Leveling an uneven concrete floor requires a systematic process starting with thorough cleaning to remove all dirt, grease, and loose debris. Next, any cracks, holes, or deep gouges must be patched using a quick-setting concrete repair mortar to prevent liquid leaks. Once the substrate is prepped, a manufacturer-approved primer must be applied uniformly and allowed to dry until tacky to seal pores and ensure maximum bonding. Finally, a self-leveling cementitious underlayment is mixed with water, poured onto the low areas, and guided smoothly across the floor using a gauge rake and smoother until it cures into a flat, level surface.
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