The use of glass boxes to protect modern paintings in warm humid museums

Franciza Toledo, Magali Sehn, Mário Sousa Júnior, Sérgio Brazolin and Stephen Hackney

This paper considers the advantages and disadvantages of an enclosure for the display of unvarnished easel paintings, both modern and contemporary, for use in warm, humid museums. Microclimate analyses of a display box’s performance in five museums are presented and correlated with material damage to paintings. The results are presented of a research project, carried out between 2000 and 2002, to test a sealed glass box at five Brazilian, naturally ventilated museums and to verify its efficacy in protecting paintings, not only to avoid soiling and consequent cleaning of their surfaces but also to reduce