So I decided to foam in the tank deck, but not glass it in. It doesn't seem worth the effort. It is stuck down solidly with the foam, resting on the keelson. I plumbed two 3/4 PEX tube from the fore and aft tank compartment bulkheads. I recommend it. It can be bent to conform to the hull easily.
At any rate, I will do what moeller says and put foam padding between the tank and where it rests. But I will just foam that in under it. So it would be tank- 3/8" foam sheet- 2-4" floatation foam- hull/ stringers.
The tank is just under the (main) deck. I am not 100% sure how (if) to restrain it that way. I can put some foam in a bag and squeeze it between the tank top and the deck? Straps would be really tough to do, I think.
Any thoughts?
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