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Thread: Will Flagstone sealer stop erosion?

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    Will Flagstone sealer stop erosion?

    Anyone have experience with sealer on flagstone, and if it will stop or slow the sand coming off the flagstone? If so, what sealer did you use?
    GM

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    Join Date
    Jun 2007
    Location
    NC
    Posts
    255

    Re: Will Flagstone sealer stop erosion?

    Quote Originally Posted by gm
    Anyone have experience with sealer on flagstone, and if it will stop or slow the sand coming off the flagstone? If so, what sealer did you use?
    The only sealer that I've seen used on flagstone was polyeurothane (sp?). It was very shiny, meaning very slick when it was wet; not good for a pool deck. My personal experience was stripping the old 'scarred' finish, applying the new finish, then slipping on it after a rain !

    Is the material actual particles of the flagstone that have been broken due to water and possible freezing or is it the motar from the joints?
    I would think that any sealer would have to be pretty thick to stop 'sand' from coming off of it, but...
    Triad Region of NC
    18x37 Vinyl IG (24,000 gal.), BBB & GoldLine AquaLogic PS4 SWG, Hayward 1 HP Superpump / Hayward Sand Filter / Polaris 280 cleaner / 6 deck jets / Sheer Descent Waterfall (in coping) / Brick Red Concrete Coping / Stamped Concrete Deck
    Lots of oak trees, maple trees, *and* leaves!

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    Re: Will Flagstone sealer stop erosion?

    Definitely sand. It comes off when I rub the surface.
    GM

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    Join Date
    Apr 2008
    Location
    Central Texas
    Posts
    326

    Re: Will Flagstone sealer stop erosion?

    Do you have a salt water chlorine generation system by chance? I've heard of problems in this area with the salt water dissolving limestone rocks. But I don't know of a good way to seal the surface without creating the slippery surface mentioned above.
    26,000 Gallon Gunnite IGP
    2 HP Challenger High Head Pump
    60sf Nautilus DE filter
    Polaris 280

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