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How to Install a Liniar Bi-Fold Door

This video is to help installers fit a Liniar PVCu bi-folding door set.

It will take you through each step of the process to ensure your doors are fitted properly and to Liniar’s standards.

The bi-folding door being fitted in the video is the Liniar ModLok bi-fold, launched in 2014 to provide additional strength and rigidity to enable larger door spans.

This video should be used in conjunction with the full Liniar Bi-Fold Doors installation guide (available from to ensure a perfect fit and avoid any future remedials.