Steelcase Inc.

John C Duba, Jr

Richard A Kroko

Nicholas M Vander Wal

David J Levitt

Kenneth J Knister

A method for manufacturing tiles for use in a raised floor system is disclosed. The tiles comprise an outer shell and an inner core material. The method includes constructing the shells at a manufacturing facility, transporting the shells to a remote location associated with a job site, and filling the shells with a fill material at the remote location. A method is also disclosed for providing a rack to hold the tiles during the manufacturing process, stacking shells in a vertical orientation on the rack, and filling the shells with a core material while on the rack.

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Alto, MI, United States of America

John C Duba, Jr