Sandpaper is designed for use with wood or metal, not concrete.

Sanding concrete slab. How to sand concrete floor by hand preparation for sanding. Once the surface of the concrete wall is free of protruding chunks and fairly flat, you can start to sand. Apply a chemical hardener to densify the concrete.

Build and set the concrete slab form. Make your patching slurry by following the instructions on the. Add water (1.75 litres of clean water per bag of concrete mix) to.

Clean your sanded concrete thoroughly to prepare it for sealing. Allow the resin to dry before resuming the sanding operation. Before you start sanding your concrete floor, you must prepare the surface.

After than change to an 80 to 120 grit sandpaper for more. Now that you’ve smoothed the larger part of the surface area, you’ll notice that you’ll be left with an untouched section of concrete around the perimeter zone. To achieve a perfect finish and a smooth concrete surface, you must follow the proper concrete sanding process.

Now you must apply an even coat of concrete sealer. First, brush or vacuum away dry dust and debris. To start sanding on the floor, you need to arrange all the tools that you need to complete the.

Not only does it limit you to the types of tools that can be used to apply an epoxy coating, but it will. An orbital sander is the correct equipment to use when sanding concrete. Dust and rinse the concrete after your final sand.