| Model ASL 4000 technical | ||||||
ASL 4000 |
The main structure is made from 1.5mm steel sheet to ensure high resistance to attack. The door frame and jamb are made of high resistance 1.5mm thick sheet steel, and the design incorporates hidden hinges. For good thermal and sound insulation, the door is filled with mineral wool. The thickness of the door leaf is 6.5cm, as for all the models. | |||||
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