Wednesday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: I am having trouble with finish on concrete floors in a grocery store that seems to have a lot of moisture. The employees are really rough, scratching the floors, etc. None of the finishes I tried stay on properly even though the floor has been stripped and prepared properly.
Also, we put enough coats on it to give it a good base. What would you recommend? The last one I tried was supposed to last 18 months before the next stripping with maintenance, but seems to last only a week before it becomes dull, with their cleaning chemicals making it sticky. It’'' the oddest thing I have ever come across.
Your problem is likely with poor maintenance and improper chemicals used between your visits. Do some investigation and if the problem lies with the daily maintenance, ask them to correct the problem or let the job go. You may have too much going against you to succeed.
Whenever a floor finish becomes sticky or tacky I would suspect a stripping action is taking place due to something softening the finish. They should be cleaning with a neutral cleaner. Find out what they are using that is breaking down the finish. While this may be the reason your finish is not holding ... — Lynn E. Krafft
, ICAN/ATEX editor