insulated sheet Belgium

... steel with a thickness of 2mm, insulated by a high-density rock wool mattress. The thickness of the door leaf is 44mm but may vary depending on its size. This thickness varies according to the size of the leaves. Internal reinforcements are double omega 100/10/10. The bottom of the door leaf is equipped with a mobile device embedded in the wall, automatically controlled by the movements of the door. Invisible fastening. SUSPENSION Provided by 3 steel nodes with a diameter of 20mm. They are equipped with a 3mm bronze wear washer.