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frame floor radiant detaining

Royboy2 Member Posts: 16
Anyone care to weigh in on preferred detailing for under sub-floor hydronic radiant ystems? I've done numerous systems but all in slabs to date. I generally use cross-linked poly tubing with an oxygen barrier and would like use this in a frame floor system. Wondering about just clipping the tubing to subfloor with insulation below it in the joist cavity. Are the snap on aluminum fins desirable? Cost effective? Worth making on site from flashing?

Any thoughts about this or other approaches appreciated as well as any pointers towards good system design resources online ...

thanks - Royboy
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