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Thread: Rebar or mesh?

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    Join Date
    Sep 2015
    Roseville, Ca

    Rebar or mesh?

    I have a freeform pool install underway; they did deck forming
    the other day. Concrete pour next week.
    No rebar; they use mesh. I am installing 480 square feet perimeter.
    It extends 5ft out in most areas from water line but 6ft in one area
    near the middle.
    Do I want or need rebar and is it worth the extra cost to me?
    It was not stipulated in the contract.
    thank you
    TomCa - IG, gunite, Freeform, 30 x 17, raised beam wall w/ledgestone and flagstone cap, 3ft spill, radiant fusion blue frost, 480sqft concrete decking. SWG filtration, 2 returns, 1 skimmer. 2" & 2.5"PVC . JEP15 Jandy ePump 1.5hp Variable Speed, AquaLink PDA P4 Pool Control , SAVI-MELODY100-J Nexxus 14W 12V Pool Light X 2, J Series, Polaris - 360 Cleaner, Model F1B.

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Rebar or mesh?

    What does your PB say? He has to warrant the structure so I would get his opinion.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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  3. Back To Top    #3
    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    DFW, TX

    Re: Rebar or mesh?

    Is your question about the deck or the pool? Pool should have rebar and mesh is fine for the deck. Definitely inquire with your PB with any concerns.
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    TFP Guide

    Join Date
    Jul 2015
    Central Valley CA

    Re: Rebar or mesh?

    If I recall correctly even mesh for decking should be bonded though. If I recall correctly any concrete within 3ft of the pool that has metal reinforcing of any type has to be bonded. I am not a contractor though I would check with the city before the pour to be safe.
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    JoyfulNoise's Avatar
    Join Date
    May 2015
    Tucson, AZ

    Rebar or mesh?

    The choice between rebar and mesh comes down to cost and load requirements. Obviously a concrete pool shell needs to handle a significant load from the hydrostatic pressure of the water in the pool. Therefore you use the correct size rebar and pay for proper forming and installation.

    A pool deck, in comparison, sees minimal loading and therefore does not really need the added reinforcement from rebar. However, you want to minimize cracking that will occur from thermal expansion and/or soil shifting. So prefabricated steel mesh is a cheap alternative that adds sufficient stress to the concrete to keep it from cracking. Using rebar would be a very expensive alternative and far beyond the necessary mechanical requirements of the deck.

    And yes, any metal mesh within 3 feet of the pool shell should be bonded to the pool structure.

    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

  6. Back To Top    #6

    Join Date
    Jun 2011
    Long Beach, CA

    Re: Rebar or mesh?

    Mesh should be fine for the deck. Rebar and/or mesh do not prevent cracks in the cement, they help to keep the cracks to a minimum. They might add fiber to the cement as another strengthener to the cement. Make sure they install the mesh so it will be centered in the cement and that it is bonded to the pool structure.
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