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RE: Concrete additives for Pool on roof?

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Lloyd,

I know they have toted as using it as an admixture.  They have also used it
as a surface coating, which might be a more reasonable application.
Additionally, as a surface application at installation, you might get better
results as opposed to using it as a repair for leakage.  It might cost less
as well.  Again, you might want to check into this type of application as
well.

Dave Maynard
Gillette, WY

-----Original Message-----
From: Tarek Mokhtar [mailto:Tarekmokhtar(--nospam--at)earthlink.net] 
Sent: Monday, August 04, 2008 12:52 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: Concrete additives for Pool on roof?

Lloyd,

I do not think increasing the concrete thickness will ever make it
waterproof

Best

Tarek Mokhtar, SE






>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?
>
>Thanks,
>Lloyd
>
>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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