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Thread: Hairline cracks in grout between coping sections

  1. Back To Top    #1

    Join Date
    Jul 2016

    Hairline cracks in grout between coping sections

    This will be my first time posting after registering, so be gentle.
    My pool is 32 years old, is 10 x 40', inground, originally with a plaster finish which has subsequently been painted.
    The problem I need help with is the hairline cracks that are between the coping sections. Is there a clear sealant that can be applied to forestall grinding out the old grout and reapplying? I am not referring to any cracking between the coping and the tiles underneath.
    Inground pool: 10 x 40', approx. 12,000 gals., painted. Originally a sylvan pool. 32 years old. Use 3" chlorine tabs. DT filter.

  2. Back To Top    #2

    Join Date
    Apr 2013
    Sacramento, CA

    Re: Hairline cracks in grout between coping sections

    Welcome to tfp. !!

    If they are hairline cracks then pool putty generally works best. It can be messy to apply so pratice somewhere else. You can order from Inyo pools online.

    Pictures of your pool and problem area would be great. The stuff between the coping sections is mortar, not grout, if it's seriously failing it should be replaced
    22k gallon IG pebblefina, Jandy 1.5 HP VS, Jandy CV Cartridge filter, Fafco solar panels, Polaris 360 supply side cleaner, waterfall

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