How To Fix Cracked Concrete Garage Floor. Cleaning the area you want to repair. Fill the space once the crack is clean and dry use a concrete patch to fill the space.
Your garage floor may be stained with the typical substances common to spilling on garage floors like oil and grease. Cleaning the area you want to repair. Trying to repair every little crack in a badly cracked and damaged garage floor is not practical would look terrible and just break up again.
Trying to repair every little crack in a badly cracked and damaged garage floor is not practical would look terrible and just break up again.
If this is the case for your garage floor especially near the area of the crack then grab some Trisodium Phosphate TSP a product that can be purchased at. The Solution If your garage floor has a void underneath it slabjacking is the best method for lifting the concrete back into position. Prepare a larger crack using an angle grinder with a crack chasing wheel. In these cases you need to cut out the damaged section with a concrete saw and repack the dirt sand and gravel layer.