How to Remove Scratches From Slate Countertops

Written by marshal m. rosenthal
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The material that composes a slate countertop is vulnerable to scratches if you drag sharp objects across the surface. To remove the scratch, use sandpaper to sand the scratch level with the rest of the surface. You'll need a countertop sealant to protect the surface; sealants and sandpaper are available at hardware stores.

Skill level:

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Things you need

  • Clean rags
  • #00 sandpaper
  • Countertop sealant
  • #00-model brush

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  1. 1

    Moisten a clean rag in tap water. Wipe the area of the countertop that has the scratch with the rag. Dry the area with a dry rag.

  2. 2

    Place the sandpaper against the left side of the scratch. Press down on the sandpaper as you pull it across the scratch. Lift the sandpaper off the countertop when you reach the right side of the scratch.

  3. 3

    Repeat this procedure with the sandpaper until you can no longer see the scratch.

  4. 4

    Wipe the countertop with the rag. Dry the area with a dry rag.

  5. 5

    Apply countertop sealant to the model brush. Apply the brush to the area that had the scratch. Let the countertop dry for the rest of the day.

Tips and warnings

  • Do not breathe in the countertop sealant as the fumes can cause headaches.

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