PU Insulated Sandwich Panel

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Roof, Wall, Cold Storage and Clean Room

 

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Sandwich panels are assembled roof and wall elements that have excellent insulating characteristics thanks to the integration of insulating material. They consist of two thin metal cover sheets, which are shear-resistant and are bonded to one another on an insulated core. The insulated cores normally consist of hard polyurethane foam (PUR), hard polystyrene foam and mineral wool (MW) as well in order to meet the fire prevention requirements. Sandwich panels are produced by continuously running production plants and sawn to ordered lengths. The surfaces can also contain lined, trapezoidal or corrugated profiles, depending on the customer's requirements. They are manufactured as both roof and wall elements. Sandwich panels can be produced with visible fastenings and with non-visible fastenings as well. The non-visible fastenings enable architecturally appealing facades to be created without the visual appearance being ruined by rows of screws. The excellent insulating characteristics combined with the array of systems, the quality and the appealing visual appearance have resulted in continuous spread of the use of these structural elements.

U-values ranging up to 0.12 W/(m²K) can be realised, depending on the thickness of the panel. The space between the supports can be up to 11 m (walls), depending on the type of panel used. Normal applications have spaces between the supports that are approx. 3 m - 5 m. The assessed sound reduction measurement lies at approx. 25 dB for PUR elements and at approx. 30 dB for MW elements. Steel sandwich panels with polyurethane have shown in various fire tests that they do not contribute to the cause of fires. Mineral wool sandwich panels are available up to fire resistance class EI 120 in order to meet the various fire prevention requirements.

Roof PU Sandwich Panel

Roof Sandwich Panel Profile
Sheet width 1200 mm
Effective width 1000 mm
Length 2 - 13 m
Insulation thickness 5 - 20 cm
Sheet thickness 0.35 - 0.80 mm
Sheet type Galvanized sheet, colored, allozinc, steel
Density of foam kg/m3

Wall PU Sandwich Panel

Wall Sandwich Panel Profile
Sheet width 1080 mm
Effective width 1000 mm
Length 2 - 13 m
Insulation thickness 5 - 20 cm
Sheet thickness 0.35 - 0.80 mm
Sheet type Galvanized sheet, colored, allozinc, steel
Density of foam kg/m3

V8 PU Sandwich Panel

Sandwich Panel Profile V8
Sheet width 1250 mm
Effective width 1000 mm
Length 2 - 13.5 m
Insulation thickness 4 - 25 cm
Sheet thickness 0.35 - 0.80 mm
Sheet type Galvanized sheet, colored, allozinc, steel
Density of foam kg/m3

Cold Storage PU Sandwich Panel

Cold Room Sandwich Panel Profile
Sheet width 1200 mm
Effective width 1020 mm
Length 2 - 13 m
Insulation thickness 5 - 20 cm
Sheet thickness 0.35 - 0.60 mm
Sheet type Galvanized sheet, colored, allozinc, steel
Density of foam kg/m3

What is PU Sandwich Panel?

Polyurethane (PU) is a type of insulation foam in which most pores are closed and it can be used as thermal insulation, which is made from a combination of pewol and isocyanate in special conditions and in the presence of a catalyst, and better advantages than the type It has polystyrene. Sandwich panel made of polyurethane insulation can withstand temperatures of 100 to 110 degrees Celsius.

Polyurethane sandwich panel with a thickness of 4 to 25 cm and is produced to order. Polyurethane sandwich panel consists of 5 layers, the inner and outer protective layer and two layers of special adhesive that is used to connect the outer protective layers and polyurethane insulation foam. The foam inside the sandwich panels is made of polyurethane foam with a density of 40 kg/m3.

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Guide to choosing PU Sandwich Panel

The application of polyurethane sandwich panels is varied according to its special properties. The type of sandwich panel should be selected according to the application and the type of need, weather conditions and budget. PU sandwich panels are a good choice for chemical industry, food factories and agriculture. However, due to the higher price of polyurethane sandwich panels, using it for the roof of livestock and poultry sheds is not an economical option. PU sandwich panel is economical due to its high insulation coefficient in the long run with energy saving.

