Bi-folding shutters are hinged together to allow the shutters to fold together. Bi-folding applications can be used for both standard bi-folding or sliding bi-fold.

It is popular to hinge a panel directly onto another panel.The maximum recommended width for hinging is 2400mm wide x 2100mm high. It's not recommended to hinge more than 2 panels unless they are supported by a tracking system.
1 hinged and 2 bi-folding.
2 hinged together folding right and left.
2 hinged together folding 1 way.

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