Quote Originally Posted by freonjoe View Post
Most yards don't care if low grade boards are broken up.
In the end, the boards are ground up to reclaim all the "other PM's" that are still available on the board, so a break or two won't hurt anything.

I'd stay away from using a heat gun, #1 you don't want to be breathing a bunch of those fumes and #2 you'd probably use more electricity than what you'd recover.