I made mine for my workshop - got some ceramic fiber insulation and a couple of stove collars

dissipates heat really well. I didn't want to go thru the attic floor and out the roof. Probably $70 worth of material.

[Linked Image from i.imgur.com]

Last edited by KFWA; 10/25/22.
have you paid your dues, can you moan the blues, can you bend them guitar strings