EWT 55 combines a three-chamber profile with a 20 mm thermal barrier to provide a compact insulated solution for residential and public buildings. Alternative profile wall thicknesses help balance performance and project budgets.

Euro-groove channels support a range of inward and outward opening types as well as compatible hardware systems.

Key specifications:
Fixed system depth: 55 mm
Vent system depth: 64 mm
Glazing thickness: 20-44 mm
Thermal-break width: 20 mm
Maximum sash size: 1500 x 2500 mm
Maximum sash weight: 180 kg
Air permeability: Class 3
Wind-load resistance: B2-C2
Safety pressure: 1200 Pa