How To Repair Large Cracks In Concrete Garage Floor

With a small paintbrush coat the crack surface with concrete bonding adhesive.

How to repair large cracks in concrete garage floor.

Then i filled the deep cracks with cheap fine. Garage floor repair usually involves fixing cracks or patching pitted and scaled areas on the surface. The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. 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.

With the right materials and tools fixing a crack in your garage floor is something you can do yourself. Mix a suitable amount of sand mix with water as instructed on the bag. Allow the adhesive to dry completely. In the video below i ll show you how we repair garage floors that have a crack in them.

How to repair wide concrete cracks. Before we get into specifics on how repair cracks in garage flooring let s go over a few examples of when you ll want to call in a professional for help instead of taking the diy route. Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder. Fix the crack in your concrete garage or basement floor yourself by following these step by step directions.

Be sure to wear eye protection. Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage. With a cold chisel and large hammer undercut the edges of the crack.