[TowerTalk] Aluminum in concrete

Don Havlicek n8de at thepoint.net
Tue Mar 2 09:14:10 EST 2004

Aluminum and concrete react with each other highly ... you will find 
that corrosive destruction will occur over a period of time.
I suggest you get a couple of stainless steel U-beams [channel] to put 
in the concrete, and use that for the base of your 'fold-over' flagpole.

Doug Lefever wrote:
> Hi,
> I'm homebrewing a foldover aluminum flagpole to hold one end of a dipole. I
> would like to build the tilt base out of aluminum also, and anchor it in
> concrete.
> I'm wondering if there is any reason not to bury the aluminum in the
> concrete. We do it all the time with galvanized and raw steel (rebar), but
> do aluminum and concrete live well together?
> Thanks, K3QS
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