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Polished concrete is done by using abrasives to refine the surface of the concrete, just like how marble and other stones are polished. Concrete has its challenges when polishing because unlike other stones, concrete is always different because it is a man made item. The concrete can be softer or harder which will determine what grit abrasive to start off with.   
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405 N. St. Mary’s St., Suite 242  San Antonio, TX 78240 Phone: (210) 422-6116 Email: mvlconcrete@yahoo.com 
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MVL Concrete’s Services
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How We Polish Concrete

When we polish concrete we will start off by grinding the concrete to produce an even texture. This might be done by starting with 20 grit metals if the concrete needs a lot of work or hybrids if the concrete if in very good condition.
After the initial grinding, we will move onto the next phase which is to use resin polishing pads. We will usually begin with a 200 grit resin polishing pad and move on to the next grit which is the 400 grit. This is considered the honing process. After the 400 grit we will apply a densifier to the surface before polishing.
Once the densifier has dried we will move on to the next grit which will be the 800 grit. This is when the floor will take on a shine. This is a popular grit to stop at; although, you can go on to the 1500 and 3000 grit if you the polished floor to shine more.
The last step would be to seal the polished concrete floor. There are two types of sealers for polished concrete. One is a penetrating sealer that does not leave a film on the surface and the other is a guard that will leave a small film on the surface. We prefer to use the penetrating type of sealer, this will not enhance the shine to the floor that will wear away in the future.

Grinding Steps

Honing Steps

Polishing Steps

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Sealing Polished Concrete

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