The original cause of a sagging lintel and cracks is generally poor design.
Mortar cracks above garage door.
The usual culprit is the steel that supports the masonry above these openings.
Getting a professional to fix these types of cracks early can lead to less long term damage and the sooner you get it sorted out the better.
3 steel expansion cracks another common crack occurs at the upper corners of doorways garage doors windows or any opening.
There must be an allowance at each end of the lintel for the expansion of the metal as it gets warmer.
Most times the cause is inadequate lintel structure especially on tract homes.
Yet over the years water ice and seasonal expansion and contraction all attack the solid mass of a brick wall at its most elastic and weakest point.
Before the damage gets even worse make sure to repair the crack as soon as possible.
This is due to the daily and seasonal differential movement between the steel and the brick materials which expand at different rates.
In time the bricks over the garage door can crack due to water pressure or heavy impact.
Diagonal cracks above window openings and door openings are common structural defects that show signs of movement which will need to be rectified.
When the metal expands it is pressing against the brick and mortar at each end causing pressure at the weakest point.
I frequently see this kind of crack over wide garage doors.
The two most common causes of cracks above the garage door are foundation settling or sagging of the lintel.
Masonry is over 10 000 years old and in cases like this is being regulated in its structure and repair method by an industry that is only a few hundred years old and a limited branch off from masonry.
This common brick repair project is a result of just a few things.
Before we get into specifics on how repair cracks in garage flooring let s go over a few examples of when you ll want to call in a professional for help instead of taking the diy route.
A lintel structure is installed that would be adequate for lighter siding or single story construction but is completely inadequate for 10 of bricks and mortar stacked on it.
Cracks above window and door openings.
Fixing sagging lintel and cracks above the garage.
Cracks in brick mortar do you have cracks in the brick and mortar above garage doors.
Brick is one of the most prized exteriors for homes because it s attractive and easy to maintain.
To get more details on how this issue happens read the article mortar cracks above garage door.
Diagonal cracking above opening.