A panel support post comprises a base securable to a mounting surface and an upright member extending substantially vertically from the base. The upright member has a first clamping surface formed by an upright surface thereof. The panel support post further comprises a clamping member having a bottom edge vertically spaced above said base and having a second clamping surface thereon in opposed spaced apart relation to the first clamping surface, the clamping member being drawable towards the first clamping surface. The first and second clamping surfaces are located vertically spaced above the mounting surface so as to support the barrier panel vertically spaced apart from the mounting surface.