Most of them fall somewhere in between once they start to become noticeable and attract enough attention to have a homeowner looking for solutions.
Mortar cracks above garage door.
The usual culprit is the steel that supports the masonry above these openings.
There must be an allowance at each end of the lintel for the expansion of the metal as it gets warmer.
Cracks in the mortar above garage doors are common and often the lintel sags in the middle.
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When the metal expands it is pressing against the brick and mortar at each end causing pressure at the weakest point.
Fixing sagging lintel and cracks above the garage.
3 steel expansion cracks another common crack occurs at the upper corners of doorways garage doors windows or any opening.
Longhorn brick and masonry repair.
In time the bricks over the garage door can crack due to water pressure or heavy impact.
Before the damage gets even worse make sure to repair the crack as soon as possible.
The original cause of a sagging lintel and cracks is generally poor design.
While major settling will require foundation repair to correct the problem before repairing the brick most cases are minor settlement and can be easily repaired by removing the damaged mortar and bricks and replacing them.
The two most common causes of cracks above the garage door are foundation settling or sagging of the lintel.
Learn how this happens and how to fix the sagging lintel and mortar cracks.
Step 1 determine the cause of the crack.