Dampen a piece of 400 grit sandpaper and beginning again at one end evenly sand the entire cultured marble vanity surface as you did before.
Wet sanding cultured marble.
Before sanding or grinding any marble surface it is important to clean the area thoroughly.
Cultured tops are made of polyester resin with a clear topcoat called the gel coat.
This will require using a wet sanding process to achieve the desired results.
Change your damp pieces of sandpaper as required.
Sanding marble is a time consuming process.
Keep the sanding even level and straight.
With a little elbow grease.
Dirt and dust will compress into the marble further scarring or discoloring the surface.
This diy project shows how we saved all the cultured marble countertops in our project house by polishing polishing polishing.
Wipe your vanity surface again with a clean soft cloth.
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.