Repair Wide Cracks In Concrete

Patching compounds typically are mixed with water and applied with a trowel.

Repair wide cracks in concrete.

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. 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.

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

Our crack was wide and deep so we chiseled out the entire opening and refilled it photos 2 and 3. Taking on a large concrete crack repair project can be somewhat daunting if you re not well prepared. This will help ensure that the patching material used will not pop out of the crack when the concrete expands and contracts. Best for large cracks.

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. However for cracks wider than inch quick setting cement based fillers are advisable to use. Then power wash the area and squeegee off the excess water before applying the concrete crack filler. To concrete cracks inch wide or narrower apply an epoxy or latex patching product view example on amazon.

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. A job well done takes time so make sure you follow the necessary repair steps closely. 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. Fix the concrete crack with your selected repair product.

The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. But you have to enlarge the crack photo 1.