I am interested in sealing/closing the crack around perimeter of basement
floor where wall meets floor. Crack is hairline and water does seep
through it during heavy rains.

Part of our project will be to redo gutters and downspouts as well as
regrade around building foundation.

House is circa 1920's. Foundation walls and floor are poured. No idea
if there is drainage tile.

Will hydraulic patching compound work? How about a caulk?



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Franz Fripplfrappl

"franz fripplfrappl" wrote in message
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I am interested in sealing/closing the crack around perimeter of basement
floor where wall meets floor. Crack is hairline and water does seep
through it during heavy rains.

Part of our project will be to redo gutters and downspouts as well as
regrade around building foundation.

House is circa 1920's. Foundation walls and floor are poured. No idea
if there is drainage tile.

Will hydraulic patching compound work? How about a caulk?


Use something flexible like caulk. Anyhting you can use for exterior should
work here. If the hydrostatic pressure of the warter behind the wall is
sufficient, it will still find a way to push up the caulk and seep in. If
its not too wet, this should do the job for some time. The other
imprtovements to drainage will hopefully eliminate that anyway.

On May 20, 2:25*pm, franz fripplfrappl wrote:
I am interested in sealing/closing the crack around perimeter of basement
floor where wall meets floor. *Crack is hairline and water does seep
through it during heavy rains.

Part of our project will be to redo gutters and downspouts as well as
regrade around building foundation.

House is circa 1920's. *Foundation walls and floor are poured. *No idea
if there is drainage tile. *

Will hydraulic patching compound work? *How about a caulk? *

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Franz Fripplfrappl

Figuring its old, moldy and dirty it has to be cleaned or nothing will
bond , muriatic acid will clean it, use a plastic broom to apply it
then hose it out, you need alot fresh air and a vapor respirator since
muriatic fumes. Hydraulic cement will work but wear plastic gloves or
you will get lime burn which can last all summer. If you have a sump
pump you should have drainage tile, look inside at the incomming
drain.

you CANT seal out water, might as well install interior french drain,
to end the water problem permanetely.

in such a old home it wasnt original equiptement, and if it had been
added the patched floor would be noticeable.

go ahead and fix gutters downspouts etc, then when it doesnt fix it
100% get the interior french drain, which is faster cheaper and
easier to install than a exterior drain which may not work....