Nergeco interior high performance doors are uniquely designed to help you cut energy spending by up to 30% at each opening / closing cycle. When closed, the flexible curtain fits securely in the customized sides of the structure creating a barrier between building sectors. During opening-closing cycles the flexible curtain gently slides upward ™just in time™ and then immediately slides down with the same speed but with less noise and wear due to the custom fit. Safety is ensured by the soft bottom edge that is flexible horizontally and vertically because it does not have a lower ballast bar.
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