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in floor staple up hydronic system

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Robert Gould
Robert Gould Member Posts: 3
in THE MAIN WALL
I've placed pex tubing in my new basement slab and was about to start the staple up job in the joist bays for heating the first floor. I now discovered tar paper in my 1908 house between the fir floor and the 3/4" subfloor. I have read in Dan's book that this would not be a good idea because of the smell that would be created by the heat. Is this a hard and fast rule? What can I do for an alternative? Also, I didn't place o2 barrier pex in the slab because I was going to use an open gas fired stainless steel system. What are my alternative boiler options? Thanks, Rob

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  • Robert Gould
    Robert Gould Member Posts: 3
    staple up job

    I've placed pex tubing in my new basement slab and was about to start the staple up job in the joist bays for heating the first floor. I now discovered tar paper in my 1908 house between the fir floor and the 3/4" subfloor. I have read in Dan's book that this would not be a good idea because of the smell that would be created by the heat. Is this a hard and fast rule? What can I do for an alternative? Also, I did'nt place o2 barrier pex in the slab because I was going to use an open gas fired stainless steel system. What are my alternative boiler options? Thanks, Rob
  • Jeff Lawrence_25
    Jeff Lawrence_25 Member Posts: 746
    non-Barrier?

    If you didn't use Barrier PEX in the slab you can either use a copper fin tube boiler or a mod-con with all non-ferrous circulators.

    As far as the tar paper, you may not have a problem. Some people have said it's not a problem.

    Where'd you get the PEX and who did the design?
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