Use special silicone carbide sandpaper in range of grits to slowly work out those imperfections.
Wet sanding marble countertops.
If the marble dries out you could scratch the marble as you re sanding due to the paste made from the marble dust.
If you have dull marble countertops or marble countertops containing small surface scratches sanding the stone to remove imperfections and restore shine is a good.
Before sanding or grinding any marble surface it is important to clean the area thoroughly.
The softness and homogeneity of the stone make it easy to carve but it is the unique property of white marble to allow light to penetrate into the stone resulting in the characteristic live look of marble sculptures which renders it the most preferred material among sculptures and architects around the world.
Rinse and dry the top.
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.
Dirt and dust will compress into the marble further scarring or discoloring the surface.
Sanding marble is a time consuming process.
Marble countertops add a touch of sophistication and style to the room.
As with other types of countertops marble will begin to lose its high shine and luster due to everyday use.
This will keep the marble from drying out.
You ll risk sanding right through the gel coat.
This will require using a wet sanding process to achieve the desired results.
Don t try to remove deep scratches or deep stains.
While this method will work fine for statues tile and marble countertops sanding large areas of marble like marble floors requires a completely different process and technique.
How to effectively polish you marble counter tops to remove dull spots without an orbital polisher.
You can polish the flooring either by dry sanding or wet sanding.
First wet sand with 1 000 grit paper available at auto parts stores to remove small shallow scratches and surface stains.
Keep spraying the marble with water as you sand.