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What is the best and most economical way to insulate a pole barn 32x48. Do they make insulation that is wide. Can't use fiberglass it is to narrow and I would have to frame for it.
The best insulation for a pole barn is probably some type of spray-on. Quite possibly, though, not the cheapest - at least up front. Don't let yourself be penny wise & pound foolish by selecting a low-buck option; you will live to regret it. Any insulation that traps moisture will rot your wood & rust your metal plus destroy the R-value of the insualtion.
BTW, you will want to keep birds out of your shop - they will LOVE pecking away at whatever you use.
Make sure you also have properly functioning fire extinguishers in your shop (and house & Ford Truck), for that matter as well. Hope you never need them, but have them anyway!
I just wish I HAD a shop to insulate! Oh well, someday...
I have seen two cost effective ways to insulate a pole barn. No matter what it is going to cost more than to insulate a studded wall.
Home depot has a form of packaged roll insulation. It comes in 4' wide rolls and is a bubble lined foil. A neighbor used it with good results. It has a R value of 9 I think, but it is better than nothing. It is stapled to your horizontal 2x4s.
Foam board has come a long way and is 2 1/2" thick. It fits nicely between the boards and can be installed with two layers to give a high R value. It also sits flush with the poles if doubled.
As stated It is not as cheap as a roll of fiberglass.
They make fibreglass insulation in four foot widths X up to 2 1/2" thick with reinforcment thread in a tough foil face. Its called duct wrap or basement wall insulation. It can be found at air conditioning supply houses or wholesale insulation supplies. What is your floor made of? You should insulate the edge of your floor with ridged foam sheets, by digging around it. Two foot deep minimum, four foot is ideal. If your ceiling is high and you are trying to heat the space you will need warehouse ceiling fans to push the heat down. Pole buildings are hard to Insulate and heat, did a private horse arena in Manassas years ago, luckily the guy was rich. If you go with a froth spray, have it professionally done, and do it when its humid out. The spray expands more in high humidity, and will have a higher R value. You might want to check with your building codes department, some areas require you to cover insulation with a fire resistant material. IE taped sheetrock or stucco.
Dant,
How is your pole barn framed? That would be the determining factor to the insulation you choose.
Are you using perlions (horizontal boards between poles)?
Have you framed between the poles (16" or 24" O.C.)?
I assume you've already poured a slab?
give me some details.
KingFisher