You can find most insulation recommended thicknesses to prevent condensation on an insulation manuf. web site. Try Armaflex, or Knauf.
The cover is aluminum, and or pvc. To prevent physical damage to the insulation.
Steve
This is a life safety issue, so you might look into NFPA.
It definately is a code issue, so at least provide the minimum cfm/sq.ft. required, and watch where your air flow paths are, via. high and or low inlets and outlets.
Steve
An induction box, or unit,provides a jet of air at the box, which entrains room air. The entrained room air mixes with the air from the jet of air from the induction box and mixes temperature. A small amount of air at high velocity from the induction box can cause a much larger quantity of air...
