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.

What does exposure mean?

Exposure is the amount of aggregate (rock, quartz, pebble etc) that is able to be seen as a result of the grinding process.

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.

Is it possible to have a polished concrete floor in a domestic house which will not crack and make the polishing ugly? Can concrete be reinforced to avoid cracking?

A structural slab and topping slab or screed should be reinforced but even with these measures there is no guarantee that the concrete will not crack. If your foundations move the slab will move which may cause cracking.

Is there much dust when you polish a slab? Do the neighbours need to be warned?

Can wet areas be polished?

Wet areas can be polished however we highly recommend that showers be either tiled or use traditional shower bases.

Is Polished Concrete slippery?

Just like any hard flooring it will be slippery when wet.

How should one evaluate the costs involved when choosing Polished Concrete?

Home owners should consider the long-term benefits of Polished Concrete.