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.

When do you add the colour?

Colours are added by the concrete supplier and are in the mix before the concrete sets.

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

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

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 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.

Will polished concrete effect my in slab heating.

No, polished concrete is the ultimate finish for in slab heating.

Why do I need a sealer?

Concrete is porous so unless a sealer, be it acrylic, polyurethane, epoxy or GTA hardener is used then the natural porosity will be susceptible to staining and scratching.

Where do I find hydronic heating?