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Old 05-08-16, 02:48 PM   #3
AC_Hacker
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Quote:
Originally Posted by nibs View Post
...piping and sand to just cover the pex heat pipe...
Curious why you would want to cover the PEX with dry sand? Compared to concrete, dry sand is not such a good conductor of heat.

Look it up in the Engineers Handbook

-AC_Hacker
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