Fiberglass Shower Drain Leak

Discussion in 'Shower & Bathtub Forum & Blog' started by LoopyB, Jan 22, 2020.

  1. LoopyB

    LoopyB New Member

    Joined:
    Jan 22, 2020
    Location:
    Florida
    We have a sturdy, quality grade, one piece fiberglass shower surround in one of our bathrooms (House is built on a slab). Floors in house are slab with tile. Recently we noticed the paint at the bottom of the door frame had started to lift and discolor. We found out the drain had not been screwed down all the way and therefore allowed it to leak underneath on to the cement, which eventually started to seep out in front. That was corrected about three months ago, but a moisture meter was used and it is still indicating 20 to 30%. Our concern is what about the moisture underneath the shower unit (Unit sits directly on slab). Do we need to have the wall torn out in order to correct the moisture issue or will that dry out on its own. Any thoughts or recommendations? This is in Florida. Thank you for any help that you can offer.
     
    Last edited: Jan 22, 2020
  2. dj2

    dj2 In the Trades

    Joined:
    Aug 13, 2013
    Location:
    California
    First you have to stop the leak. possible leaks:
    - the flange that has a thin rubber gasket.
    - the fill in thick gasket between the flange and the drain riser in the slab.
    - random cracks in the fiberglass.
    I just replaced a fiberglass 34x60 pan. It had a couple of cracks.
     
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