If your concrete is the same height on both sides of the crack, you can fix it yourself. Narrow cracks can be deep, often extending through the entire thickness of the concrete slab. Using a diamond blade on your circular saw, cut a 1/2-in.-deep groove along each side of the crack. Remove all debris from the crack, using a wire brush. Fill the crack up to the surrounding concrete surface. You can read our full disclaimer, Your email address will not be published. Smaller cracks, less than 1/4 inch wide, can be repaired with a concrete caulk or liquid filler. 1131. Garage Floor Resurfacing: Fix a Pitted Garage Floor. For hairline cracks, applying repair caulk or crack filler over the cracks usually is not effective, as the caulk tends to peel off of the surface over time. Feather the edges to get the best appearance. of the original height. Mix the powder with water to form a paste (about the same consistency as toothpaste). Paint or seal the surface of the patch and surrounding area, if desired. Wear an N-95 respirator and turn on a fan to blow the concrete dust out of the garage. Fix the crack in your concrete garage or basement floor yourself by following these step-by-step directions. Establish a solid base for the resurfacer by filling the opening with concrete and letting it dry (see Photo 3). Home House & Components Rooms Basement. Patch Stucco With Wire Lath and Quick-Set Mix, Hydraulic or Water-Stop Cement Can Be Very Useful in Some Applications, Making Concrete Subfloors Suitable as a Finished Flooring Surface, Builders' Tips on How to Prevent and Repair Spalled Concrete, How to Repair Concrete Using Epoxy Products, Essentials for Applying Epoxy Flooring Over Concrete, Here Are Some Professional Recommendations on How to Caulk, How to Prep, Mix Mortar, Layout, Grout and Install Floor Tiles, Essentials Tools for a Concrete Contractor, Crows Feet, Stomp Brush, Slap Brush Texture for Drywall, Step-By-Step Instructions How to Build a Concrete Block Wall, The Benefits and Applications of Micro-Topping for Old Concrete Repair, Here Are Tips on How to Remove and Prevent Concrete Efflorescence, What to Avoid in Basement Waterproofing and Tips on Doing It Properly, The Balance Small Business is part of the. However, epoxy contracted before it was completely cured. Hiding the patch completely requires painting the surface with an appropriate concrete paint. These cookies do not store any personal information. First, begin by identifying the type and cause of the cracks. It is mandatory to procure user consent prior to running these cookies on your website. Therefore, it's a good idea to start the repair by stuffing foam backer rod into the crack to create a base to hold the repair material. Let it set up for a few days, then fill with resurfacer. You also have the option to opt-out of these cookies. Add water to the resurfacer mix to get the consistency of pancake batter for the concrete crack filler. This will help the Epoxy coating to properly cure and not bubble or peel with time. Using a diamond blade on your circular saw, cut a 1/2-in.-deep groove along each side of the crack. Very small cracks, such as hairline cracks, can be repaired using a vinyl concrete patching compound applied over the crack and then smoothed with a putty knife or trowel.

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