Polished Concrete Floor Polishing Process Skills

2022-04-14

Polished concrete floors are fast becoming one of people's favorite floors. Polished concrete floor refers to the concrete surface formed after the concrete is gradually polished by grinding tools and combined with chemical hardeners.

Constructors use chemical hardeners to penetrate the naturally poured concrete to strengthen its surface strength and density, and improve its flatness and reflectivity through mechanical grinding and polishing, so that the concrete floor has both performance and special decorative effects.This is why most retail, warehouses and offices choose polished concrete floors.

Let me share with you the polishing process of polished concrete floor:

Coarse Grinding

The process begins with the use of coarse gold tree grinding discs bonded in a metal matrix. This part is rough enough to remove small pits, blemishes, smudges, or light-colored coatings from the floor, resulting in a smooth finish.

Depending on the condition of the concrete, this initial rough grinding usually requires a three- to four-step grinding process.

Fine Grinding

This process is the fine grinding of the concrete surface using resin abrasive discs embedded in a plastic or resin matrix. The builders use finer and finer polishing discs to grind until the floor reaches the desired gloss. For very high gloss, a 1500 mesh or finer abrasive can be used at the end.

Experienced polishers know when to switch to the next finer mesh by looking at the floor surface and the amount of material removed.

Polished

During polishing, use an internal dip sealant. The sealant that seeps into the concrete is barely visible to the naked eye. Not only does it protect the concrete from the inside out, but it hardens concrete and increases its density. This eliminates the need for topical paint coatings and also greatly reduces maintenance.

If the polish is applied to the surface during the final polishing stage, it will make the floor shinier. These polishes also help remove residue left on the surface during polishing, creating a stain-resistant surface.

You can sand the concrete wet or dry. While each method has its advantages, dry polishing is currently the most commonly used method in the industry because it is faster, more convenient, and more environmentally friendly.

At present, many construction teams use a combination of dry and wet polishing methods. Dry polishing is used for the initial grinding step, after more concrete has been removed. When surfaces become smooth and builders switch from metal discs to finer resin discs, they often change to wet polishing.

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