Bi-Folding Door Opening Options
The Longton Glass bi-folding door is available in a range of two to seven pane opening options creating up to a 6.4 metre aperture.
Bottom running with stainless steel wheels & top rollers with hardened carbon steel bearings the easy glide system allow your door to open to either the left or right.
With a total of 36 opening configurations you can create the perfect door for every application. Sierra bi-folding doors can open in or out; our open out doors achieve a 600 Pascal weather rating.
High Security Features
Every door comes with multipoint locking and anti-lift blocks fitted as standard. Slave leaf locks have shoot bolts that work on a finger operated mechanism and high security hinge bolts, restrictor stay arm and magnetic catches are all available as optional extras.