"Howie" wrote in message
...


To run it outside, I'll have to run the venting up into the about cabinet,
then into an inside an interior wall cavity about 24" (can I do this?) to
the ceiling. From there, can I run a flexible vinyl tubing to the roof?
I
am about 35" from an exterior wall. Which is best? (roof or wall)...

Howie


To pass code in most areas hood venting needs to be done in metal pipe, no
way I would run it in vinyl flex duct!
Think range fire, with the fan running. You just helped fan the flames and
spread them into the attic!
If you can not vent it outside in metal duct, then don't bother!
Greg