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Bifold Door Seal Repair Bifold doors make a fantastic addition to any home, but they need regular maintenance and installation for correct operation. This includes a thorough inspection of the integrity, lubrication and a report of any problems to avoid them in the future. To minimise sticking, bifold doors are designed to be ever-so slightly smaller than the frame. This also means air can get in through the gaps. Install a weather seal to fix this issue. Seals that have been damaged A bifold
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