Lot 6 b metal construction door elements.

— approx. 32 m2 mullion-transom façade with large glazing and built-in elements doors and windows,

— approx. 12 aluminium tubular frame doors as thermally insulated exterior doors,

— approx. 3 pieces of aluminium tubular frame doors as interior doors,

— Approx. 9 pieces of aluminium tubular frame doors as interior doors with fire and smoke protection requirements.