Jim, awesome advice and another point I had forgotten about. Yes, the fact of water getting in and rotting, corroding, or causingold was definitely a problem I had also.

Av8rps...dang, that was a cool idea! Something the OP can surely think about. Was it easy to put on? Growing up on a farm and using canvas tarps, I am wondering if it was cumbersome and heavy. I do like the idea though.