On Wed, 17 Oct 2001, Eric Murray wrote:
> Nowadays, they use plastic (probably polyethlyne) tubes.
> Old Eichlers in Palo Alto used galvanized pipes, with predictble
> results. Or they uses copper pipes, and failed to protect them from
> the concrete and the lime oxidized them.
I own a house with copper tubing for the radiant heat piping. It was
built in the mid '60's. The only problem I've ever experienced was where
a piece of steel reinforcing mesh/wire touched the pipe, and caused
corrosion.
regards
Martin Scarr
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