marble bathroom floor problem please HELP

August 13, 2019

we had the Bianco venatino marble installed in our bathroom and are having two issues

  1. our shower pan has these two dark areas that stay dark even after 72+ hours of no use. tiler did mud set then thinset, regular TEC grout, then sealed with miracle 301 impregnable sealer.
  2. within weeks of very gentle use, two of the large floor tiles showed cracks in them.


  1. what is the problem with the shower pan not lightening up?
  2. what is the problem with the floor?
  3. how do you recommend fixing each of these issues?
  4. is this an installation problem? if so should tiler be responsible for complete removal and redo of pan and purchase of replacement tile?

we are disappinted and really hoping for some help. thank you so much for your help in advance!!!

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