Repairing The Cracks In Your Polished Concrete

By: Tom "The DIY Guy" Wesley

You have a beautiful polished concrete floor, a pleasure to walk on, but you notice cracks. You can repair those unsightly cracks without the need to hire expensive repair people. One factor to keep in mind is that repair products will not eliminate the crack, but minimizes the unsightliness of these cracks and prevent further cracking. Major cracking may require the services of professional concrete repair people, but save time and money on the smaller ones by completing the repairs yourself.

Repair starts by cleaning crack areas thoroughly and examining the size and width of your cracks. Once you determine the extent of repair required, you can gather the necessary repair materials. A product such as a good concrete mender is needed for repair. Choose a combination of filler products for the cracks. Suggested materials are glass, flint or silica sand and should be dry and free of other contaminating materials such as dirt.

The challenge in using such a product is to blend the color with sand that will match as close as possible to the concrete color being repaired. You may need to experiment with colors and sand blends to find the color combination that will match the overall color of the polished concrete you’re working with.

Concrete mender requires careful mixing of mending product with filler products, to the proper ratio according to the manufacturer’s instructions. Use a trowel to fill the cracks making sure the repairing material is a bit higher than the actual floor surface. Be extremely careful not to stain the area around the repair with the dye being used for repair.

You need to wait now until the repaired area is completely dry. The drying time will depend on the size of the repair, the temperature of the floor and room. Once the material is dry, you can then hone and polish the area carefully.

For re-polishing area, use a planetary polisher. Use the most coarse sandpaper grit on the repaired surface. Go over the area repaired with overlapping motions but use caution that the focus is on the repaired area. Use a finer grit of sandpaper to polish the repaired area and the overall area to the blended desired sheen. Repairs do not have to be expensive, but careful work is required to ensure your repaired areas blend into the overall beauty of your polished concrete floor.

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