Filling foam into Hull #1

Using closed-cell polyurethane foam to fill the unused bulkheads in hull #1. Closed-cell PU foam doesn't absorb water like most foams. The foam is produced by combining two parts together and watching it expand. After expansion, the foam solidifies and provides a very solid buoyancy in case one of the bulkheads is breached. It is not, however, UV-stable.

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