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Installation of roof sandwich panel

Installation of roof sandwich panel

The sandwich panel is a roof cover, which prevents water penetration due to the trapezoidal steps and the overlap shape.

In the installation of roof sandwich panel, panels are made as both sides sheet, one side sheet one side foil, one side sheet and one side nylon, one side sheet and one side paper. The standard width of the roof sandwich panels is 1/08 m, 7 centimeters are in the form of an overlap (overlapping with side panels) and 1.01 m is for useful work and desired length (according to customer’s order). The sheets of this type of sandwich panels can be produced as sinusoidal (shutter), shadow line, trapezoidal designs and pottery designs. This type of sandwich panel is produced with covers as two sides aluzinc sheet, two sides aluminum sheet, two sides galvanized sheet, one side aluzinc and one side galvanized sheet, one side aluzinc sheet from the outside and armed aluminum foil from inside or one side galvanized sheet from the outside and one side foil from the inside, one side sheet and one side paper, one side sheet and one side nylon with injected foam of hard polyurethane (normal and fireproof).


Applications of Roof Sandwich Panel

These panels are used as roof coatings for the industrial sheds, transportation containers, stationary and mobile cold storage rooms, warehouses and silos. Thicknesses that are uses are different for various applications. For example, in order to cover sheds as mushroom cultivation, date warehouses, and poultry breeding usually a panel of 5 cm thick is used. The thickness of the 10-20 centimeter is used for cold storage rooms (below zero and above zero).


Advantages of Roof Panels:

1) Insulation of heat, cold, sound, humidity

2) Resistance against wind, landslide, earthquake and chemicals

3) Low price and variety of color and recycling ability

4) Ease of installation

5) Low weight, which reduces the overall weight of the structure

6) Suitable for all climates



Structure and Technical Characteristics of Roof Sandwich Panels:

A roof panel (sandwich panel) with a thickness of 3 to 20 cm is produced with injected hard polyurethane foam (with different densities).

Two basic materials making polyurethane foam insulation, which include isocyanides and polyethylene, are kept in two separate tanks. For insulation, two materials with a specified ratio and pressure are injected by a special device at the desired location. The reaction of two materials forms the foam of polyurethane insulation and the inside of the insulation space expands and completely fills the space. Since the foam is formed at the site of insulation, the foam fills all the holes and pores and creates a perfect insulator between the surfaces. The pressure behind the injection device and the pressure caused by the expansion of polyurethane foam penetrate the insulation to all pores and completely cover the surface.

This panel is resistant to the growth of plants and fungi and has a low thermal conductivity coefficient. The thickness of the roof sandwich panels produced is often 3,4,5,6,8,10,12 / 5,15,20 centimeters, each of which is selected based on the climatic conditions and the type of application.  Sandwich panels of 88 cm and more are used to cover cold storage rooms.

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