The construction materials (wood, paper, textile, varnishes, pigments, synthetic membranes and foamy rubber) used for the exhibition and storage of the museum collections may function as factors of serious damage of the sensitive items. Lists of materials and the sort and extension of ero¬sion that may cause as well as the groups of the sensitive museum collections are presented in this article, while the proper construction materials that must be chosen and used are mentioned. Finally, solutions are given for the restoration and upgrading of the storage and exhibition systems of the museum objects, aiming at the partial or total elimination of the damage, which may be caused to these objects by unsuitable construction materials.