At this point your crack may require a second visit from the filler for any areas that aren t filled in level.
How to repair large cracks in concrete garage floor.
At this point your crack may require a second visit from the filler for any areas that aren t filled in level.
If your concrete is the same height on both sides of the crack you can fix it yourself.
If the cement dries too quickly it risks cracking again so sprinkle the area with a few drops of water every day until the surface is perfect.
After applying your epoxy or polyurethane filler into the crack give it a few minutes to settle and allow for low spots to set in.
Continue in this fashion until you have chased the entire crack.
Firmly hit it with a large hammer or small hand held sledge hammer.
If desired clean the crack with a pressure washer or a garden hose and spray nozzle.
This is a two part kit consisting of epoxy and sand.
One of the best garage floor crack repair epoxy kits is rust oleum s epoxyshield concrete patch repair.
Let the repaired area dry a little then cover it with a plastic sheet or tarpaulin.
In the video below i ll show you how we repair garage floors that have a crack in them.
Remove all debris from the crack using a wire brush.
Concrete cracks are caused by sideways expansion poor drainage conditions or settling soil beneath the concrete.
With the right materials and tools fixing a crack in your garage floor is something you can do yourself.
The chisel will break away any loose material as you hit it with the hammer.
Chisel the crack with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from the old concrete.
Garage floor repair usually involves fixing cracks or patching pitted and scaled areas on the surface.
For bigger cracks you can use either an epoxy kit or a polymerized concrete mixture.
Now you can apply sand to the top and allow the filler to cure and harden for about 20 mins.
Epoxyshield has a good reputation and is easy to use.
Now you can apply sand to the top and allow the filler to cure and harden for about 20 mins.
Use a shop vac to clean out the loose debris and then scrub the crack well with a stiff wire brush.
Chip out the cracked portion with a maul and cold chisel.