Remember that you should not saw cut the slab or core holes in it for safety reasons.
Ewpairing a garage floor slab.
However if you find that the floor has seriously cracked or crumbled the cracks are likely to reoccur even after being patched up.
Garage floor surfaces should provide approximately 20 25 years of use.
That slab will break up very very easily surprisingly easily with a jackhammer or even a sledgehammer frankly.
A sinking cracked concrete slab can be a symptom of a more serious problem.
The cost of that procedure is not worth just trying to save the slab.
Old habits die hard.
A simple crack in a concrete slab isn t necessarily a problem.
You cannot do this yourself and it is expensive.
Another red flag is a floor slab that has shifted.
If a garage has a post tension slab there is usually either a sign stamped in the concrete floor saying it is a post tension slab or a plastic sign on the garage wall stating it s a post tension slab.
Temperature shifts put stress on your concrete garage floor especially in northern climates.
But it is still cheaper than demolishing and re building your garage.
Erosion and other factors contribute to the garage floor degradation and settlement of concrete s solid base which is supporting it.
When to replace your garage floor.
Slab jacking is one method that can correct the tilt of an entire concrete slab floor.
The rationale for requiring this little step was that it would prevent spilled gasoline gasoline vapors and carbon monoxide from getting inside the house.
The cost of resurfacer for a two car garage is typically less than 200.
Cleaning and resurfacing the floor usually takes one day on the other hand clearing out your garage so you can work may take weeks.
Today s residential building code does not include this requirement.
You cannot do this yourself and it is expensive.
You may be tempted to try a repair for the concrete of your garage floor possibly even a diy fix using a coating such as epoxy.
And you would tear that out relevel the floor compress it pack it properly and pour a new slab.
Age or a poor flooring installation can lead to a garage floor replacement or repair.
A sinking slab also known as sinking concrete is always worth fixing whether it s located in your basement garage driveway or patio.
Concrete garage floor settlement will typically happen over time if placed on top of poor or non compacted base preparation.
However many times simply repairing the concrete is more cost effective than replacement.