How to repair wide concrete cracks chisel the crack with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from.
How to fill large cracks in concrete floor.
After hurricane harvey took out a big tree in my driveway and caused some serious cracks i made a time lapse video of fixing them this is not a how too t.
Use a vacuum cleaner or soft brush after you ve cleaned out larger particles with a wire brush.
If the crack is wet let it dry or use a hair dryer.
Clean the crack of all debris dirt particles of concrete or pebbles.
Feather the edges to get the best appearance.
Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder.
Concrete surfaces cannot be repaired with concrete.
Choose your concrete repair product.
If grease oil or dirt remains.
Remove all debris from the crack using a wire brush.
Vacuum the crack to remove all of the dust and debris.
This will help hold the patch in place.
First use a small hammer and chisel in combination to knock away any.
With a small paintbrush coat the crack.
Then i filled the deep cracks with cheap fine grain sand to make sure it was full all.
Pour concrete resurfacing mixture into the crack and smooth it out with a rubber floor squeegee.
Then fill the remainder of the groove and smooth it over.
Sweep away any loose debris then vacuum the crack.
With a cold chisel and large hammer undercut the edges of the crack.
Apply duct tape along both sides of the entire crack and apply an epoxy based resin into the crack.
Instead use a concrete.
Fill the crack entirely with the resin.
Add water to the resurfacer mix to get the consistency of pancake batter for the concrete crack filler.
Dry the crack thoroughly.
Remove all water and.
Prepare the cracked area for patching.
Directions with a wire brush clean the crack.