https://anotepad.com/notes/psih7h57
http://arcdog.com/architects/f....ieldruth9/activity/2
Bifold Door Seal Repair Bifold doors are a wonderful addition to any home, but they require regular maintenance and installation to ensure proper operation. This includes a thorough examination of the lubrication system, as well as the report of any issues that might arise in the future. To prevent sticking to reduce sticking, bifold doors are made to be ever-so-slightly smaller than the frame. However, this can lead to air leaking in through the gap. To stop this from happening, install