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RE: Concrete additives for Pool on roof?

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Hello, David.

I had heard something similar at a conference, too.  The conctractor
on the project checked into this while I posted my request to this group.
He found out that the cost for the additive is about $60 per yard of concrete.  
I'm weighing this against increasing the amount of cement in the
mix.  I could bump up the cement and make the walls a little thicker for the
same cost of the Xypex.  I'm just wondering which is better.

I appreciate your response and the response of others.  Have any of you
used something where you've been able to see how well it's performed
after installation?


On 4 Aug 2008 at 12:06, David Maynard wrote:

> Lloyd,
> At a conference a couple of years ago, I went to a presentation on
> Xypex. It was originally marketed as a concrete repair product,
> however, I believe their usage has matured to be an admixture.  It's
> an interesting product that "reacts" to water and creates an
> impermiable concrete (or so we were told).  I have yet to use it (so
> this is not an endorsment), however, this could be what you are
> looking for.  You can google them and find some more information.  Let
> me know if I hit your target.
> Sincerely,
> David Maynard
> Gillette, WY
> Disclaimer: I am in no way associated with Xypex or any of its
> distributors. This was not meant to be an advertisement of any sort,
> but rather, a relay of information I was given, as noted above.  I see
> no monetary gain from the mentioning or use of Xypex by myself or
> others.

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