The “Masterfold” system is one of the only systems that is both water proof and dust proof. The top roller hinge system consists of four heavy duty rollers to ensure durability. The folding profiles contain slots for two rubber seals per section, in other words, four seals per joint. The bottom sliding part also operates with a roller system to ensure long lasting operation.

The system is very flexible and can accommodate several combinations — some of which are illustrated below.

Folding windows/doors can be made to a maximum height of 2,5m. The frame profiles are between 35mm to 81mm wide and weigh ~2025g/m. The opening sections are 58mm wide and weigh ~709g/m. Most types of handles and locks are supported by our designs.