Wrong. Again.
The original DUCT tape had and still has NO metal foil.
http://tinyurl.com/ywrzu5
"Noozer" wrote in message
news:eaVSi.106433$Da.35678@pd7urf1no...
Duck tape and duct tape are TWO DIFFERENT THINGS!!!!
Duck tape is made from cloth and is a REALLY bad choice for using on
ducts. It was designed originally to repair tarps and withstand the
weather.
Duct tape is made from metal foil and is designed for use on metal
ductwork.