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Community and Q&A

Curbless shower on a slab

dzndrm | Posted in Expert Exchange Q&A on

I am looking at a remodel that will be converting a tub to a curbless shower. The house is meant for someone with mobility challenges so needs a universal approach. The house is on a slab so Tom Meehan’s method of adding  plywood makes sense but what happens then at the threshhold of the bathroom (hallway to bath)? Add a sloped transition piece? Is there anything more graceful? Thanks!


  1. user-2310254 | | #1

    Another option is to score the slab and chip out the pieces. I've watch videos of this process. It's messy but not particularly difficult. Here is an example:

    1. Expert Member
      NICK KEENAN | | #3

      This is the way I'd go. You're going to have to bust up the slab anyway because the drain for a tub isn't code for a shower. The only thing I'd check is to make sure the existing drains are deep enough in the slab, you're probably going to have to drop the trap a couple of inches. If you pull the toilet you can see how deep the drains are.

  2. dzndrm | | #2

    Thank you! I am getting some push back on messing with the slab but perhaps this how-to will help.

  3. jerhullP | | #4

    There are "curbless" shower pans out there that only have a 3/4" threshold, and if you are installing a new tile floor you could easily make it flush with the tile.

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