Andrew Gabriel coughed up some electrons that declared:

In article ,
Bob Minchin writes:
No practical experience of bamboo but IMHO the only practical floorings
for wet areas are ceramic floor tiles or vinyl sealed to the edges.

Would just say that ceramic can be very slippery with fet feet,
and I'd be careful of this with any elderly/infirm person.
(Possibly applies to most surfaces.)

You can get textured ceramic - would that be better?