There are four main methods at your disposal which you can use to fix cracks in concrete.
Filling wide cracks in concrete.
Before you apply the new filler break up any old.
However for cracks wider than inch quick setting cement based fillers are advisable to use.
For this project you ll need.
These include using simple concrete glue filling the crack with more concrete using expanding foam and even starting from scratch.
Choose your concrete repair product.
For cracks up to 1 2 inch wide in horizontal concrete surfaces concrete crack sealants and caulk based concrete fillers will be the best option.
How to fix cracks in concrete.
Patching compounds typically are mixed with water and applied with a trowel.
Many concrete crack fillers sometimes called masonry crack fillers are designed for cracks up to 1 4 inch wide.
First use a small hammer and chisel in combination to knock away any.
Wide cracks in concrete are best patched and sealed with a concrete patching compound.
Now you can move onto the actual methods of fixing a crack in the concrete.
Prepare the cracked area for patching.
Choose your concrete repair product.
This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps.
Filling small cracks in concrete keeps them from turning into big holes.
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.
Instead use a concrete.
Smaller cracks less than 1 4 inch wide can be repaired with a concrete caulk or liquid filler.