marble bubbling noise

There's a constant bubbling sound coming from our newly installed shower seat. It's a steel corner seat covered with a marble top and front. The front piece of marble fell off the first time the shower was used. The fiberglass mesh is stuck to the fallen marble, but all the adhesive (grout?) stayed on the steel seat base. What's caused this, & how can it be repaired/silenced?

 

Dear Debbie:

“ What's caused this, & how can it be repaired/silenced? ”

It's pretty obvious: a poor installation technique!

Call your installer back and demand that they make good.

Ciao and good luck,

Mauri z io Bertoli

 

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