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Thread: Chiseled crack

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    Chiseled crack

    I had a hairline crack in new gunite floor (about 4 ft long). PB chiseled it out to see how deep it was. Fortunately it was only superficial. My question is, what would be the correct way to refill it before pebble tech. Do I ask PB to patch it with hydraulic cement? with elastipoxy? cold joint gunite? Here is a picture of the chisel crack.
    Attached Images Attached Images
    37'x25', 28000gal, in-ground gunite peeblesheen pool.
    All Hayward equipment:
    525 cartridge filter, tristar filter pump 2HP, 400k H-series heater, 2 skimmers, chlorinator rainbow 320 w ozanation system and colorlogic led lights.
    Test kit Taylor 2006C

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    Re: Chiseled crack

    other thing that worries me is that for some reason the crack is getting wet at the bottom part near the water line that has accumulated at the deep end of the pool. It was a sunny day today and crack dried but the bottom part got wet/humid again. why?
    37'x25', 28000gal, in-ground gunite peeblesheen pool.
    All Hayward equipment:
    525 cartridge filter, tristar filter pump 2HP, 400k H-series heater, 2 skimmers, chlorinator rainbow 320 w ozanation system and colorlogic led lights.
    Test kit Taylor 2006C

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    Re: Chiseled crack

    full pic
    Attached Images Attached Images
    37'x25', 28000gal, in-ground gunite peeblesheen pool.
    All Hayward equipment:
    525 cartridge filter, tristar filter pump 2HP, 400k H-series heater, 2 skimmers, chlorinator rainbow 320 w ozanation system and colorlogic led lights.
    Test kit Taylor 2006C

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    Re: Chiseled crack

    I would listen to what the PB says on how to fill the crack. If you don't like the answer, post back.

    Don't worry about the crack being wet. Osmosis alone will draw the water upwards along the crack.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Chiseled crack

    PB says that pebble tech will fill it and cover it. I'm a new pool owner, don't know how strong pebble tech will adhere to a crack like this and if pebble tech finish will crack later. Or if the crack shape will show over the pebble tech finish.
    Anybody out there with a similar situation??
    does pebble tech will do the job? or I need to ask PB to fill it first with hydraulic cement? the crack is 1/2 inch deep by couple inches wide, does hydraulic cement will adhere strong to a crack of this size?.
    sorry, too many questions.
    37'x25', 28000gal, in-ground gunite peeblesheen pool.
    All Hayward equipment:
    525 cartridge filter, tristar filter pump 2HP, 400k H-series heater, 2 skimmers, chlorinator rainbow 320 w ozanation system and colorlogic led lights.
    Test kit Taylor 2006C

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    Mod Squad jblizzle's Avatar
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    Re: Chiseled crack

    They used jackhammers to remove the old plaster in my pool so the surface was VERY rough with gouges and bumps everywhere. The pebbleshean just filled it all in and made it smooth. The roughness actually offers a better adhesion I think.

    I would not be too worried.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Chiseled crack

    +1 what jblizzle said
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Join Date
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    Grand Prairie, Texas
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    Re: Chiseled crack

    I had a small crack as well & pebble sheen repaird it while they were out. No problems so far!
    Tracy

    35' X 19' pool (pool depth: 3.5', 5.5', 4'. Perimeter 97) 2 HP Jandy (2 speed)
    Spa 9.6' X 7.4' (10 jets total- 4 on circ, 6 on 2hp booster, 6' cascade spillway to pool). Heater: 400 BTU LXi
    Tanning ledge and benches covered with stone. 2 LED pool lights, 1 LED spa light.
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    30" gas fire pit raised 18".

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    cbink's Avatar
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    Re: Chiseled crack

    When they built my pool they put 'weep' holes in the gunite to allow the hydrostatic pressure to equalize (thus preventing the pool shell from floating). These were just filled with pebbletec (well wetedge actually but same difference). My understanding is that this is the common way to do this and there is no problem with it.
    38'x24' freeform IG gunite, 26k gallons, 3.5' - 7'
    8t Moss rock waterfall with gunite slide
    SWCG, 2 x 2.7hp Hayward Tristar pumps, booster pump, 425 sqft cartridge, 400,000 BTU heater, Polaris Black Max 280, ProLogic PS8 & Aquapod

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