SPECIFICATIONS Mullion widht: 88 – 270 mm Mullion width: 60 mm Visible groove: 20 mm Uw ≥ 0.7 W/m²K Categories: Architecture systems Facade systems and ventilated curtain wall systems Description SPECIFICATIONS Mullion widht: 88 – 270 mm Mullion width: 60 mm Visible groove: 20 mm Uw ≥ 0.7 W/m²K