centered shower drain?

Discussion in 'Shower & bathtub Forum & Blog' started by decisions decisions!, Sep 8, 2005.

  1. decisions decisions!

    decisions decisions! New Member

    Messages:
    29
    Location:
    California
    Our remodeled shower will be long and narrow because of space. Does the drain have to be centered? The contractor asked if I want the drain moved or leave it as is (not centered and it wouldn't be under the shower head-I think it would save him some work). I would appreciate help with this decision! Thanks!
  2. Kristi

    Kristi Tradesman Plumber

    Messages:
    176
    Location:
    Vancouver, BC
    Nope, the drain does not need to be centered. I can certainly be accused of making my job easier by leaving the drain where it is (after removing a tub) and offsetting it a bit to make sure it's not under the tiled wall at all... some say that it looks funny with the tile (as it must all slope towards the drain) at the short end and sides, but i disagree. It looks fine to me if tiled nicely.
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,816
    Location:
    New England
    While you can place the drain anywhere, the preferred location is centered. The floor of the shower needs to be sloped towards the drain from all sides. You determine how much lower the drain is based on the longest distance water has to travel. Say 4', it must be 1" lower than the walls. Dropping 1" over that 4' is a nice gradual drop, but if the drain is only 1' from the other wall, it still has to be 1" lower. Now, you have 1" over 1', a quite steep slope. (This is assuming you want the bottom row of tile to be even all around which is what is normally done.) So, now you can decide. Check out www.johnbridge.com and read up in their 'liberry' section on how a shower is supposed to be built. It will explain things, and help you know if yours is being built properly and maybe help you decide how you can prevent problems in the future. It's a big expense, and should last decades if done right...dig out the knowledge, it's worth it.
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