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The Ghost in The Machine The Ghost in The Machine is offline
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Default Fixing Crack in Poured Concrete Foundation

On May 13, 8:06*pm, wrote:
On Fri, 13 May 2011 10:24:19 -0700 (PDT), harry
wrote:





On May 12, 10:54*pm, "Ultraglide"
wrote:
I have a crack in my poured concrete foundation that I want to fix. *I
searched the net but many of the suggestions were for an interior repair.
The basement is finished at that point and I don't want to tear everything
oug. *I went to my local builders' supply to see if they had any advice.
They suggested I go to HD. *The guy there suggested I chisel out the crack,
parge with hydrostatic cement and apply a blue coating (I forget the name).
Nothing was said about a membrane. *Any suggestions?


You don't say how old the building is. *If new, this could be a major
problem.
As someone has said you need to glue a glass telltale overt he crack &
leave for a few months. *Some cracks are affected by weather
(ie,wetness of the ground, or frost esp.clay soils)


If still moving (ie the glass breaks) *you are f**d. *You will just
have to leave things and see how bad it gets. *Make sure walls are not
likely to fall down etc.
If the glass remains intact after a year it's prob. OK & you can just
cement it up.


I don't know of any repairs to fractured concrete. It has broken
because it's too thin/weak or insufficient rebar.


As someone else said, no tiles, flexible or non attached floors only.


*How did we get from foundation to floor - or are we in the habit of
tiling basement walls??


THAT's RIGHT IT ISNT AN ORDINARY FLOOR & WALL.
STAPLES ARE A THOUGHT....SOME WEIGHT BRACES SHOULD DO IF THERE IS A
RECURRING CRACK.
THERE ARE SO MANY REASONS A FOUNDATION OR FLOOR CAN GO
WRONG...UNLEVEL, PRESSURE POINTED OR SLANTED GROUNDS MAY BE A
DETERMINING FACTOR...BUT I HOPE YOU DO HAVE A "BRACED" REBAR MESH IN/
UNDER THAT FLOOR.....IF NOT...I WOULD MOVE OUT..DEMOLISH AND
REBUILD....OR ....KEEP FILING IN THE CRACK EVERY COUPLE OF YEARS UNTIL
THE FREAKING FOUNDATION SETTLES........IF IT SETTLES BEFORE CRACKING
YOUR WHOLE BUILDING IN HALF.
IF NOT...THAT's TOO BAD ;-(
TGITM
PAT ECUM