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    holbycat's Avatar
    holbycat Posts: 1, Reputation: 1
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    #1

    Sep 28, 2007, 02:18 PM
    Concrete Slab over Slab
    I have a house built on a concrete slab. I would like to add radiant heating to the ground floor and want to encase the PEX tubing in a new layer of concrete on top of the existing slab.

    If I use 7/8 PEX, how thick do I need to pour the new slab?

    Also what kind of concrete specifications do I need to give the concrete vendor to ensure that the slabs adhere to one another and work for the radiant heat system?
    nmwirez's Avatar
    nmwirez Posts: 453, Reputation: 20
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    #2

    Sep 29, 2007, 09:24 AM
    Why even bother with adding mortar or concrete. You already have a slab base for adding NU-Floor heating vinyl flooring for a radiant heating system. Check it out on the internet. Nm
    matchbox's Avatar
    matchbox Posts: 2, Reputation: 1
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    #3

    Sep 29, 2007, 10:37 AM
    I have to move power from one pole to another and I want 400 amp service, the box going from pole to the garage then to the house with 200 amp in each building the garage is detached
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