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Bifold Door Seal Replacement It is essential to ensure the climate control, energy efficiency, and overall quality of the space by ensuring that bifold doors are sealed in a proper manner. Like any other door system, they can have problems. Over time, the rubber gasket seal may flatten and become brittle or harder and less able to block drafts. This can be easily repaired with this seal replacement kit. Frame Bifold doors are fantastic to let in lots of natural light while opening up a room. They can also be