WingLine 770 folding door system

3 benefits in 1 system. Are you looking for a folding door system with a high load capacity and attractive design – and do you want it to be quickly installed? If so, WingLine 770 is the perfect system for you. The door leaves are quickly hooked in and aligned. The running components easily clip into the runner profile. Quality that's felt in every movement. Rated for door wing weights up to 20 kg – for plenty of design flexibility.