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have a 16x14 3 season room i am converting to a dining room. The room is off the back of house, have a heating issue. Exposed 3 walls, on footings elevated some 2 feet from ground. I am looking to heat with hydronic heat.

The subfloor is level with deck. I need to build it up 1" at least for code. I was looking at Warmboard. But that will be too expensive. Someone suggested I pour a 1" concrete slab over existing subfloor to 1. build up to code and 2. would tubing suspend tubing in the concrete, negating the need for aluminum reflectors. Footings are 8' apart, everything is level(for now) existing sub in good condition.

Is this feasible, or am I asking for trouble here?

Thanks for your input here!

-Jim
 

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jpullen said:
...pour a 1" concrete slab over existing subfloor [and] suspend tubing in the concrete, negating the need for aluminum reflectors.
I think that embedding tubing in a slab that's only 1" thick is asking for probelms.
 

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JIm have you looked into any of floor heating systems like NU Heat or Warmly yours? We did something nearly identical to what you're describing for a client last year with the Warmly Yours system and the customer absolutely loves it.
 
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