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Painting "poured concrete"(?) wall in basement

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Painting "poured concrete"(?) wall in basement BETAC-T 08-28-2007
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Posted by BETAC-T on August 28, 2007, 3:11 pm
I bought a house that has a large, fairly high, basement. The walls look
like solid vertical slabs each about 2 feet wide with a vertical cement seam
line between them. I can't really tell if they were solid slabs that were
dropped into place, or if the walls were made by making a form and pouring
in concrete. In some of the vertical seam lines, at the same level on each
seam, I can see where a small chip of concrete has broken off the wall and I
can see a piece of metal about 3/4-inch high that looks like it is the end
of a metal strip that goes horizontally through the wall. At just one of
those chip/metal locations below grade level, a very small amount of water
comes through after heavy rainstorms. The rest of the wall seems to be
completely dry. I patched the one leak from the inside with a little DryLok
cement and so far the leak is gone.

My question is, if I wanted to paint the basement walls, is there some
particular type of paint I should use? I have heard of DryLok paint, but I
don't know if I should use something like that. The walls are dry, but I
just wondered if something like DryLok paint would still be a good idea in
terms of sealing the walls to help prevent any future moisture from coming
in.

Thanks.



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Posted by RickH on August 28, 2007, 4:19 pm
> I bought a house that has a large, fairly high, basement. The walls look
> like solid vertical slabs each about 2 feet wide with a vertical cement seam
> line between them. I can't really tell if they were solid slabs that were
> dropped into place, or if the walls were made by making a form and pouring
> in concrete. In some of the vertical seam lines, at the same level on each
> seam, I can see where a small chip of concrete has broken off the wall and I
> can see a piece of metal about 3/4-inch high that looks like it is the end
> of a metal strip that goes horizontally through the wall. At just one of
> those chip/metal locations below grade level, a very small amount of water
> comes through after heavy rainstorms. The rest of the wall seems to be
> completely dry. I patched the one leak from the inside with a little DryLok
> cement and so far the leak is gone.
>
> My question is, if I wanted to paint the basement walls, is there some
> particular type of paint I should use? I have heard of DryLok paint, but I
> don't know if I should use something like that. The walls are dry, but I
> just wondered if something like DryLok paint would still be a good idea in
> terms of sealing the walls to help prevent any future moisture from coming
> in.
>
> Thanks.

I used 3 coats of the latex-based DryLoc on mine before I remodeled
the basement. It's bone dry, but I had no seepage whatsoever prior, I
just dry-locked it to not have any chance of musty humidity odors. It
might hold your seepage for a year or so, but if you have seepage now
it will be back someday dry-locked or not. Small seepage like this is
easily fixed with an injection that a basement waterproofing
contractor can make from the outside. And that is the proper thing to
do first. But I highly recommend using dry-lock before putting up
walls in any basement remodel.



Posted by Art on August 28, 2007, 5:33 pm
You have a poured concrete basement. The metal strips hold the 2 sides of
the form together while the concrete is poured in.

Don't even think about painting your basement until you resolve your water
seepage problem.


>I bought a house that has a large, fairly high, basement. The walls look
>like solid vertical slabs each about 2 feet wide with a vertical cement
>seam line between them. I can't really tell if they were solid slabs that
>were dropped into place, or if the walls were made by making a form and
>pouring in concrete. In some of the vertical seam lines, at the same level
>on each seam, I can see where a small chip of concrete has broken off the
>wall and I can see a piece of metal about 3/4-inch high that looks like it
>is the end of a metal strip that goes horizontally through the wall. At
>just one of those chip/metal locations below grade level, a very small
>amount of water comes through after heavy rainstorms. The rest of the wall
>seems to be completely dry. I patched the one leak from the inside with a
>little DryLok cement and so far the leak is gone.
>
> My question is, if I wanted to paint the basement walls, is there some
> particular type of paint I should use? I have heard of DryLok paint, but
> I don't know if I should use something like that. The walls are dry, but
> I just wondered if something like DryLok paint would still be a good idea
> in terms of sealing the walls to help prevent any future moisture from
> coming in.
>
> Thanks.
>



Posted by BETAC-T on August 29, 2007, 11:25 am
> You have a poured concrete basement. The metal strips hold the 2 sides of
> the form together while the concrete is poured in.

Thanks. I wasn't sure about that, so that really helps. After reading
this, I did some Google searching based on what you wrote and found a lot
more info, pictures, etc. -- including info and pictures about those metal
"form ties".

> Don't even think about painting your basement until you resolve your water
> seepage problem.

I won't be doing anything until I am sure any water seepage issues are
resolved.



Posted by Art on August 29, 2007, 7:49 pm
if you use the group or news or usenet page of google (whatever they call it
now) you can search this group for clear instructions on waterproofing a
basement. The easy stuff is making sure the lot is sloped away from the
house. Also use drainpipes for you gutters. The hard thing is to put in a
french drain around the outside of your house. You have to dig to the top
of your footer, install perforated pipe, and then surround the pipe with
gravel up to about 1 foot of the surface. The gravel should be surrounded
by special fabric so mud doesn't seep into the gravel and pipe.


>> You have a poured concrete basement. The metal strips hold the 2 sides
>> of the form together while the concrete is poured in.
>
> Thanks. I wasn't sure about that, so that really helps. After reading
> this, I did some Google searching based on what you wrote and found a lot
> more info, pictures, etc. -- including info and pictures about those metal
> "form ties".
>
>> Don't even think about painting your basement until you resolve your
>> water seepage problem.
>
> I won't be doing anything until I am sure any water seepage issues are
> resolved.
>



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