open cell or closed cell in attic??
I figure there's been a discussion or two on this already, so I apologize if it's redundant.
I'm doing a complete rehad on an older home. I fully intend to spray foam insulate it, including a conditioned attic. (my attic is very small, due to a lot of vaulting, and I'm settting an air handler up there) I went to the annual remodelers home show here locally today, in part, to look for, a foam contractor. There were 5 to choose from, and I discussed pricing, etc, etc. with each. My question is this. Three of the companies said to use closed cell on the under side of the roof, and the other two said to use open cell. Both had good arguments for their choices. Curious to hear what you all think.......