Airtight, humidity stabilized display cases: The practical design and fabrication of sealed exhibit cases

Toby J. Raphael


Humidity “stabilized” or “buffered” case designs are a relatively simple but useful technology which has been under utilized. This type of exhibit microclimate has not been widely adopted by small museums and historical sites where overall humidity control is often unachievable. Conservators at the National Park Service have developed specially designed exhibit cases in a program aimed at upgrading the permanent exhibits in National Parks across the country. This paper outlines the conservation parameters for fabricating sealed cases and identifies a number of alternative designs for achieving passive humidity control.

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1991 | Albuquerque | Volume 1