Thursday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: I recently took over the maintenance of a childcare center. A cleaning crew does the washing and buffing of the floors on a weekly basis and stripping and refinishing on a six-month’s rotation. I have noticed what looks like little air bubbles or minute debris all over the entire floor’s finish. Is it some sort of a reaction of the finish or could it be in the application or something else?
If the air bubbles you describe have popped and left perfect circles, the cause is a high foaming floor finish. If the floor contractor continues to use the same finish, instead of pressing out the finish mop in a mop press, they should use alternate methods of application. One method is to use a flat mop with a feed tube from a finish reservoir to apply the finish. Several manufacturers offer such systems. Another alternative is to drill 4 small holes in the floor finish cap and carefully sprinkle the finish on the floor ahead of the mop. Keep the jug about 6 inches above the floor to prevent splashing and pour out no more than ... — Gary Clipperton, president of National Pro Clean Corp.
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