[Shop-talk] Drop-in tub install question

[Jim Franklin]

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