Repair Wide Cracks In Concrete

But you have to enlarge the crack photo 1.

Repair wide cracks in concrete.

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. Many concrete crack fillers sometimes called masonry crack fillers are designed for cracks up to 1 4 inch wide. Here you actually want to mix a new batch of concrete and simply fill the cracks with that. The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape.

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. Best for large cracks. Taking on a large concrete crack repair project can be somewhat daunting if you re not well prepared. Clear out chipped loose or unstable concrete from the repair area.

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. Wide cracks in concrete are best patched and sealed with a concrete patching compound. They have a texture similar to grout and can be smoothed and how to repair wide cracks in concrete read more.

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. 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. Then power wash the area and squeegee off the excess water before applying the concrete crack filler.

A job well done takes time so make sure you follow the necessary repair steps closely. This will help ensure that the patching material used will not pop out of the crack when the concrete expands and contracts. Fill with a polymer modified cement such as quikrete concrete resurfacer no. However for cracks wider than inch quick setting cement based fillers are advisable to use.

To concrete cracks inch wide or narrower apply an epoxy or latex patching product view example on amazon. Patching compounds typically are mixed with water and applied with a trowel.