Rolling racks for painting storage

I have been asked by an artist to recommend a rolling rack storage
system for 20 large (80" x 80") paintings.  Can anyone recommend a
manufacturer/distributor in the US?  Suggestions on systems that
should be avoided would also be appreciated.

Jonathan Derow


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                  Conservation DistList Instance 15:78
                   Distributed: Monday, May 20, 2002
                       Message Id: cdl-15-78-010
                                  ***