Mike Jay wrote:Wood in northern MN? No problem.
Softwood in northern MN? No problem.
DRY softwood, preferably cedar? Challenge/problem. Good luck!
Mike Cantrell wrote:Here's a list of sawmills from the Minnesota DNR.
It gives two right in Grand Marais- Hedstrom and Mielke's.
We've got wood! We've got wood!
Be sure the sawdust is super dry. Wet or even slightly damp sawdust is not your friend.
we have access to as much sawdust as we need for free, so lime/sawdust for the insulation.
Todd Parr wrote:My father used a double row of 16"x16" chimney blocks on a concrete footer for his building. I don't know exactly how thick the concrete is, maybe 8"?, but it's not anywhere near being beneath the frost line and it has held up beautifully. I'll take some pictures if anyone is interested in seeing it.
Edited to add: By double row, I mean one on top of the other, not side by side.