Repair Wide Cracks In Concrete

Fill with a polymer modified cement such as quikrete concrete resurfacer no.

Repair wide cracks in concrete.

Patching compounds typically are mixed with water and applied with a trowel. How to repair wide concrete cracks. This may require a hammer and chisel to break away the pieces. Look for a product with a flexible formulation so it will move with the old concrete and not pull away from it when it freezes and thaws.

Clear out chipped loose or unstable concrete from the repair area. But you have to enlarge the crack photo 1. Then power wash the area and squeegee off the excess water before applying the concrete crack filler. 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.

Our crack was wide and deep so we chiseled out the entire opening and refilled it photos 2 and 3. The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. This will help ensure that the patching material used will not pop out of the crack when the concrete expands and contracts. This helps the repair material to key into the crack creating a mechanical bond in addition to the chemical bond between the patch material and the concrete.

Fix the concrete crack with your selected repair product. Smaller cracks less than 1 4 inch wide can be repaired with a concrete caulk or liquid filler. Many concrete crack fillers sometimes called masonry crack fillers are designed for cracks up to 1 4 inch wide. Wide cracks in concrete are best patched and sealed with a concrete patching compound.

For cracks wider than inch you may want to consider undercutting the crack to make sure that the crack is wider below the surface than at the surface. Best for large cracks. If you see multiple cracks or some very large cracks i d recommend using this particular method to repair them. They have a texture similar to grout and can be smoothed and how to repair wide cracks in concrete read more.

Here you actually want to mix a new batch of concrete and simply fill the cracks with that. To concrete cracks inch wide or narrower apply an epoxy or latex patching product view example on amazon.