On Jan 17, 2010, at 1:55 PM, Ben Zwissler wrote:
> My guess is they don't want create stress points that could cause
> cracks. If the floor is uneven the tub might eventually conform to
> the floor and the high points would be under stress and crack. Just
> a guess.....
>
> Ben....
My Kohler drop-in non-whirlpool had 5 blocks cast into the fiberglass
for support on the floor. The Kohler 3x4 shower pan did too, but the
plumbers didn't bother supporting it. No issues with cracking after 5
years.
Could it be a whirlpool-motor vibration transmission prevention tactic?
jim
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