Light Polished Concrete Floors

Today specifications for polished concrete are now including specified gloss readings determined using gloss meters see table.
Light polished concrete floors. For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between floors. Gloss values express the degree of reflection when light hits the concrete floor surface and range from 20 to 30 low gloss to 70 to 80 high gloss. Bob harris the proper techniques for polished concrete floors concrete contractor february 2006. Cost of polished concrete floor.
The light sand exposure is a ground and polished surface typically exposing only the sand particles in the concrete floor. The water retained by the air entrained concrete and the more porous lightweight aggregates also greatly increases the cure time for fully dry material. Plain concrete slabs have served as the flooring material for basements garages patios and utility areas for many years but concrete is now also a viable material in home interiors where it can be polished etched or stained to serve as the finished flooring surface if you are used to thinking of concrete as a utilitarian surface suitable only for utilitarian surfaces the many virtues. This finish is considered a creamy looking surface and is the most popular choice for architectural ground polished floors.
When our client proposed a polished finish which requires grinding densifying and penetrant coatings the negatives for lightweight concrete began to emerge. A first passage with diamond grinding machine is. That is a polished concrete floor that works its way to a higher finish over 400 grit for example is. As the number of grit increases so does its fineness.
More homeowners retailers architects and engineers are choosing polished concrete as their finished floor of choice. Polished concrete flooring is simply a concrete floor that has been treated with a chemical densifier to fill in the holes pores and ground down similar to sanding wood with progressively finer grinding tools. All polished concrete floors begin in the same way whether with a smooth concrete surface that should be ground to expose the stone in the concrete matrix and reach the desired finish. Please send us information regarding the proper chemical to use to achieve the proper mix for the lightweight concrete.
A polished concrete floor costs 2 690 on average with most homeowners paying between 1 540 and 3 840 polishing 200 square feet of existing concrete could cost anywhere from 600 to 6 000 or up to 6 600 if you need concrete poured.