https://articlescad.com/how-to....-become-a-prosperous
How to Fix Common Bi Folding Door Repair Problems Bi folding doors allow for the expansion of the interior space and create an unbreakable connection between indoor and outdoor areas. However, with time they may begin to break down and require repairs. There are plenty of ways to fix your bifold doors. Here are some common problems and their fixes: Misalignment. Misalignment If your bi-folding doors are a challenge to close or open creating drafts in the house