Power wash you do want to remove as much dirt and debris from the crack as humanly possible too.
Best way to repair large cracks in concrete.
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.
Remove all debris from the crack using a wire brush.
Use a brush to smooth and blend the patch material into the existing concrete surface.
Prepare the cracked area for patching.
If you have a lot of cracks you may prefer to use dry concrete mix or concrete patching compound instead.
When using fast setting cement patcher at 1 4 inch sakrete concrete bonder fortifiermust be used.
Cut a chiseling groove.
Put the mix or compound in a large bucket and add water as directed on the label.
If you re using pourable concrete grout only apply inch of grout per application.
Choose your concrete repair product.
Pour the wet mix into the cracks and use the pointed end.
You can either fill the crack with sand leaving inch to the surface of the crack to be filled with the grout or make multiple grout applications that are inch thick allowing adequate time for each application to dry.
Use the finishing trowel to put a neat edge on the side of the repair and remove any excess material from joint areas.
Using a diamond blade on your circular saw cut a 1 2 in deep groove along each side of the crack.
Chip out the cracked portion with a maul and cold chisel.
Choose your concrete repair product.
A mixer paddle attached to a heavy.
Instead use a concrete.
Removing chunks what you never want to do when filling cracks in concrete is to just pour the filler in there.
Preparing the crack step 1.
If desired clean the crack with a pressure washer or a garden.
Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage.