How To Sand Concrete Floor. It is a good idea to divide the floor into a couple of zones. Sand needs to remain damp as well as other material before placement of the concrete.
If you want to build a road, use gravel, but this does not mean you will not have issues. Use sandpaper and a sanding block to abrade your basement's concrete floor. Of 50 kg bag of cement, 0.42 m 3 of sand and 0.83 m 3 of stone aggregate.
Using the coarsest grade of concrete sandpaper, grind or sand the entire surface.
Continue to pass the orbital over the porch concrete to remove all bumps, hairline cracks, imperfections and to smooth the surface of the concrete to your liking. Mix the concrete leveler compound in a bucket with a drill and mixing paddle. Begin by scraping away any cracked, flaking, or peeling paint from the area that you’re refinishing. Fill any holes or dents with a good patching slurry.