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Thread: Pressure wash paint off?

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    Join Date
    Jul 2014
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    Cupertino, CA
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    23

    Pressure wash paint off?

    Hello:

    I am getting ready to get the pool going again after letting it go over the past 6 months due to various issues. I have drained the water and am cleaning out the debris now. I noticed that there are paint flakes coming off the plaster surface. In some places, there are large flakes and bubbles of the paint and there are also paint roller marks that are ugly. Since most people here advise against painting the pool surface, I wanted to know if I can pressure wash the paint off the surface and turn it white. If that does not work, how about applying some paint stripper?

    Thanks!
    ~30,000 gallons, in-ground, plaster, Hayward Pro Grid DE4820, StaRite MPRA6F 1.5HP single speed, ancient (30+ yrs old), TF-100 XL test kit.

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    Mod Squad jblizzle's Avatar
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    Re: Pressure wash paint off?

    You can try the power wash. The best solution would be to have it sand blasted off or even have all the old plaster chipped out and the get some fresh plaster.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Mar 2015
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    Plano, TX
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    Re: Pressure wash paint off?

    If your pressure washer has adjustable pressure, I would start at a lower pressure (maybe 1000psi), and go up from there. The idea is to use just enough pressure to take the paint off, but not cut into the plaster.
    1982 built 15K? gallon IG gunite/plaster, DE filter, Pentair Challenger 1.5HP pump, Polaris 280, Pentair LA01N booster pump, 3-8' with diving board, K-2006 test kit

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    Join Date
    Jul 2014
    Location
    Cupertino, CA
    Posts
    23

    Re: Pressure wash paint off?

    Thanks. I have an electric pressure washer which I am not even sure will hit the 1000 psi mark. I will post some pictures that show the peeling paint as soon as I can. I don't think the previous owner did any acid washes since I don't see any signs of pitting or rough plaster. Will doing an acid wash make it easier to pressure wash the paint off?
    ~30,000 gallons, in-ground, plaster, Hayward Pro Grid DE4820, StaRite MPRA6F 1.5HP single speed, ancient (30+ yrs old), TF-100 XL test kit.

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