The thickness of the insulation of the polyurethane sandwich panel should be determined based on the amount of insulation required. The use of high thickness does not necessarily achieve the desired result. In case we want to use the panel instead of the roofing sheet.

Price per square meter of sandwich panels

The price of sandwich panels changes daily due to severe fluctuations in sheets and raw materials. Apart from these, the price per square meter of sandwich panels depends on many factors and it is not possible to provide a specific or approximate price without calculations. These factors should be determined by a specialist engineer based on the type of application of the structure, environmental conditions and budget. These factors include:

  • Profile type: ceiling or wall
  • The material of the top and bottom sheets can be galvanized, allozinc or aluminum. To reduce the price of sandwich panels, the following sheet can also be selected with waterproof foil paper.
  • Sheet thickness: As the thickness of the sheet increases, the weight and price of the sandwich panel increases. Often the following sheet is chosen to be thinner than the top sheet.
  • Colors of the sheets: The bottom sheet, which is actually the inner ceiling, is often chosen white, but blue, red and orange colors are more used for the ceiling.
  • Type of insulation: Polystyrene insulation is cheaper than polyurethane, but polyurethane is better in terms of insulation and fire resistance.
  • Insulation thickness: Thicker insulation will increase the insulation properties against cold and heat.
  • Insulation density: Insulation density is selected based on the type of user.
  • Sandwich panel width: The maximum width of the sandwich panel is 980 mm, but it is possible to produce with a smaller width.

Also, the area of ​​the sandwich panel produced will be larger than the area of ​​the structure due to the overlap of the panels.

PU Sandwich Panel price list

Update: 4 October 2022
Product Price Effective width (cm) Thickness (cm) Sheet Thickness (mm)
PU Wall Sandwich Panel Quote 1000   -
PU Roof Sandwich Panel Quote 1000   -
V8 PU Sandwich Panel Quote 1118   -
Cold Storage Sandwich Panel Quote 1020   -
Clean Room Sandwich Panel Quote     -

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Please add 5 and 2.

Quality control process, packaging and loading of sandwich panels

Fooladgharb company has always made customer satisfaction as its main policy. In all the years of activity of FooladGharb, the satisfaction of our capital customers has been guaranteed by its activity and expansion. Therefore, we improve the quality of our products by launching new production lines and hiring and employing educated and specialized technicians. We take care of the production, quality control of the produced sandwich panel and correct packaging and delivery so that the product that reaches you is in accordance with your request.

The process of purchasing a sandwich panel from the initial order to its delivery is a time-consuming process that Fooladgharb Company has reduced this time by using production and sales management systems and trained personnel. Please call +98(41)34242025 for more information, sandwich panel prices or other technical questions.

Sandwich panel for roof and wall covering with easy installation and insulation is the best option for commercial and residential buildings. Sandwich panel of three main layers; It has two sheets of metal and a thick layer of insulation that has high strength while being light. The middle layer of the sandwich panel can be selected from polystyrene, polyurethane foam, fiberglass and other insulation materials. Polyurethane sandwich is more popular now, but the price of polystyrene sandwich panel makes it an affordable option as a great alternative to gable roofing. The sheet in the sandwich panel includes colored sheet, galvanized, allozinc, galvanized, aluminum, foiled paper sheet.

Sandwich panels are produced for various applications such as roof, wall and refrigerator. The difference between ceiling and wall sandwich panels is in the profile of the top sheet, where the roof sandwich panel has steps that allow it to withstand additional load. But in wall sandwich panel, facade profile sheet is used on both sides. The useful width of the ceiling sandwich panel is 97 cm and the useful width of the wall sandwich panel is 95 cm. The length limit of the panel is up to 15 meters. Insulation thickness can be selected from 4 to 25 cm depending on the application such as cold storage, poultry, gym, warehouse and shed.

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