https://output.jsbin.com/qibosomaku/ Bifold Door Seal Replacement Due to their space-saving design and easy access, bifold doors are popular for hangars, garages and other industrial spaces. It is crucial to keep them sealed to ensure the sake of energy efficiency, cleanliness and a relaxing space. Gaskets can flatten, shrink or break down over time. This can cause water ingress and draughts, as well as heat loss. This is a simple and quick fix. Seals on the top Bifold doors with rubber seals can become flat or damaged over time. This can lead to draughts and loss of heat and also water ingress. Installing new rubber seals could be a simple and cost-effective way to solve these problems. The top weather seal is designed to be attached in the gap between a bifolding door and its frame. It seals the connection between the door and the building. How effective this seal is in actual use is contingent on the quality of materials and manufacturing processes. Triple glazing and airtightness of class 4 are required for the highest quality bifold doors. After a few years of ownership, bifold owners often notice that their doors don't open anymore. This is because the threshold has moved and isn't flush to the floor or to the exterior. The most common "solution" to this is a brush seal, which isn't very effective at all. The reason is that a brush is unable to flex against the threshold's surface which creates a gap that lets air and water in. To avoid this, the threshold of Lacuna is designed with small steps. When the doors are closed they are pushed against this threshold, and then pressed into it. This gives a far superior result than the standard brush seals that other products use. This method comes with the added benefit of not limiting the door's movement when they are opened. Contrarily, when you choose to use the traditional bottom hanging system, the doors can be opened because they are supported by the track underneath them. This makes the doors hard to close and