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Daox · 09-22-12, 07:45 AM

You can also do as AC hacker has done and use rigid foam, and just use expanding foam in a can (great stuff) around the rigid foam. You cut the foam to fit between the joists and use the expanding foam around the edges to seal it up. WAY cheaper and air seals just as well, and you get the same R value per inch if you use rigid polyiso. He has a thread somewhere about it, I think its about his kitchen remodel?

09-22-12, 07:45 AM	#21
Daox Administrator Join Date: Aug 2008 Location: Germantown, WI Posts: 5,525 Thanks: 1,162 Thanked 374 Times in 305 Posts	You can also do as AC hacker has done and use rigid foam, and just use expanding foam in a can (great stuff) around the rigid foam. You cut the foam to fit between the joists and use the expanding foam around the edges to seal it up. WAY cheaper and air seals just as well, and you get the same R value per inch if you use rigid polyiso. He has a thread somewhere about it, I think its about his kitchen remodel? __________________ Current project - To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. & To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.