This is easily repaired by injecting silica sand and a compound for floor crack repair into the garage floor crack.
Repair cracks in my garage floor.
Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder.
With a wire brush clean the crack.
You can tell if cracks in your garage floor are serious if they have an opening that measures 1 8 inch or more in width and or if one side of the crack is higher than the other.
Another reason for cracks on the floor of your garage is an improperly placed expansion joint.
If grease oil or dirt remains in or near the crack clean it thoroughly.
Check for stains sealers and wax as these will inhibit adhesion of your chosen material.
Here s a look at some of the most common reasons for cracks in garage floors.
Sometimes you ll fill in the crack and that s that like when it s caused by a one time shift in the ground around your garage.
Then i filled the deep cracks with cheap fine grain sand to make sure it was full all.
Repairing small cracks to repair a small crack in a cement garage floor use regular cement.
As with repairing garage floor cracks you will need to make sure the damaged area is clean.
In the second example the fix is more of a band aid.
With a cold chisel and large hammer undercut the edges of the crack.
Mix the powder with water to form a paste about the same consistency as toothpaste.
Epoxyshield has a good reputation and is easy to use.
Othertimes the crack will continue getting worse and worse until a structural issue is addressed.
One of the best garage floor crack repair epoxy kits is rust oleum s epoxyshield concrete patch repair.
Apply this to the crack with a putty knife and smooth the surface off to be level with the rest of the floor.
If you think the floor is done moving you can repair those cracks and the shrinkage cracks with a material you inject into the crack and add silica sand for a filler.
In the first example you fix it and you re done.
Sweep away any loose debris then vacuum the crack.
This will weld the crack together creating an excellent garage floor.
Chip away at loose concrete and brush off the debris.
Follow up with a vacuum to make sure the area is dust free.
For bigger cracks you can use either an epoxy kit or a polymerized concrete mixture.
This mostly happens during the thawing and freezing cycles of the months of winter.