Join Date: Nov 2007
Location: East Providence, R.I.
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Rep Power: 9
You could use some galvanized pipe (like stove pipe but used for ducts) along w/ some elbows and wrap that w/ the 1/2" or so duct fiberglass that comes on a roll.
They also make a commercial insulated flexible duct (used for cooling/heating) that has the foil on both inner and outer w/ fiberglass on the inside and a wire spiral for strength.
Ken, East Prov., R.I. Bootlegger, PY26 Paceship
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