Expandable design allow large and long display cases to run along an entire gallery wall space. These combinations can be in a long straight linear form, stepped sections, cruciform, L-shape or U-shape. Different options and combinations can be factory fitted with applicable microclimate control such as constant humidity control, integral lighting, varying alarm etc. Applicable to most large or small exhibits and especially sensitive paintings or entire stories of exhibits. All construction materials and finishes within the display chamber meets international museum standards of conservation and air-tightness.