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Thread: Expansion Joint for New Construction

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    Join Date
    Aug 2015
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    Central, NJ
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    Expansion Joint for New Construction

    Hi all,

    I'm currently having a gunite pool built. This week, they're installing a paver deck around the pool. I had them do an expansion joint between the pool's coping and the decking, to play it safe and protect vs. future issues with shifting, losing tiles, etc.

    What is the best practice regarding sealing the joint? Should I immediately seal it? Or should I wait a certain amount of time? I wasn't sure if doing it immediately would be bad (i.e. if I should be letting the decking settle first).

    As far as sealing it goes, I looked around online at various reviews and options and I think I'm going to go with Sikaflex self-leveling polyurethane sealant since it has pretty good reviews and I can get it from the local big chain. Anyone have experience with this? Or does anyone recommend something different?

    Thanks in advance for any advice!
    In-ground 47'x25' free-form gunite pool w/ spa w/ waterfall. 35,380 gallons. 3' to 8' deep. 96 sq ft 6" deep sun shelf. SunStone Select Quartz Finish (Graphite). 2 Hayward skimmers. Jandy DEV60 DE Filter + Pro Series Plus 2HP Pump. Polaris PB4-60 Pressure Cleaner Booster Pump. Raypack P-R406A Heater. EasyTouch 8. IntelliChem w/ Acid Tank. IntelliChlor IC60. Techo-Bloc bullnose coping + Blu 60 mm paver patio. Merlin SmartMesh cover. TF-100.

  2. Back To Top    #2
    Divin Dave's Avatar
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    Oct 2013
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    Re: Expansion Joint for New Construction

    The sikaflex is good stuff. I used it in the control joints I cut in my deck.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

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    Mod Squad pooldv's Avatar
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    Re: Expansion Joint for New Construction

    Seems like my PB waited a few weeks to add the seal.
    TFP Moderator
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Corleone's Avatar
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    Aug 2014
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    Re: Expansion Joint for New Construction

    Sikaflex is great stuff, that's what I used.
    13K Gallon IG Pool/Spa -- First time pool owners -- Completed in 2015 Caribbean Blue Pebble Tec Pentair 4000 Series 47 sq. ft. D.E. Filter Pentair IntelliFlo Variable Speed Pump Pentair SWG Jandy LXi Heater 400,000 BTU S.R. Smith Typhoon Slide Pentair LED 12v Lights Dolphin Nautilus Robotic Cleaner TF-100 Test Kit
    Our Build Thread

  5. Back To Top    #5

    Join Date
    Aug 2015
    Location
    Central, NJ
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    Re: Expansion Joint for New Construction

    Thanks for the comments. I bought the Sikaflex. I'm going to wait a few weeks to do it, just in case any settling needs to happen.
    In-ground 47'x25' free-form gunite pool w/ spa w/ waterfall. 35,380 gallons. 3' to 8' deep. 96 sq ft 6" deep sun shelf. SunStone Select Quartz Finish (Graphite). 2 Hayward skimmers. Jandy DEV60 DE Filter + Pro Series Plus 2HP Pump. Polaris PB4-60 Pressure Cleaner Booster Pump. Raypack P-R406A Heater. EasyTouch 8. IntelliChem w/ Acid Tank. IntelliChlor IC60. Techo-Bloc bullnose coping + Blu 60 mm paver patio. Merlin SmartMesh cover. TF-100.

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