German engineering and innovation feed into the aesthetics and functionality of the Highline bi-fold door range. A selection of features developed and patented by Solarlux to create this outstanding bi-folding door include:

• The TwinX®, a concealed panel-centring mechanism that creates a sleeker look, ensures the doors remain stable even under high wind loads, and reinforces the sealing properties
• The bionicTURTLE®, a multi-functional break profile which creates superb insulation and allows for large and heavy panels with slim sightlines
• The Comfort Snap, a panel catch which ensures all the doors stay together fully opened

• Aluminium
• Panels up to 3.5m high and 1.1m wide
• Maximum weight per panel 110kg
• Among the thinnest sightlines on the bi-fold market at 99mm
• Excellent thermal performance of glass, doors and shutters: Very low U-values (Uw > 0.8 W/m²K) that can meet passive house standards (under 0.89 W/m²K)
• Double and triple glazed options
• Complies with PAS24 British security standard
• Over 26 different configurations for open in/open out, left/right, or left and right
• Zero, weather-rated threshold
• Numerous colour options
• Combine with matching window elements