Grinding is an expedient way of removing high spots and other imperfections such as surface stains and contour marks. 1 Cover any doorways or windows that lead to other living areas, as grinding concrete creates a lot of dust, even with the use of a vacuum hose.
The conventional way of removing high spots in concrete is by means of grinding/concrete planes. However, this type of equipment can be expensive to rent and will require many passes to remove high spots. When the high spots are excessive, 12 mm plus, a fast effective approach can be adopted.
Grinding concrete down to (post #206269, reply #20 of 22) by stellawinslet in reply to JohnWalker on Sun, 09/09/2012 - 23:07 Grinding concrete down to level is about the least efficient method of leveling concrete, the best way is to place forms at the correct elevation, then screed with a screed board, which can be a 2x4 (make sure it is dead straight), or a steel angle.
Portland concrete, the basic ingredient of concrete, is a closely controlled chemical combination of calcium, silicon, aluminum, iron and small amounts of other ingredients to which gypsum is added in the final grinding process to regulate the setting time of the concrete.
Portland concrete, the basic ingredient of concrete, is a closely controlled chemical combination of calcium, silicon, aluminum, iron and small amounts of other ingredients to which gypsum is added in the final grinding process to regulate the setting time of the concrete.
Concrete Grinding, Sealing & Polishing. Concrete Grinding. By using advanced, 1,200 pound planetary grinders (which utilize rotating disks), we can easily level, smooth, or clean the surface of a concrete slab. The disks loosen old floor coatings such as paint, epoxy, and carpet glue, and greatly improve the appearance of the concrete.