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I had some water intrusion into my tank and it stopped both motors from running. I took out the tank and had it sandblasted and coated with a poly urea. It's a 1988 Revenge 20 WT. I'm going to be putting the tank in soon and would like to know what to put under the tank? When I removed it there was some material under there but I threw it away along with all the soggy foam. I'm going to affix the neoprene strip that is still in the bottom of the 'coffin' with 3m5200 to the bottom of the tank. I would like to put something else under the tank to protect the gel coat. Any ideas what I can use? I'm not planning on foaming in the new tank. I'm going to use that blue board insulation from Home depot and make sure it doesn't reach the bottom so I have some air flow. Thanks