Friday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: The hospital just had new vinyl tile installed in the hallway. We are getting a line down the center of the hall because we have to do half the hallway at a time and the line is where the finish overlaps. Can you tell me what might be causing this?
What you are seeing is a higher reflection level from applying duplicate finish in the overlap area. In other words, if you overlap 4 coats of finish approximately 2-3 inches in the middle of a hall, then you could have up to 8 coats of finish reflecting light from that line of demarcation.
To reduce overlap, use a flat mop and cut the finish exactly along the edge of a particular tile in the ... — Gary Clipperton, president of National Pro Clean Corp.
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