If the cultured marble surface still isn t smooth and shiny try wet sanding with 1 000 grit wet dry sandpaper also available at auto supply stores followed by buffing with rubbing and polishing compounds to remove any scratches from the sandpaper.
Buffing compound for cultured marble.
Apply a tablespoon of paste wax to the area of the marble counter or sink that had been buffed with the rubbing compound.
If your cultured marble still has stains or shows damage you can polish it with a buffing compound and then again with a polishing compound.
Cultured tops are made of polyester resin with a clear topcoat called the gel coat.
Here s how to make your cultured marble countertop looks its best.
The buffing process should continue until the countertop or sink shines.
Then rinse and wipe down the surface.
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Don t try buffing compound or wet sanding on natural marble because it is more easily damaged.
Finally apply one more coat of polishing compound let it haze and buff it off.
Watch the full video here.
Mist the surface with water before using one thousand grit sandpaper to wet sand any scratched areas.
Buff the paste wax into the cultured marble.
Step 5 remove deeper damage.
Can i use automotive rubbing compound to polish up a cultured marble bathroom countertop.
This diy project shows how we saved all the cultured marble countertops in our project house by polishing polishing polishing.
Not up for remodel.
If you have one a motorized automotive buffer is a great option for this final buffing.
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This is the same material that s used with fiberglass and it buffs out beautifully.
With a little elbow grease.
If neither of these products works cultured marble can be wet sanded using 1 000 grit wet dry sandpaper.
If polishing compound doesn t do the trick buff with rubbing compound followed by polishing compound to remove any scratches left by the rubbing compound.
Removing the faucet makes it easier to buff the top.