This "old house"

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Burning Hunk
Nov 19, 2015
I have a question regarding radiant floor via pex. 90% of my flooring is 5 quarter, or thinker in the original section of home. A couple floors have regular oak and chestnut hard wood flooring, of 3/4 thickness, on top. Is that to much for pex with the extruded aluminum plates to heat? If so I would have to turn to CI rads. I'm wanting the floor heat for some space savings. Not a huge fan of BB heating. Pex radiant wall heating isn't an option. All but the living room has been insulated and rocked with 5/8s. I have enough work cut out for me without redoing existing work from previous HO.

TIA for replies.