Re: building a shop - radiant heat

["Rex Burkheimer - WM" <rex@txol.net>]

Looks to me like this would reduce heat transfer to the slab, unless you
came up with just the right pressure to duplicate the expansion of the
tubing under operating conditions. Even then....

> He also mentioned that the pipe was pressurized during the concrete
> pouring/curing process.  This caused the pipe to expand slightly, and
> provided expansion room for the pipe once the hot water was circulated
> through the system.

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