How to Sand Corian Countertops

Updated April 17, 2017

DuPont describes its Corian countertops as providing a "renewable" surface. Indeed if you have dropped a hard object like a glass or a Dutch oven that leaves a minor scratch or abrasion, repairing your Corian countertop takes little time or effort. By doing some light sanding or using some mild abrasive liquid cleaner, the blemishes disappear in 15 minutes or less, and your countertop regains the appearance it had on the day it was installed.

Clean the countertop area that you want to repair with a sponge dampened with warm water. Put a 180- or 220-grit fine sandpaper on a sanding block when dealing with cuts and scratches on matt or satin Corian finish. Use 400-grit sandpaper on semigloss or high-gloss surfaces.

Sand lightly in a circular fashion until the blemishes are gone. Wipe away the dust with a damp sponge. Apply a mild liquid abrasive cleaner over a slightly larger area, blending the sanded area with the rest of your countertop.

Use a low-speed polisher to rub in white polishing compound on high-gloss surfaces. Complete the repair by putting a clean wool pad on your polisher and applying a countertop wax to the surface.


For deeper cuts or burns, you may need to contact the professional who installed your countertop to complete the repair.

Things You'll Need

  • Sponge
  • Sanding block
  • 180-grit sandpaper
  • 220-grit sandpaper
  • 400-grit sandpaper
  • Green Scotch-Brite pad
  • Mild abrasive cleaning liquid
  • Electric low-speed polisher
  • White polishing compound
  • Countertop wax
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About the Author

David McKinney is a newspaper reporter. He was born in Mattoon, Ill., and graduated Eastern Illinois University with a journalism degree. Since 1995, he has covered Illinois state government, including the rise of Barack Obama and the rise and fall of Rod Blagojevich.