· Heat transfer coefficient: Uw=1.3 W/m²K

· The 42-millimetre pane sets lower the heat transfer coefficient down to 0.8 W/m²K.

· The low (50 mm), insulated lower sill ensures maximum energy effectiveness and easier access.

· The bilaterally symmetric side jamb is fitted with extra thermal insulation and reinforcement.

· The side jambs with no unnecessary profiles are smooth, elegant, discontinuous and easy to maintain.

· Seals are hidden behind the wings.

· Reliable insulation properties and aesthetic looks thanks to the harmonious colouring of the sealing elements.

· Insulation properties stay unchanged also in the burglarproof option.

· Aluminium Teflon-coated guides for precise and smooth movement of the wings.

· The aluminium cap option makes it possible to meet additional requirements of the customer and offers greater variety of models.