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Bifold Door Seal Repair Bifold doors are created by integrating door panels with the help of concertinaed tracks which let the space open and close. Over time, they may be affected by a variety of common problems that require professional attention. Lack of regular servicing can cause your bifold doors to swell up, causing issues with the hardware as well as stuck doors. To help prevent this from occurring, you should lubricate your bifold doors every few weeks. Deteriorating Seals Because bifold doors are continuously expose