Wednesday, January 28, 2009

Nails in Concrete Polishing

By Rick Amorey

My friend, under the impression that I'm a concrete polishing guru, invited me to his place a few weeks back to gauge his concrete floor. He wanted to know if it was fit for polishing. His nightmare for a floor turned out to be quite disastrous to my eyes. Thankfully, I was able to get my contractor to have a look. He said that, while dreadful, the floor still had a chance to be something special.

I recently went back to his place again, eager to see the progress on the floor. What I saw blew me away, and strengthened my astonishment for concrete polishing even further.

Before the renovation, there were various cracks brought about by the genius who decided to nail a carpet to the concrete flooring. The contractor, however, said that it was easy to fix. Unfortunately, the fix will remain visible. Instead, he thought, why not use the cracks as guidelines for a new design?

They decided to prepare the surface first using coarse grinding. Now, I have a limited understanding of how concrete polishing works, but I think I can explain. Basically, concrete polishing involves a batch of diamond tooling. The first few passages are meant for coarse grinding, and here they use low grits of diamonds. They do this to add design to the concrete.

Using the crack lines as a guide, he divided the floor into irregular, but artistic sections. Each section was then colored with a different dye, which he applied before going to the higher grits meant for the actual polishing. he said that this was necessary to lock the colors into the concrete.

As I've noted before, the end result was astonishing. Like mine, which sported a coffee-colored hue, my friend's home now has colored, polished concrete. His floor, however, was a combination of favorably-colored hues. Now my friend keeps on bragging at how better his floor is when compared to mine. Go figure. - 16738

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