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Glen
Glen Member Posts: 855
I just returned from a unplanned reno project - it all started with a few mold issues and has grown into a major rebuild. Older home with both floors utilized, the basement as a music studio. Client now wants to over pour a 2 inch slab - so the question is what product is available to attach the radiant tubing to the existing concrete floor?

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  • Ken_40
    Ken_40 Member Posts: 1,320
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    A 2\" slab on top of existing concrete...

    will require 6" wire/re-enforcement or it will become crack-city IMO.

    It may become crack-city anyhow, but the wire will minimize the potential. I'd also put 1/2" thick foam down as a thermal break or you'll be heating China as well as the basement.

    Use the 6X6 wire to hold the tubing in place, or if you do insulate, a crude twist-tie or zip-tie thru the insulation will hold it while they pour. By piuring slowly, little disturbing will occur. You definitely want to be there when they pour. If something shifts a few inches, no biggy. You just can't have more than a few inches in a few spots of movement or the obvious hot-spot may result. 2" thick concrete is ver forgiving heat-output-wise.

    That's a good thing!

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    Taco

    Dave
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