Hi! My husband and I discovered that underneath our yucky wall to wall carpet was a beautiful hard wood floor. The only probelm is that when the carpet was laid down 7 years ago they glued the pad to the wood floors. The floor is in great condition and we would rather not have to refinish our entire house. Any suggestions on how to remove the glue without damaging the wood floor? Do we have to use chemicals-- or are there any out there that will remove the glue but not the finish?