Trying to seal everything that could leak in an older TT

I was going to share my experience with you until you mentioned the ALASKA/cold/snow/storage scenario. I'm in South Florida and know nothing about cold climates. I was going to say that I had done exactly what you said on my precious TT and it worked to prevent leaks. Only suggest is I put three small stainless screws in each of the 3m plastic rain gutters as they separated from the side of the TT after a short time. In my case the glue melted. LOL