What is the difference between grind and seal and machine polished concrete?

The grind and seal process is very similar to how wooden floor boards are finished. i.e. grind/sand to a smooth finish and then paint with a sealer. Where a timber floor is sanded and then sealed, a concrete floor is ground smooth with specialist grinding machinery.

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Is it possible to stain and polish concrete? (dark grey)

Yes. It is possible but the process can be expensive as far as the cost of the stain is concerned and the area of the slab.

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What sorts of questions should people ask before choosing a polished concrete floor?

The home owner should consulate with a professional concrete polisher to decide on how much aggregate/stone should be visible.

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What is grouting?

All concrete naturally has holes that can also be heightened in the grinding process. Not all floors require grouting. It is the client’s decision as to which “look” they desire and if a smoother look is required, grouting takes place to even up the floor.

Can red wine stain a Polished Concrete floor?

Just like any other floor type, red wine will leave a stain if not attended to straight away.

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Should I add retarding agents to the concrete mix?

Do NOT add any retarding agents to a concrete mix that is going to be ground and sealed or polished. Retarding agents WILL affect the seal and may react badly with the polishing process. Simply apply a light sprinkle of water to the slab as required.

When is it the best time to speak to my polisher?

We prefer to be contacted as early as possible as we like to stay in constant contact during construction, guiding and overseeing the concreters – so “call before you pour”.

We have a garage with a maroon type colour concrete floor. It has a few paint stains etc on it. I was thinking of giving it a good sanding, with some type of machine no doubt & then painting some kind of clear sealer on it. Can any concrete floor be sande

Yes, any concrete floor can be ground and sealed or mechanically polished.

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