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Thread: Rust on IG steel walls

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    Join Date
    Apr 2013

    Rust on IG steel walls

    Hello Everyone. First time posting, so I hope I selected the correct forum.

    I am having my liner replaced. When the old liner was removed, rust around the skimmer was revealed. I am horrified and worried. I attached a photo which shows the rust and a section that has been eroded.

    Has anyone also made this discovery in their own pool? What solutions worked best for you?

    Here are the options I think I have:

    1. Use cold-clad paint to help reduce the spread of the rust. After properly preparing the surface of course.
    2. Have the pool installers purchase and install a new wall over the existing wall (called a skin) and put foam padding over that to protect the liner. Not cheap
    3. Have the pool installers purchase and install aluminum flashing over the existing wall and put foam padding over that to protect the liner.
    4. Replace the entire section of wall. This is not really an option because it is extremely expensive (need to jack hammer the concrete, etc.)

    I appreciate input or ideas. Thank you -Rachel
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    35,000 gallons
    Hybrid DE/Sand filter
    Installed in 2001
    Salt Generator

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    In the Industry

    Join Date
    Nov 2011

    Re: Rust on IG steel walls

    Put 3/16 wall foam over the walls put the liner in and enjoy
    Over 30 years in the pool business
    We build vinyl, fiberglass, stainless steel pools
    Certified in Hydraulics

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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Rust on IG steel walls

    First, it looks like the gasket leaked, so if you seal the leak this time, that would be the primary repair.

    I like your idea #1 in addition to the proper gasket seal.

    I can't tell if it's possible but could you cut out that rusted metal and fill in with epoxy (like bondo)?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    DaneCE's Avatar
    Join Date
    Jul 2011

    Re: Rust on IG steel walls

    A couple years ago I replaced my liner. After removing the old liner I discovered many dozen small rust holes (1/8" or less) within the bottom foot or so around the entire perimeter of my 15' x 30" IG. I cleaned the areas then spray painted as a primer then sealed the holes with NP-1 caulking. I then painted the entire wall with Rust-Oleum. I then installed 26 guage G90 galvanized sheet metal around the entire perimeter 2 feet high. I sealed the top edge of the G90 to the existing and then painted the G90 with Rust-Oleum. Wall foam was installed before the new liner. Over-kill? Possibly.

    If that is the only area that has rust, I would fasten a large patch over the area before the wall foam but I'm not a pro pool repair guy.

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