Interior cracks in concrete block walls can form for a number of reasons including.
Structural cracks in concrete walls.
When concrete is still in its plastic state before hardening it is full of water.
We explain 6 of the most common types of concrete cracks below.
Call in a structural engineer for an in depth evaluation.
Due to the age and construction designs of these walls they tend to have more cracks and leaks than other walls.
Concrete walls containing horizontal cracks are serious issues.
There s no exact method for determining how serious a wall crack is without hiring an expert to examine the wall but you might be able to.
When that water eventually leaves the slab it leaves behind large voids between the solid particles.
The walls on the outside of your home can crack for many of the same reasons.
That said interior wall cracks often have different causes than exterior wall cracks.
If a vertical crack widens at the top or bottom the wall is either settling or gradually heaving which may present serious issues.
If a crack between the wall and floor exceeds.
Fill it with a caulk suitable for use on concrete.
Several masonry patching products such as hydraulic cement do an adequate job of filling cracks in concrete walls.
Stair step cracks may also signify heaving.
Precast concrete walls are concrete walls built offsite trucked to the building site and then set in place.
Plastic shrinkage concrete cracks.
Repairing a foundation crack of this nature is similar to repairing other non structural cracks.
Sometimes these cracks have a v shape less frequent with the top of the crack looking larger and the crack getting smaller as it travels towards to floor and diminishing or stopping before reaching the bottom of the foundation wall.
Brick stone clay tile these types of walls are often found in historic and older homes.
At vertical cracks in block walls.
These cracks no matter what the width are rarely acceptable.
In general cracks wider than a credit card and running through the depth of the concrete are structural in nature and could be a sign of more serious problems see concrete crack repair evaluation.
Horizontal cracks in concrete walls however indicate poor wall designs or pressure buildup behind the wall.
How to determine if the cracks in walls are serious.
The cracks might indicate a more serious structural problem.