You can use concrete filler and sealer to fill up significant cracks or holes in the concrete floor’s surface. Then, insert the nozzle of the concrete filler into the gaps and compress the filler until the cracks are completely filled. Push the putty into the hole with a trowel and compress it well before letting it dry. When it comes to leveling uneven concrete floors for tile installation, this method is always necessary.
When you have a large hole, use a mortar mix to fill bigger holes in the basement floor. Making your own repair mortar is as easy as mixing one part Portland cement, three parts masonry sand, and just enough water to make a thick paste (though repair mortar mixes are also available). Apply the mortar mix using a mason’s trowel after moistening (but not drenching) the problem spot. As you work, push down hard on the applied substance to remove any trapped air. Finally, level the spot with the surrounding concrete by smoothing it out. Allow it to cure for two hours before covering it with plastic sheeting to keep it wet. Sprinkle water under the plastic every day for a few days, just until the surface has solidified.
To help you achieve an even ground level, identify and label high points and low areas on the ground surface. Move the grinding plate back and forth and sideways to grind any high or uneven regions to the same level.
Using a soft bristle push broom, apply the leveling primer to the surface and smooth it out. Alternatively, you may place the leveling solution paste in the paint tray and apply a thin and uniform coat of primer to the floor surface with a paint roller.
Next is to begin pouring self-leveling compound
Using a drill-mounted paddle, thoroughly mix the concrete leveler until an even leveling compound is achieved. Use the ready-made compound to renovate cracked and uneven concrete floors. Pour and Spread the mixture uniformly across the floor area using a long-handled squeegee. The squeegee will aid in properly spreading and leveling the concrete mixture and preventing pooling. To guarantee a level floor surface, make sure you have access to the room’s corners and edges.
If you mix more than one bag, it may dry up in the middle of the application procedure, preventing you from finishing it. Within 15 to 30 minutes, the mixture may dry and solidify. As you apply the concrete leveler, always have a helper to aid you in mixing it.
After the concrete has dried, you can lay your new flooring material on top of the level concrete. In the early stages of leveling an uneven garage concrete floor, this procedure is also critical. Furthermore, the procedure may aid in the leveling of an uneven concrete floor prior to laminate installation.