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Bifold Door Seal Repair Bifold doors connect door panels into concertinaed tracks to allow you to open and close the space. Over time the doors can have a few issues that require professional assistance. Inadequate maintenance could cause your bifold door to become jammed and cause hardware issues and doors that are stuck. To stop this from happening it is recommended that you lubricate your bifold doors every couple of weeks. Seals that are degrading The seal
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