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Technical Guides
Grinding and Leveling for Concrete Floor Polishing
Aug 14 , 2023

Grinding and leveling are crucial steps in the process of concrete floor polishing. These steps ensure that the surface is properly prepared, smooth, and ready for the polishing process.


Surface Preparation:

Before starting the grinding and leveling process, it's important to prepare the concrete surface. This involves removing any existing coatings, adhesives, or sealers from the floor. The surface should be thoroughly cleaned to remove dirt, dust, and debris.


Assessing the Floor Condition:

Next, you need to assess the condition of the concrete floor. Determine if there are any cracks, uneven areas, or imperfections that need to be addressed during the grinding and leveling process. This assessment will help you plan the appropriate grinding approach and select the right grinding tools and abrasives.


Floor Grinding:

Floor grinding involves the use of specialized grinding machines equipped with diamond abrasive pads or segments. These machines grind the concrete surface to remove any unevenness, imperfections, or coatings. The grinding process also opens up the concrete pores, allowing for better penetration of densifiers and sealers in later stages.


grinding tools


Coarse grinding: Initially, a coarse diamond grinding tool is used to remove thicker layers of concrete and level uneven areas. This step helps in removing blemishes, stains, and surface contaminants.

Fine grinding: After the initial grinding, finer diamond tools are used to refine the surface further. This step smoothens out the concrete and prepares it for the polishing process.


Floor Leveling:

Leveling the concrete floor is an essential step to ensure a flat and even surface. This is particularly important for achieving a uniform polished finish. Depending on the floor condition, different methods can be used for leveling


Concrete Floor Polishing:
Once the grinding and leveling process is complete, the concrete floor is ready for polishing. This involves progressively finer diamond grits to refine the surface and achieve the desired level of shine and smoothness. The polishing process typically involves multiple passes with different diamond abrasives until the desired finish is achieved.


It's important to note that the grinding, leveling, and polishing process for concrete floors can be labor-intensive and requires experience and expertise. Hiring a professional concrete polishing contractor is recommended to ensure high-quality results and minimize the risk of damage to the floor. Proper grinding and leveling lay the foundation for a successful concrete floor polishing project, resulting in a beautiful, durable, and long-lasting polished concrete floor.

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