Proper concrete surface preparation is the most important part of any coating or re-coating application.
In general, any existing properly installed epoxy flooring system can be prepared, re-coated, and warranted if completed properly.
However, it is important to remember that a properly completed re-coat will not improve the adhesion of the existing coating to its substrate. And will only be as strong as the surface it is going over.
Before any mechanical preparation, the entire area should be thoroughly degreased and rinsed using Rez-Stone 1000 or its equivalent.
All existing coatings must be inspected for loose or delaminating conditions and repaired as necessary. Loose coatings must be removed or scraped back until a “tight edge” is found.