Posted 12/3/2025 17:50 (#11455888 - in reply to #11455813) Subject: RE: Insulating an Existing Pole Barn
North Central Illinois
I have a 30x60 that has 3" thick foam on the backside of 3/4" OSB for the walls and same foam in 4x8 sheets, minus the OSB between steel purlins in the ceiling with 4" fiberglass bats above that. I wish I had more in the ceiling to reduce LP cost, but it ain't unreasonable to heat it.
Insulating an Existing Pole Barn
