209.135.35.83
Has anyone used this? I'm thinking of using it for some panels.http://www.thermafiber.com/thermProdLit/index.asp
It's supposed to be a sub for rock wool. It comes in 2" or 4" thickness in a 2' x 4' size. Cost is $32 for nine 2" thick or five 4" thick panels.
Follow Ups: