Repair Large Cracks In Garage Floor

Be sure to wear eye protection.

Repair large cracks in garage floor.

When a garage floor is first poured the concrete begins to harden contractors say cure and when this process takes place the concrete shrinks a little. Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage. How to do it. This ensures that the surface of your garage floor is smooth again.

This is easily repaired by injecting silica sand and a compound for floor crack repair into the garage floor crack. There is little point repairing the crack if the floor is going to open up again in a couple of months time. Using a diamond blade on your circular saw cut a 1 2 in deep groove along each side of the crack. You ll also need to buy or rent some special tools so expect your total cost to be about 300 for this how to resurface concrete project.

This will help hold the patch in place. Another reason for cracks on the floor of your garage is an improperly placed expansion joint. A 20 foot square of freshly poured concrete will shrink about a 1 8 of an inch in each direction. The cost of resurfacer for a two car garage is typically less than 200.

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. With the right materials and tools fixing a crack in your garage floor is something you can do yourself. With a small paintbrush coat the crack surface with concrete bonding adhesive. If grease oil or dirt remains in or near the crack clean it thoroughly.

Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder. Use a wire brush a hammer and cold chisel or an angle grinder with a crack chasing wheel to loosen and break off nearby concrete. Sweep away any loose debris then vacuum the crack. How do you fix garage floor cracks.

Before attempting the repair job consider the underlying cause of the crack to prevent future damage. New homes cracks that occur in the first few months or years. Then i filled the deep cracks with cheap fine. Preparation and repair tools and methods depend on the crack width and quantity of cracks.

With a cold chisel and large hammer undercut the edges of the crack. Fill the crack with epoxy based concrete crack filler. Fix the crack in your concrete garage or basement floor yourself by following these step by step directions. Cut small grooves on both sides of the concrete.

Vacuum away all concrete debris. Cleaning and resurfacing the floor usually takes one day on the other hand clearing out your garage so you can work may take weeks. 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.