We have a client that recently dealt with a similar situation, but it was a racoon. They installed a one-way door, made from galvanized mesh, over the hole. Once the varment was out, the clean-up and ... read more
John,
I must confess to never having seen that application.
I am not sure the finish would look good or even hold up over the long term. I would also be worried about the potential vapor retarder ... read more