office mirrored sandwich doors with insulation. sample door in section

aluminum antishatter automatic business commercial components contemporary corporate crosssection diagram door doubleglazed durable efficient energy entry firerated frame frameless glass hardware heatresistant highquality insulated insulation interior keyless layers lowmaintenance minimalist mirror mirrored modern office privacy safety sample sandwich section selfclosing soundabsorbing soundproof soundproofing steel structure thermal uvprotected weatherresistant workplace