Jeff writes:


Leaks really aren't a problem in underfloor staple up systems. The
runs tend to be in one piece for each room.

I believe the better underfloor systems use not "rubber" hoses but
PEX (cross linked polyethelene with oxygen barriers) with heat spreaders.

Actually, the better installations I've seen have 2 interleaved runs
for a room. The idea is: if in fact one leaks, the other still handles
the room...
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