The roof sandwich panel is actually used as a cover for the roof of the structures, and due to its trapezoidal steps and the shape of the overlap, it prevents the penetration of water into the building. These panels are usually available in the form of two sides of the sheet, one sheet of foil, one sheet of nylon, and one sheet of paper. The sheets of this type of sandwich panels are usually sinusoidal (shuttered), design Trapezoid and... are produced. According to the place of use, sandwich panel roof can be in the form of two sides of aluminum sheet, one side of aluminum sheet and one side of galvanized sheet, two sides of galvanized sheet, covers of both sides of aluminum sheet, one side of sheet and one side of paper, one side of sheet and one side The nylon side is produced with hard polyurethane injection foam and... and is used to cover the roof of all kinds of prefabricated houses, villa roofs, industrial sheds, etc.
🔰 Structure and technical specifications of ceiling sandwich panel
Ceiling panels are produced in different thicknesses from 3 to 20 cm and injected with polyurethane foam. The main ingredients of this foam are isocyanate and polyol, which enter a special device under certain conditions and with a certain pressure. The thicknesses that can be produced for ceiling sandwich panels are usually 3, 4, 5, 6, 8, 10, 12.5, 15 and 20 cm, which are used depending on the environment and geographical conditions.
Usually sandwich panels More than 8 cm are used to cover cold storages. These sandwich panels have a standard width of 1.08 meters, 7 cm of which is an overlap and are produced in different lengths up to 14 meters.