- The SUNFLEX SF55i is an innovative version of the award-winning SF55s aluminium bifold door.
- Manufactured from the same square edged aluminium profile as the SF55s, measuring just 55mm from front to back.
- Designed with alternate gasket and hinges compared to SF55s system
- Accommodates a glazing unit of 28mm, 30mm or 36mm.
Maximise your opening with panel widths up to 1200mm and 3000mm maximum panel height without the need for a sliding post.
Aluminium is an ideal material as it’s light, strong and stable with slim profile sections to minimise the visible framework and maximise the glass area.
Double glazed U-value for overall frame and glass from 1.6W/m2K.
Triple glazed U-value for overall frame and glass from 1.2W/m2K.
Acoustic performance tested at Rw=36dB. Further upgrades available.