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May 25, 2019

Things you should know about concrete floor polishing

All concrete floors are not the same; in fact, it’s rare to find two floors the same unless they were purposely made that way when first constructing the concrete pad. The reason for this is simply that a finished floor will depend on the types of aggregate used and the amount of grinding done before the final polish. The companies that make polished concrete floors  can offer you a variety of choices.

To help you decide if concrete floors are right for you, these things you should know about concrete floor polishing:

Colour and Finish

There are many different finishes available for concrete floors, you can opt for a matte type finish, low gloss, medium or high gloss finishes. To make thing more interesting, there are also the different levels of stone exposure possible, a slight grind where no aggregate is visible so you get a very even finish. A minimal amount of aggregate showing sometimes called a “salt and pepper finish”, a medium cut where a good amount of aggregate is exposed to a full cut or grind where all the aggregate is exposed.

Concrete is normally light to dark gray in colour, but it can be dyed to create different effects, including shades of green, blue, red, brown and black. If you opt for a mechanically polished floor rather than a grind and sealed floor it will last for many years.

When constructing a house, at what stage should the floor be polished?

When you wish to have a floor mechanically polished this should be done as soon as the roof and framework are completed as the polishing will strengthen the floor, the finish is very durable and will not be damaged by normal construction work. If you are having a grind with a surface coating this should be done just before the skirting boards and final coat of paint, as it can easily be damaged during construction work.

Time involved

For a new floor it can be polished in three to four weeks after being poured. For a grind and seal the floor needs to be completely cured so a minimum of 28 days is needed or the sealer could turn milky instead of being clear and is likely to peel off or delaminate.

Any Concrete floor can be Polished

Any existing concrete floor can be polished, although there may be some restoration work needed if it is cracked or damaged. To get a particular surface finish or colour you may need to resurface the floor before polishing.

A polished concrete floor be done anywhere

Anywhere you can pour a concrete floor it can be polished, although some areas are more suitable than others. It is often best in areas that are likely to get wet not to have a high gloss floor as it can be slippery. For those areas a non-slip finish is recommended, it will not be as smooth, but it will still show the exposed aggregates and have the polished concrete look.

When considering a polished concrete floor on the Gold Coast it is recommended you visit some of the displays from the companies that do concrete polishing and talk to them about your options.