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Thread: remove shower pan / base

  1. #1
    DIY Junior Member
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    Default remove shower pan / base

    I have an old shower pan (house is > 30 yr old)
    looks like it is fiberglass
    the drain connection has rusted metal inside with
    some hard glue? on the rim (see picture)
    I can lift the pan a little bit
    is this the lead connected drain?
    how do i remove this shower pan or base from the drain?
    any advice on future drain system is welcome.
    Thanks.
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  2. #2
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Default

    It looks like it is a lead joint. Try drilling holes through the lead and using a screwdriver or small chisel pick the remaining lead out.

    John

  3. #3
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    Default

    thanks for the reply,
    i tried drilling along the inside of the rim
    on first drill it looks like lead came out through the bit
    but after the 1st drill, it seems the bit does not
    want to go in anymore (bits by craftsman says the best
    they sell, bought more than 10 years ago)
    any special bit i should use?

  4. #4
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Drill more holes in the lead then pick the remaining lead out of the joint. After the lead is removed the base will lift off the pipe.

    John

  5. #5
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    Default next step - adapting new drain location

    now the shower pan is out
    next step is to adapt to the new shower pan
    it has a drain 12 inch from each side of the wall
    (see pic)
    the original cast iron drain is 16 and 18 inch from the wall
    drain size is 1-3/4 inch (inner rim diameter)
    what are my options? suggestions? Thanks in advance.
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  6. #6

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    Your option now is to bust the concrete, and relocate the p-trap.

    Cut the cast iron pipe, and use a shielded coupling to connecto the new p-trap.
    Joe the Plumber

  7. #7
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    Talking go for mortar bed

    Quote Originally Posted by Joe the Plumber View Post
    Your option now is to bust the concrete, and relocate the p-trap.

    Cut the cast iron pipe, and use a shielded coupling to connecto the new p-trap.
    Thanks for the reply, what is shielded coupling? if I were to do this, do i just use regular pipe joint to joint castiron and pvc?
    but....
    I have decided to do a mortar bed so I can tile on it.
    more work but will save cutting the concrete and cast iron pipe
    bought a siouxchief cast iron (pic 1 instead of the pvc version pic 2) drain from HD. (comments? )
    I will use redGard on the mortar bed and on the back of .42 hardibacker
    do i still need pvc liner around the bottom of the side walls behind hardibacker or even
    vapor proof the entire 2 side walls?
    Also I chose hardibacker for its easy installation but not sure if it will hold tile well vs wonderboard
    hope i can have some pro comments on hardibacker vs wonderboard in shower.
    thanks in advance.
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