some AC duct is made of insulation wraped in foil it could be a number of things ei. old duct to rodents
No
Foil and Fiberglass Duct Insulation is best.
Energy Star provides services for you to get duct insulation done. You can also buy the accessories needed from home depot or Lowes and do it yourself.
It causes a reduction in air flow.
it is cold-air-induced condensation in the supply ducting. the outside of the duct is wrapped in insulation to prevent this. that insulation has failed, and the condensation is finding its way into your room. accessing the ducting will be difficult, but foam stripping and good-ol duct tape will fix the break in the insulation. Happy Hunting.
Radiant Barrier is essentially insulation that can be found anywhere where regular insulation is installed. Radiant barrier is foil and can often be seen covering duct work.
53.3
I really dont know but I will tell you to check out some articles at www.High Beam.com and you can check out HGTV on TV and they always put in insulation!
House made of duct tape. I wouldn't reccomend it.
it is made of
Duct tape is made out of plastic, gaffer tape is made out of cloth.