Age or a poor flooring installation can lead to a garage floor replacement or repair.
Ewpairing a garage floor slab.
The cost of resurfacer for a two car garage is typically less than 200.
The cost of that procedure is not worth just trying to save the slab.
Erosion and other factors contribute to the garage floor degradation and settlement of concrete s solid base which is supporting it.
A sinking slab also known as sinking concrete is always worth fixing whether it s located in your basement garage driveway or patio.
Cleaning and resurfacing the floor usually takes one day on the other hand clearing out your garage so you can work may take weeks.
But it is still cheaper than demolishing and re building your garage.
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.
A simple crack in a concrete slab isn t necessarily a problem.
And you would tear that out relevel the floor compress it pack it properly and pour a new slab.
When to replace your garage floor.
Building codes used to stipulate that the floor of an attached garage be four inches lower than the floor level of the house.
Today s residential building code does not include this requirement.
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.
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.
Remember that you should not saw cut the slab or core holes in it for safety reasons.
However many times simply repairing the concrete is more cost effective than replacement.
A garage floor replacement may be needed simply due to its age.
Temperature shifts put stress on your concrete garage floor especially in northern climates.
You ll also need to buy or rent some special tools so expect your total cost to be about 300 for this how to resurface concrete project.
Concrete garage floor settlement will typically happen over time if placed on top of poor or non compacted base preparation.
You cannot do this yourself and it is expensive.
Another red flag is a floor slab that has shifted.
You cannot do this yourself and it is expensive.