ya, you'd need multiples of these anyway, just for the redundancy. That said, it's fairly straightforward to put up separate walls that seal different compartm

ya, you'd need multiples of these anyway, just for the redundancy. That said, it's fairly straightforward to put up separate walls that seal different compartments. The rectangular shape makes expansion and inter-zone connections a lot easier. Many air mattresses use similar techniques, and most inflatable watercraft have that redundancy.