https://articlescad.com/why-yo....u-should-focus-on-en
https://blogfreely.net/dewveil....1/why-we-love-bifold
How to Repair Bifold Door Bottom Pivots A misalignment could be the cause of your bifold doors sagging and scraping the floor. A few minor adjustments will put them back on track and running smoothly. This pivot's bottom is attached to the bracket's base or floor for an incredibly secure and sturdy mounting. Threaded for adjustment, this kit can be used with a wide range of bi-fold doors. Broken or cracked