Jow,

I installed some in my shop about 5 years ago and it seems to work fine,
also it's pretty cheap. However, I put one length of a heavier duct
called spiral duct that has a length of steel curled around the outside.
It is much more substantial and if the cost isn't critical I would
definitely recommend this instead.

Good luck,

Glen Duff



golf wrote:

Hi group:
What success have you people had using the normal household furnace
ducting for a mainline. I know I would have to duct-tape the joint on
the whole length??????????????

Jow

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