When I called the place I linked above, I was told they are based out of MA, but have distribusions centers all over the country, there is one in MI but currently only had bead board. He was going to check with their IL place and get back to me but has yet to call back. The price was going to be $.22 sq ft for 3" thick ISP, but he needed to see if they had the ammount I was looking for along with a shipping price.
If anyone wanted to, it would probably be worth calling and findign out the closest distributionn center, and if close enough to go get it, would be really cheap... I'm sure the shipping will end this for me, unless the mi location gets what I need in.
The only catch was you must buy a min. of one pallet. I'm sure that would strap easily to teh trailer you plan to use for the camper...
