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Bifold Door Seal Repair Bifold doors are a wonderful addition to any home, but they need regular maintenance and installation for proper operation. This includes a thorough examination of the door, lubrication, and the report of any issues that may occur in the future. Bifold doors are made slightly smaller than their frames to minimize sticking. However, this also means that air can leak in through the gaps. Install a weather seal to fix this issue. Damaged Seals The ability of a bifold door to seamlessl