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Hard Floor Care

Wednesday's Ask the Experts: 'Peeling' floor finish

January 27, 2010
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Wednesday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: When applying floor finish to an automotive retail store after a strip, we had a problem with the floor finish "peeling" during application. The facility requires five coats of finish, and the first three went down flawlessly, but number four started to remove coat three during application, and again number five peeled part of number four in a different area.
What is the cause of this? Conditions were dry floor with fans, air conditioning and outside temp was about 18 degrees Fahrenheit with the door open.
The answer:
I see two things that may have led to this occurring.
One is that the temperature was way too low for proper curing of floor finish. If 18 degrees Fahrenheit. is not a typo and the door was open, the floor was likely far below the 60 degrees Fahrenheit usually looked to as a minimum for good finish performance.
But, let''s assume you meant to type 78 degrees Fahrenheit and the air conditioning was on with good ventilation. Even then, dry to the touch does not mean cured enough to prevent a further coating from disturbing the previous ones.
That fact that you saw three successful coats before the problem occurred indicates that the first three were not fully dried and cured when the forth coat was added. I''ve seen ... — Lynn E. Krafft, ICAN/ATEX editor
To read the rest of this response, click here.
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