fibrous glass insulation Duct liner secured to sheet metal with adhesives plus metal fasteners Available in thicknesses from 1/2 to 2 in. (13 to 51mm) Tough airstream surface resists shop, installation, and service damage Sheet metal ducts must be tightly sealed
Installation Requirements - Flexible Duct
flexibleduct.orgDo not use data for round sheet metal duct. Since all flexible ducts are not alike, use the flexible duct manufacturer’s air friction loss data to size the ducts whenever possible. If no data is available, use the generic flexible duct friction loss chart in ACCA Manual D. c. Use the minimum length of flexible duct needed to make the connections.