Polished Concrete Floors On Existing Slab
New slabs need to cure for 28 days before polishing.
Polished concrete floors on existing slab. Floors that are very porous need extensive patching or are wavy are probably not good candidates. The polished concrete contractor is responsible for taking that slab and turning it into the finished floor. 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.
The method used for retrofitting a polished concrete floor is either to a cut or sand the existing floor slab to be hardened and polished or b apply a topping slab of polished concrete flooring at least 50 mm thick over the existing slab. For existing floors polishing enhances their appearance by grinding the concrete down to a smooth high gloss finish. The first cut removes the top layer of concrete and exposes sand and anything else that has been troweled under the concrete.
If customers are expecting an even aggregate monolithic finish and the end result is a randomly textured surface with light and dark areas and larger rock exposed in sections the first person they contact to discuss their displeasure is. Typically some surface preparation is required prior to polishing to remove dirt grease coatings or blemishes. A concrete floor can be a good choice if you have an existing slab foundation and a home style that is a good stylistic fit for the polished gleam of honed concrete.
An alternative solution is to polish the existing slab. Minor cracking and imperfections add to the character of the finished floor. Character in polishing an existing concrete floor exists as.
Sources i ve seen state that nearly any concrete floor can be polished so long as it is structurally sound. Ensure floor is suitable for polishing. And in terms of decorative options existing polished floors are limited to the application of topical color.
Polishing an existing slab to achieve beautiful polished concrete floors. Imperfections when polishing an existing concrete floor or any concrete slab it is always difficult to tell what will happen after the first cut is made. If you are renovating however and using the existing slab you are more bound by whatever colour cement and aggregate is in your floor the only real option if you want to change the colour is to use a concrete dye however most customers are happy with the polished concrete look no matter what colour the cement and stones are.