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Sunboard

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Sukhoi29SU
Sukhoi29SU Member Posts: 83
in Radiant Heating
Is this standard for ends of each piece of sunboard?  I have about 1600sf of silver sunboard.  I was a bit surprised to see that under each bend , the only thing that will be under the pex is the bottom of the OSB. 

I ended up going with sunboard Silver based on what I’ve read, despite Jim - the owner? , saying that the silver wasn’t worth the extra cost.  I’m starting to think maybe he was correct.  

Hoping this works out ok.  Most of my pex for this project is suspended in concrete slabs, but I plan on sunboard for about 1600sf of tiled floors 

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  • Sukhoi29SU
    Sukhoi29SU Member Posts: 83
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  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,002
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    Same thing was true on the Ecowarm board I used two years ago, but it's working per spec's.
    8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

    Two btu per sq ft for degree difference for a slab

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