Repair Wide Cracks In Concrete

Clear out chipped loose or unstable concrete from the repair area.

Repair wide cracks in concrete.

Many concrete crack fillers sometimes called masonry crack fillers are designed for cracks up to 1 4 inch wide. 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. Fix the concrete crack with your selected repair product. Best for large cracks.

Wide cracks in concrete are best patched and sealed with a concrete patching compound. This may require a hammer and chisel to break away the pieces. Our crack was wide and deep so we chiseled out the entire opening and refilled it photos 2 and 3. A job well done takes time so make sure you follow the necessary repair steps closely.

The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. Then power wash the area and squeegee off the excess water before applying the concrete crack filler. If you see multiple cracks or some very large cracks i d recommend using this particular method to repair them. How to repair wide concrete cracks.

Taking on a large concrete crack repair project can be somewhat daunting if you re not well prepared. But you have to enlarge the crack photo 1. 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. Patching compounds typically are mixed with water and applied with a trowel.

However for cracks wider than inch quick setting cement based fillers are advisable to use. This will help ensure that the patching material used will not pop out of the crack when the concrete expands and contracts. To concrete cracks inch wide or narrower apply an epoxy or latex patching product view example on amazon. 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.

Here you actually want to mix a new batch of concrete and simply fill the cracks with that. Smaller cracks less than 1 4 inch wide can be repaired with a concrete caulk or liquid filler.