How do we go about making polished concrete water proof without applying old technology such as epoxy’s or seal coats ?
Simple: We need to make it hydrophobic.
Polished Concrete is naturally very porous, water and food are able to penetrate leaving unsightly stains to what would be a natural polished floor. So we need to add chemical structure to the polishing job.
First step in this process is to use a densifacation process that forms a colloidal gel inside the concrete. This will stop the ingress of liquid and food as well as giving the surface of the concrete extra abrasion-al strength.
Second step is to polish the concrete to 3000 grit. This closes off the pours of the concrete but this process alone has to be accompanied with pit filling chemicals to give a mirror finish to the concrete without pits, leaving no difference between the stones and the cement.
Third step is to add a 2 part chemical process to give the polished concrete floor its finial Hydrophobic state. This means beer, food, wine will just sit on top of the concrete in a bead like state that can be easily wiped up.
A lot of polished concrete floors are not liquid proof, they have slight resistance but the short comings to this is staining of your polished floor.
Something to think about when comparing apples with apples