How To Repair Large Cracks In Concrete Garage Floor

With the right materials and tools fixing a crack in your garage floor is something you can do yourself.

How to repair large cracks in concrete garage floor.

Mix a suitable amount of sand mix with water as instructed on the bag. Using a diamond blade on your circular saw cut a 1 2 in deep groove along each side of the crack. Then i filled the deep cracks with cheap fine. Be sure to wear eye protection.

The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. Garage floor repair usually involves fixing cracks or patching pitted and scaled areas on the surface. With a small paintbrush coat the crack surface with concrete bonding adhesive. Fix the crack in your concrete garage or basement floor yourself by following these step by step directions.

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. In the video below i ll show you how we repair garage floors that have a crack in them. 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. Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage.

This will help hold the patch in place. Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder. With a cold chisel and large hammer undercut the edges of the crack.