[DonHopkins]

Perhaps every 10 years you have to hoist the entire house up with a crane and redo the seals.

[ceejayoz]

The video of the central core looks like that's unnecessary; it does appear to be built to be pretty easily maintained.

[saalweachter]

Eh, lifting houses with jacks is a well-established process. As long as there's crawl-space access to the understructure of the house, you could slide some jacks in there, jack it up six inches or a foot, do whatever maintenance you need, and then jack it back down.