How To Repair Large Cracks In Concrete Garage Floor

Be sure to wear eye protection.

How to repair large cracks in concrete garage floor. In the video below i ll show you how we repair garage floors that have a crack in them. With a cold chisel and large hammer undercut the edges of the crack. 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. Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder.

Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage. Using a diamond blade on your circular saw cut a 1 2 in deep groove along each side of the crack. The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. How to repair wide concrete cracks.

Mix a suitable amount of sand mix with water as instructed on the bag. Fix the crack in your concrete garage or basement floor yourself by following these step by step directions. Garage floor repair usually involves fixing cracks or patching pitted and scaled areas on the surface. Getting a professional to fix these types of cracks early can lead to less long term damage and the sooner you get it sorted out the better.

Allow the adhesive to dry completely. This will help hold the patch in place. With a small paintbrush coat the crack surface with concrete bonding adhesive.