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3. Museums and Humidification
Protecting art treasures!
Museums, churches, libraries and galleries store and exhibit often priceless works of art and antiquities.
It is the job of conservators, archivists and museum curators to treat those valuable works of art and exhibits with due care and to protect them from damage.
Benefits of air humidification:
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A constant humidity balance is a key factor in maintaining the value of hygroscopic (water attracting) exhibits (such as those made of wood, paper, linen and fabric) and protecting them from damage.
The material humidity that is to say, its water content is relative to the humidity of the surrounding room air. If the air is too dry the room- air will draw water out of the material. The drier the air, the more dramatic will be the dehydration process, leading to shrinkage of the material and ultimately to irreversible cracking. Only if the material humidity is in balance with the room air humidity can dehydration be avoided.
This equilibrium of humidity, which for the materials cited is around 50 - 55 % relative humidity, must be kept constant throughout the year, and especially during the heating season, in order to protect the exhibits.
An optimum relative air humidity also reduces static and the attraction of dust to exhibits and showcases.
