"This is the ideal solution for insulation in many standard applications, e.g. wall stud bays or ceiling joist bays. The bats cut easily with a serrated bread knife -- and they stay where you put them."... (read full reviews)
"Great for sound deadening and not bad for insulation. Officially it is an R-0 but that's only because it hasn't been officially rated. unofficially it is around an R-12.
And if you're trying to"... (read full reviews)