https://aiwins.wiki/wiki/How_T....o_Explain_Repair_Bif
Bifold Door Seal Replacement Making sure that bifold doors are properly sealed is vital to ensure energy efficiency, climate control and the overall quality of the area. Like any other door system, they can have problems. The gasket seal's rubber material can flatten, harden or become brittle over time, which reduces the ability to stop draughts. This can be easily repaired by replacing the seal with this kit. Frame Bifold doors are fantastic for letting in lots of natural light while opening u