Flaking Concrete repair

Posted by on June 4, 2007, 12:32 am

I have inherited a large (6' x 8' x 10') water tank built in 1969
located in a very remote location.I am experiencing considerable
flaking of the concrete primarily on the interior and in select sites
on the exterior. Can anyone offer any suggestions as to how to go
about repairing this problem. I am not the least bit concerned about
appearance but am very concerned about the effects any repairs may
impart upon my water supply.

Posted by s c r o o g e on June 4, 2007, 1:42 am

i think "quick-crete" makes a cement for "re-plastering" a
water tank...if not that company, hopefully some others
will supply you with a different company...all old stuff
should be cleaned off, and some primer applied, then
re-coat it with the new cement...

>I have inherited a large (6' x 8' x 10') water tank built in 1969
> located in a very remote location.I am experiencing considerable
> flaking of the concrete primarily on the interior and in select sites
> on the exterior. Can anyone offer any suggestions as to how to go
> about repairing this problem. I am not the least bit concerned about
> appearance but am very concerned about the effects any repairs may
> impart upon my water supply.
>

Posted by Bob Morrison on June 4, 2007, 11:29 am

In a previous post tonto1@telus.net wrote...

> I have inherited a large (6' x 8' x 10') water tank built in 1969
> located in a very remote location.I am experiencing considerable
> flaking of the concrete primarily on the interior and in select sites
> on the exterior. Can anyone offer any suggestions as to how to go
> about repairing this problem. I am not the least bit concerned about
> appearance but am very concerned about the effects any repairs may
> impart upon my water supply.
>
>

Sounds like the tank was never given a proper water seal coat. You will
want something that bonds chemically with the concrete or perhaps an epoxy
paint.

--
Bob Morrison, PE, SE
R L Morrison Engineering Co
Structural & Civil Engineering
Poulsbo WA
bob at rlmorrisonengr dot com

Posted by aaron on June 5, 2007, 5:51 am

tonto1@telus.net wrote:

> flaking of the concrete

does this mean spalling?

Posted by Tom Cular on June 5, 2007, 8:40 pm

Two companies that may be helpful furnishing the products you are looking
for are: Fox Industries in the Baltimore region
http://www.foxind.com/index.htm

and Sika USA http://www.sikaconstruction.com/ contact either or both and
ask for tech support. My experience with both companies over the past 30
yrs. has been on the positive side.

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