Disclosed is an insulating glass assembly that limits the presence and transmission of volatile components into the airspace of an insulating glass assembly and includes a polymeric spacing structure including a first side wall, a second side wall, and a third wall at least substantially perpendicular to the first side wall and the second side wall, a first pane of glass bonded to the first side wall through a sealant composition, a second pane of glass bonded to the second side wall through a sealant composition, and a desiccant matrix composition disposed on the spacing structure, the desiccant matrix composition including adsorbent and polymer.