A sliding door system having one or more sliding doors, door frames (e.g., static frames of different sizes for different wall thicknesses or adjustable frames that can be used to fit different wall thicknesses), sliding door hardware (e.g., tracks, wheels, soft closers, stops, or the like), header, door receiver, a plurality of seals, or the like. The sliding door system utilizes improvements to the components in order to provide security features, such as electromagnetic (EMCEMI/RFI) shielding, sound resistance, blast resistance, forced entry and/or ballistic resistance, privacy features, light reduction, fire and/or smoke resistance, or the like to the sliding door system. In particular, the sliding door system allows for the use of the security features with the static or adjustable door frames described herein.