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Thread: Help disolve Silicone from Tub

  1. #1
    Network Engineer rmelo99's Avatar
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    Default Help disolve Silicone from Tub

    I have a cast iron clawfoot tub that I am reusing in my bath remodel. The enamel on the inside of the tub is in great shape.

    The problem is at some point someone added a shower to the tub but they did a hack job that consisted of a 2x4 framed wall that was siliconed to the top lip of the tub.

    I now need to disolve gobbs and gobbs of silicone from the tub lip without damaging the enamel.

    Any help?

  2. #2
    Master Plumber master plumber mark's Avatar
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    Talking use a razor knife

    go out and get one of those tools that holds a razor blade

    and they it use to clean paint off clear glasswindows panes.....

    its aboutthe best way to get the majority of that crap off the tub, it will cut through it like butter....

    then usually just plain laquer thinner or paint thinner
    will take of f the very fine stuff that will be left...


  3. #3
    Moderator & Master Plumber hj's Avatar
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    Default tub

    The enamel is extremely tough stuff as long as you do not use acid or scratch it.

  4. #4
    DIY Junior Member SuperDaddy's Avatar
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    Also, sometimes the real thin areas can just be rubbed off with your fingers. Start rolling your fingertip over top of the film and it should lift and peel up off of the tub.

  5. #5
    Network Engineer rmelo99's Avatar
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    All off! I bought some laquer thinner and a small bottle of silicone disolver at the Big Orange Store.

    I have a nice shiny tub that looks like new. Found out the tub is a Kohler.

  6. #6
    DIY Senior Member taysan's Avatar
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    How did the silicone remover work out for you? Was it DAP Silicone-be-Gone? I picked up a bottle to clean up a bit of excess silicone from my fiberglass Kohler shower, but haven't used it yet.

    BTW - I for one would love to see pics of that shower contraption if you have any!

  7. #7
    Network Engineer rmelo99's Avatar
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    I'll look at the bottle later on an report back, here is a pic. I'll try and find a better one.
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    Network Engineer rmelo99's Avatar
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    Here is post silicone removal...i will follow up with more after pics.
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  9. #9
    Network Engineer rmelo99's Avatar
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    Just wanted to post back the name of the product I used was Mostenbockers Lift-Off 411-45


    http://www.shop.com/Motsenbocker_Lif...o!.shtml?trk=1

  10. #10

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    I'm glad it worked out okay.

    I've found that a 5 in 1 scraper/glazier knife works best for scraping old caulk. Razor knifes tend to dig in and can scratch the finish.The blades also break fairly quickly when the caulk is hard.
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  11. #11
    Network Engineer rmelo99's Avatar
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    That was the scraper I used in my removal. I tried using the razor blade but ended up creating little nicks in the enamel since it is so sharp.

    When it gets to the final small amounts a scouring 3m green/yellow type of sponge finished off the job.

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