Mark Webb wrote:

I suspected as much, although I seem to recall the non-pedestal type as
being supported on steel/iron brackets beneath. The pedestal variety
obviously have none and consequently must have a heck of a lot of leverage
on the wall when full of water.

Not as much as there is when someone places both hands on the front of
the basin and leans forward!

IME most pedestal basins are attached to the wall by very modest screws,
and rely on the pedestal for most of the support. That's not to say you
can't firmly attach the basin to the wall.


--
Grunff