Hello all,
Our library's exhibits invariably incorporate informational panels, ranging in size fro 24" x 36" to 48" x 72", digitally printed and mounted to foamcore. These mounted panels get hung within wall cases, or via chain from a hanging rail on walls. I've run up against a persistent problem with some batches of foamcore exhibiting notable warping and bowing (depending on the season as well). If indeed similar panels are being used by you all in your exhibits: By what methods, or with which products, can these panels be kept rigid and flat, minimizing or even eliminating the bowing?
The most obvious answer is putting the panels within oversize picture frames, but this results in... well, a distracting frame around the panel's graphics. Experiments with adhering unglassed picture frames to the backs of the foamcore panels have been less than successful. As we've no fabrication facilities on the premises, I've not been able to make wooden frames or supports.
Is it simply a question of opting for the much-more-expensive Sintra or another material that isn't as warp-prone?
Phil Raino
Exhibits
Developer, Special Collections Research Center
The Estelle and Melvin Gelman
Library
George Washington University
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