With the occasion of last storm I noticed a bit of water in a corner of the
basement, not much though. My house has an addition and the water
infiltrated through cracks in the foundation at the junction line between
the new concrete floor and the old concrete wall. The addition was
inspected by town officials but apparently they did not notice the poor
junction between the old and new walls. I can’t dig from outside because
the old wall is underneath the garage. So I tried repairing it from the
inside. I dug all the loose cement, cleaned the area, plugged the holes and
cracks with hydraulic cement, and then I poured a border of 4”x4” of
self-bonding cement along that junction line. Would this be sufficient to
keep the water from infiltrating again? Is there a structural concern here?
Any advice would be appreciated.
It is a poured or block wall? Is the basement wall pushing-bowing inward? If so, then it IS a structural concern. If not, then it Still could be in the future, would be dependant upon how the wall was backfilled-what kind of soil was used as backfill(clay,sand,gravel etc),if the builder backfilled with chunks of concrete,or anywhere a footing for a porch/addition etc is up against the outside of a basement wall...where its possible the concrete footing might lean/move,just a tad,and push against the outside of any wall and crack/push bsmt wall.As always,Pics would help.
A crack(s) in a wall which is the garage side is NOT a problem. Lets say a homeowner has 1 vertical crack in a wall under the garage floor, then to hand-dig & fix this problem area,all that is needed is to saw-cut approx. 6' linear feet of the garage floor x 18-24"(inches) in width(away from the wall). Removing an entire slab + of the G floor is Not needed.
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