The DC3.1 MB doors are manufactured in various sizes. They are steel doors with profiled rebates on four edges. The door leaf with a thickness of 65 mm is composed of two zinc plated steel sheets 2 mm thick. The construction is reinforced internally by „C” and „L” profiles. The space between profiles is filled with mineral wool. The outer leaf cladding can be additionally reinforced with a steel sheet 3 mm thick. „C” or „L” profile frame is made of zinc plated steel sheet 3 mm thick. On the perimeter of the door leaf, there are EPDM rebate gaskets. EPDM gaskets are also installed along the perimeter of the frame, except for the threshold. At standard, the door is equipped with a threshold of 20 mm high. The door leaf is equipped with three hinges ø22 with ball bearings, main lock multipoint class 7, three anti-burglary bolts. The DC3.1 MB door can be used as external and internal door, opened outwards or inwards.
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