These are bottom-rolling and rated to 2.1m high in very high wind zones. For higher doors consider using the Metro Series ThermalHEART.
The system uses an in-frame track and can be supplied with over-lights. A wide range of panel configurations is available. Bi-fold panel hinges are thermally broken to preserve the thermal integrity of the system.
Residential ThermalHeart bi-fold windows and doors share the same system.
Maximum 2100mm high doors in very high wind zones — For larger sizes consider using the Metro ThermalHEART Series
Thermal efficiency achieved through a thermal break in aluminium profiles – a glass fibre-reinforced nylon (polyamide) interlayer
Maximum glass panel thickness of 27mm
Corner bi-folds are available that do not require a corner post
The efficient bottom roller system allows optimum load capacity and increased panel width
Single panel access door can be used in conjunction with bi-fold doors.