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Thread: Gap between coping and tile

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    Gap between coping and tile

    I have a small gap between the coping and the tile. The problem being if we have a heavy rain and I don't catch it water goes into that gap under the deck. Over time it can erode under the deck causing it to collapse. My question is can I seal that gap or is it there for a reason
    15k inground oval with spa,plaster, Purex Triton sand filter, Pentair IntelliFlo pump, AquaRite sws, Jandy LRZ heater (used mainly for the spa),Dolphin Nautilus Plus cleaner

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    Re: Gap between coping and tile

    I also have what looks like a foam piece that sticks up between the coping and the deck.


    21,000 gallons, Salt, IG Gunite, Plaster Finish, Free From, Pentair FNS DE cartridge filter, Pentair Intelliflo-VS pump, Intellichlor IC-40, 2 port fountains, bubbler in tanning deck, Dolphin M400, TF-100, K-1766, Speed Stir

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    Re: Gap between coping and tile

    It can also erode behind the wall of the pool itself. Never overfill or allow the pool to be flooded above the waterline tile, it can cause serious structural problems.
    chiefwej
    Tucson, AZ
    16x36 rectangular (19k) Pebble Tec play pool/spa, Pentair Intelliflo VS 011018, Super II 2hp (spa), Aqua Rite T-15 SWG, Pro Grid 60 DE, Hayward H400 & Heliocol Solar heating, A&A infloor system, fill water w/high CH and TA, 50 ppm borates,TF-100 test kit

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    Re: Gap between coping and tile

    I have a small gap between the coping and the tile.
    How big is "small"?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Mod Squad kimkats's Avatar
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    Re: Gap between coping and tile

    A picture may be helpful so we can see what you are looking at. You can use photo bucket to add pics.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Gap between coping and tile

    My neighbor said they are supposed to grout between the coping and tile.


    21,000 gallons, Salt, IG Gunite, Plaster Finish, Free From, Pentair FNS DE cartridge filter, Pentair Intelliflo-VS pump, Intellichlor IC-40, 2 port fountains, bubbler in tanning deck, Dolphin M400, TF-100, K-1766, Speed Stir

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    Re: Gap between coping and tile

    You could try and match the color with caulk that expands better than grout. Like they said don't let your pool over fill.
    15x54 swim & play vinyl metal wall AG
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    Re: Gap between coping and tile

    About 1/8 of an inch
    15k inground oval with spa,plaster, Purex Triton sand filter, Pentair IntelliFlo pump, AquaRite sws, Jandy LRZ heater (used mainly for the spa),Dolphin Nautilus Plus cleaner

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    Re: Gap between coping and tile

    While that is not a very large gap, I would seal it with polyurethane caulk.....readily available at the big box stores.

    You could also likely ignore it as I don't think that's big enough to cause any issues.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Gap between coping and tile

    I think I will try a clear silicone sealer and see how that does. Thanks
    15k inground oval with spa,plaster, Purex Triton sand filter, Pentair IntelliFlo pump, AquaRite sws, Jandy LRZ heater (used mainly for the spa),Dolphin Nautilus Plus cleaner

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    Re: Gap between coping and tile

    Over time, polyurethane in that exterior situation, will outperform silicone by a pretty good margin. Your call.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Gap between coping and tile

    Convinced me will try the polyurethane, Thank you for your help
    15k inground oval with spa,plaster, Purex Triton sand filter, Pentair IntelliFlo pump, AquaRite sws, Jandy LRZ heater (used mainly for the spa),Dolphin Nautilus Plus cleaner

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    Re: Gap between coping and tile

    I forgot this caveat, poly is NOT water soluble so will be harder to work with but it also doesn't have that plastic "gloss" that silicone has.

    Additionally, you can often find poly in a "sanded" version which makes it look pretty close to grout.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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