Page 48 - Green Builder Magazine Jul-Aug 2021
P. 48

Junking
      the Trunk
      Here is the
      family room’s
      main HVAC
      trunk line.
      Notice how they
      reduced the
      size of the duct
      to fit under a
      support beam,
      substantially
      reducing
      the flow and
      output.
















                                                          Lack of Support





































                                                          This 4-by-10 floor beam is supported by a field-
        Note the joist hanger for the 4-by-10 floor beam. It only has   fabricated sheet metal, fashioned into a joist hanger.
        two nails and is nailed into the end grain of a laminated   Note that there are only two nails into the beam.
        veneer lumber (LVL). Not structurally adequate.   We are retrofitting to correct this defect.

            46   GREEN BUILDER July/August 2021                                                   www.greenbuildermedia.com
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