http://nutris.net/members/africaindia5/activity/2064099/ Bifold Door Seal Replacement Due to their space-saving design and quick access, bifold doors are popular for garages, hangars and other industrial spaces. Maintaining them properly sealed is essential to ensure energy efficiency and hygiene, as well as a pleasant indoor space. Gaskets can shrink, flatten or break down over time. This causes water ingress and draughts as well as heat loss. Fortunately, fixing this issue is simple and quick. Seals on the top Bifold doors with rubber seals can be slackened or damaged over time. This can lead to draughts, loss of heat, and also water ingress. The installation of new rubber seals is a simple and cost-effective solution to stop these problems. The best weather seal for bifold doors is designed to be fastened in the gap between the frame and the door and seals the connection to the structure. The quality of the material and the manufacturing process used will determine how effective this seal is when used in. Triple glazing and airtightness class 4 are essential for the best bifold doors. A very common problem faced by bifold owners a few years into ownership is that their doors won't open because the threshold is no longer aligned with the floor or exterior. The most typical "solution" to this is the use of a seal made by a brush, which isn't very effective at all. This is due to the fact that a brush cannot compress against the surface and creates a gap that allows water and air to enter. To avoid this, the threshold of Lacuna has been constructed with a few steps. This means that when doors are shut, they are pushed against this threshold and so compressed into it. This is a better solution than the seals used by other products. offers the additional benefit of not restricting the movement of the doors when they are opened. In contrast, if you choose to use the traditional bottom-hung system doors can be slid open because they have the support of the track underne