Does any one have any ideas how to waterproof the inside of my wood tank stand? I was planning on using something called STARCO PERMA-SEAL Flexible Elastomer Coating. http://www.glueplace.com/products/ST...SHIPPING*.html A Multipurpose, continuous coating instant leak sealer. PERMA-SEAL can be applied to any surface to provide a waterproof flexible continuous rubber coating that will stop leaks and act as a barrier ...