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Bifold Door Seal Replacement It is important to maintain the control of temperature, energy efficiency, and quality of the room by sealing bifold doors in a proper manner. As with may have issues. The gasket seal made of rubber can become hard, flatten or become brittle after a certain period of time, which reduces the ability to stop draughts. This is easily remedied with this replacement seal kit. Frame Bifold doors let in lots of light and can open up the space. They are also convenient if you w