Old 01-25-2010, 08:27 AM
  #2  
nanjemoycat
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The last one I did was 1/2" pex type pipe that was layed directly to the reinforcement wire 12" apart and zipped tyed every 12" to the wire. As the concrete is poured your finisher pulls the wire to the middle of the slab. The zones are up to you and how you want to maintain different temps in different areas.
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