Best Way To Sand Concrete Countertops

Dampen the concrete surface.

Best way to sand concrete countertops.

Best for building concrete countertops. Repeat this step. Some hand polishers attach to a. Use z grit discs to smooth and polish your countertops or to round any sharp jagged corners.

The concrete mixing ratio would be 3 parts sand 2 parts aggregate and 2 parts cement. Host a backyard barbecue plate up poolside hors d oeuvres or pour your guests a cold one you can do it all and more with a. I sanded the concrete countertops using my rotary sander and regular sanding discs from home depot. Metal bond cup wheels and lower grit pads are the fastest for exposing aggregates but leave the roughest surface.

Wipe off the surface. The water helps cool the pads down and also keeps dust to a minimum. I started with 60 grit and then moved to 100 grit then 150 grit and finally 220 grit. Normally polishing is accomplished using a variable speed concrete polisher with a set of diamond sanding discs.

Our z grit discs are made out of a high quality silicon carbide sand paper that will hold up on the toughest sanding surfaces. Sand the concrete countertops. 50 grit to 200 grit resin pads will do the best job of honing. Do not let water collect in the air voids.

The polisher is usually water fed and is attached to a normal garden spout. Go over the surface again. Concrete countertop solutions has a solution for you. There are a few different looks you can achieve when you polish a concrete countertop.

You will also need wet diamond polishing pads from 50 grit to 3000 grit depending on the look you are trying to achieve. If you want to experiment with your own countertop mixture you can try some gray or white portland cement with some fine sand add some 3 8 inch stone for extra strength or if you want to expose the aggregate when polishing the surface. For the edges i used regular sandpaper and sanded those by hand. Z grit disc comes in 6 different grits 60 80 120 220 320 and 400.

You will need an orbital hand held sander or a hand polisher. Switch to a 100 grit pad on the polisher. Mist or spray water onto the concrete with a spray bottle. Using densifiers around the 200 grit to 400 grit steps will help improve the cement paste s hardness.

Spread the grout paste onto the entire surface of the slightly damp concrete.