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Thread: Best sealant for Oklahoma Sandstone coping

  1. Back To Top    #1

    Join Date
    Feb 2016
    Location
    McKinney. TX
    Posts
    42

    Best sealant for Oklahoma Sandstone coping

    Pool is now 3 years old and Oklahoma sandstone coping (laminated, fine-grained sandstone that has a tendency to flake) is shedding small pieces and sand onto the steps around the pool. It was sealed (unknown sealant) when constructed, so guessing the sealant has worn out.

    I've been web surfing and find 3 sealants that folks like. Wondering if anyone has more info on durability, longevity, etc. The three are Deck-o-Shield ($145 per gal on Amazon), Miracle 511 ($172 per gal on Amazon) and Stone Tech Salt Water Resistant Sealant ($110 per gal on Amazon).

    I have a SWG so am looking for salt water resistant stuff. Pool is fairly small (80' perimeter) so estimate about 150 sq ft of coverage needed.

    Any/all info appreciated.
    12,000 gallon, in-ground, Lunar Quartz-Bermuda finish. Pentair Intelliflo Pump and Pentair cartridge filer. Polaris 280 pool sweep. Circupool SJ40 SWG.

  2. Back To Top    #2
    JoyfulNoise's Avatar
    Join Date
    May 2015
    Location
    Tucson, AZ
    Posts
    14,093

    Re: Best sealant for Oklahoma Sandstone coping

    DuPont StoneTec and DryTreat 40sk are top-of-the-line penetrating sealants. You don't wat to use sealants that leave a film behind; you want sealant that you mop/sponge on wet and then soak up the excess with a sponge or rag. The point is for the sealant to penetrate and bond, not to cover the stone surface.

    Make sure the stone is properly cleaned first. Most sealer product will recommend removing any efflorescence or staining prior to sealing.


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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