Marble Substrate Sanding

Step 1 fill a large container or bowl with warm water.

Marble substrate sanding.

Although it is a naturally occurring stone marble is a soft substance with a surface that is easily worn down with regular usage. Dirt and scratches can affect marble. Sanding marble is a time consuming and laborious process but with the proper tools and techniques it can bring that dull and unsightly marble countertop back to brand new condition. This will require using a wet sanding process to achieve the desired results.

Use special silicone carbide sandpaper in range of grits to slowly work out those imperfections. Before sanding or grinding any marble surface it is important to clean the area thoroughly. Make sure the dish soap you use does not contain any. Sanding marble is a time consuming process.

Dirt and dust will compress into the marble further scarring or discoloring the surface. An experiment on polishing marble bianco carrara using orbital sander and diamond polishing sheet since orbital sander do not have water feeding structure. 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.