Friday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: How do I remove the light-brown stains left behind after the successful removal of chewing/bubble gum from broom-finish concrete?
If you used high-pressure washing or a solvent cleaner and removed 95 percent of the gum, normally a high alkaline heavy-duty cleaner will finish it off.
Mix according to directions and allow five to 10 minutes dwell time.
A pump-up sprayer works great for application.
Scrub with a stiff broom, brush, floor machine or ... — Gary Clipperton, National Pro Clean Corporation, www.nationalproclean.com
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