https://trade-britanica.trade/....wiki/BiFold_Door_Rep
https://pediascape.science/wik....i/10_Facts_About_Rep
How to Fix Common Bi Folding Door Repair Problems Bi folding doors open up the interior space and create an unbreakable connection between outdoor and indoor spaces. However, over time they may begin to wear out and require repairs. Luckily, there are many ways you can repair your bifold doors. Here are some common problems and their fixes: Misalignment.