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Alpha industrial sectional doors are used in private homes, agricultural buildings, industrial buildings and non-residential buildings. For the application and use the respective national provisions apply. The space-saving industrial sectional door can be fitted to both outdoor and indoor walls. The ALU 60 sectional door is assembled from aluminium panels with a working height of between 366 and 732 mm. When the door is opened, the sections slide back under the roof. The weight of the door leaf is balanced using torsion springs to allow manual operation. In addition to the standard lift track system, high lift, vertical lift, roof following and low headroom systems are available. The industrial sectional door complies with /EN13241-1/ (products without smoke control and fire resistant characteristics)