Choose your concrete repair product.
How to fix cracked cement floor.
Sweep away any loose debris then vacuum the crack.
If you don t want to use a diamond grinder.
Make another pass with the caulk gun if the first bead didn t fill the entire crack.
Instead use a concrete.
Concrete surfaces cannot be repaired with concrete.
Directions with a wire brush clean the crack.
To use the concrete filler cut the nozzle off the bottle and slowly fill the cracks image 1.
Run a bead of epoxy concrete repair compound along the crack.
Scrape off most of the excess repair material after about 10 minutes using the putty knife.
Then after another 10 minutes use the concrete rubbing stone or the palm sander to smoothen the repair material even.
With a cold chisel and large hammer undercut the edges of the crack.
Load a cartridge of liquid concrete repair compound into the cradle of a caulk gun.
Prepare the cracked area for patching.
Pour concrete resurfacing mixture into the crack and smooth it out with a rubber floor squeegee.
Feather the edges to get the best appearance.
If grease oil or dirt remains.
This will help hold the patch in place.
Snip about 1 8 in 0 32 cm off of the tip then run a continuous bead of compound along the crack.
Add water to the resurfacer mix to get the consistency of pancake batter for the concrete crack filler.
With a small paintbrush coat the crack.
If you re using mixed concrete patch mix according to the manufacturer s direction and then trowel the patch into the crack image 2.
First use a small hammer and chisel in combination to knock away any.