GBS® Panel version ideal for Mezzanine or Ceiling applications within the GBS® Integral System. It is a GBS® Structural Panel composed of 16 gauge Galvanized G-90 Beam Post and 18 gauge Galvanized G-90 Mooring Channel. This GBS® Panel is available in 2 versions. The Mezzanine version does not contain Expanded Polystyrene plate. The version for Ceiling contains a high density Expanded Polystyrene core 16 kg / m3 and 5 ”thick.