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to their space-saving design and ease of access Bifold doors are a popular choice for garages, hangars and other industrial spaces. Making sure they are sealed properly is essential for energy efficiency and cleanliness, as well as a comfortable indoor environment. Gaskets can become flat, shrink, or become damaged over time. This can cause water ingress and draughts and heat loss. Fortunately, fixing this is simple and quick. Seals on the top As time passes the seals made of rubber on a bifo