How to Renew a Scratched Countertop
Make cultured marble shine again
IntroductionRenew your bathroom vanity. Make a scratched, dull-looking cultured marble top look shiny again with an auto polisher and special cleaners and polish—and save the cost of replacement.
- Cultured marble polish
- Medium-cut cleaner
Polishing Cultured Marble
I was disappointed by how quickly my cultured marble countertop lost its shine, so one day I took out my auto polisher and went at it. What a difference. Cultured tops are made of polyester resin with a clear topcoat (called the gel coat). This is the same material that’s used with fiberglass and it buffs out beautifully. Removing the faucet makes it easier to buff the top.
Project step-by-step (3)
Remove Surface Scratches
First, wet-sand with 1,000-grit paper (available at auto parts stores) to remove small, shallow scratches and surface stains. Don't try to remove deep scratches or deep stains. You'll risk sanding right through the gel coat. Rinse and dry the top.
Protect New Finish
Finally, protect the restored finish with a coat of cultured marble polish (available at home centers and bath specialty stores). Follow the label directions.
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