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Re: Radiant heat/conc. floor

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In a message dated 8/28/99 8:40:48 PM, viacalx(--nospam--at)europa.com writes:

>DON'T use a pea-gravel mix even if pumped...

Could you expand on why this is?   Thanks. 

Ralph Hueston Kratz, S.E.
Richmond CA USA