Epoxy Paint
http://www.canadiantire.ca/AST/browse/3 ... ?locale=en
Silicone tent stuff?
http://www.canadiantire.ca/AST/browse/5 ... ?locale=en
DryLok Masonry waterproof paint. (do you think this will stick to plywood as well)
http://www.canadiantire.ca/AST/browse/3 ... ?locale=en
Thanks
