Called the guy. He has a little of everything. He has about 800 pieces of 2'x3' x 1'2" for 500 bucks. It is only 1.5 r value. Said guys are putting that in between the Girts then going over it with a rolls to double it up. He has rolls varying from 6, 8 feet wide between 100-300' in 1'2" for 75 bucks a roll. Also has about 20 4x8x1" boards left for $7 a board. Not sure on the r values as they all vary depending on what ya want.
Heating Ohio pole barn
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Called the guy. He has a little of everything. He has about 800 pieces of 2'x3' x 1'2" for 500 bucks. It is only 1.5 r value. Said guys are putting that in between the Girts then going over it with a rolls to double it up. He has rolls varying from 6, 8 feet wide between 100-300' in 1'2" for 75 bucks a roll. Also has about 20 4x8x1" boards left for $7 a board. Not sure on the r values as they all vary depending on what ya want.
KennyG
Elite Member
I can't open CraigsList at work, but if the polyiso sheets are really $1 it's a screaming bargain. If I recall they are about $20 new and usually go for about $5 used. Polyiso will outperform any other foam insulation. It also cuts much cleaner.
LD1
Epic Contributor
Never used the foam boards. How well it works is all up to how its installed. If you dont cut clean straight lines, you end up with gaps and voids. Where as fiberglass conforms.
When it comes to insulation.....Blow in is the cheapest per R-value. But I dont like it in the walls as it "can" settle.
Fiberglass is next.
Then foam boards
Then spray foam.
To get the most insulation for the least money.....fiberglass in the walls ans blown in for the ceiling.
When it comes to insulation.....Blow in is the cheapest per R-value. But I dont like it in the walls as it "can" settle.
Fiberglass is next.
Then foam boards
Then spray foam.
To get the most insulation for the least money.....fiberglass in the walls ans blown in for the ceiling.
PILOON
Super Star Member
With those poly boards at that price you could always use 'spray foam in a can' to fill the gaps.
Often you can buy a larger spray kit vs cans.
Another option is to stuff insulation fiberglass into any voids and then tape over the filled joint.
I did seem to note that those foam boards were foil covered and that would act as a vapor barrier hence you'd want to tape the joints.
Often you can buy a larger spray kit vs cans.
Another option is to stuff insulation fiberglass into any voids and then tape over the filled joint.
I did seem to note that those foam boards were foil covered and that would act as a vapor barrier hence you'd want to tape the joints.