Door Hardware Care and Maintenance
Caring for your door hardware is simple. Just remember to clean your door hardware only with mild soap and water. The chemicals that are used in cleaners, polishes, etc., can be harmful to the clearcoat finish that is applied to nearly ever brand of door hardware on the market. If you want your hardware finish to last for years to come... don't use chemicals.
Hardware cleaned with chemicals is not covered under the manufacturer's warranty.