Hello, I'm installing a free standing wood stove, and using Duravent DVL double wall stove pipe. This is a through the wall installation, I used duraplus triple wall class a chimmney. My problem is I made an error in my calculations, and the hole in the wall needs to be about 3 inches to the left so the 90 deg elbox lines up with the wall connector. My question is, does anyone know of any flexible stove pipe that is approved for inside use, it will not be near combustable surfaces. I called duravent today and they don't sell anything that is flexible.
Thanks
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