Quote:
Originally Posted by Scott H.
That depends on the shed. Are the outer walls wood or metal?
If they're wood, I would use the roll insulation.
If they're metal, stick with the foam.
The reason I am saying this is metal siding tends to sweat when you have a large enough temperature differance between the inside and outside of the building. Roll insulation could absorb the moisture and after a while you would have mold starting to grow in it.
Foam tends to let the moisture roll off of it and doesn't mold as easily.
One major thing to remember when insulating though, if you insulate the roof it needs space between the actual roof material and your insulation to allow for air movement. I learned this the hard way and cooked the shingles off of one of my sheds due to the heat build up under them.
There are foam products on the market that will space everything out and provide the required space for air movement if you need it.
I hope this answers your question,
-Scott H.
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Thanks, yeah my shed is metal on he outside including a metal roof to match my houses roof. There is an actual roof vent cut the entire length to allow to breath. All off the studs are wood though.