What is the Advantage and Disadvantage of Warehouses Thermal Insulated Roof Panel

Knowing the advantages and disadvantages of Sandwich Panels are important before the construction of roofs and walls. But what are sandwich panels made of? - What are their applications? What is their cost?

In this article we are going to answer these questions.

 

Sandwich panel construction has many advantages for the buildings &#; and some disadvantage, too. But first what is a sandwich panel?

 

What is a sandwich panel?

What is meant by sandwich panel? Sandwich panels &#; or sometimes referred to as composite panels - are a type of industrial building material that are divided into 2 categories: Wall and roof covering.

A sandwich panel is a construction material that is consisted of 3 or 4 layers. Each panel contains a thermal insulation material as a core that is surrounded by covering sheets. (Or other materials we will discuss about in a minute).

 

 

Sandwich panels for roofs:

Roof sandwich panels materials, in addition to resistance to fire and heat; must have bearing capacity and long life expectancy- so that they can withstand strong storms.

 

  

Advantages and disadvantages of roof Sandwich Panels

Although there are many advantages to it, yet a few downsides might be annoying to some people:

 

Advantages:

Here are some of the sandwich panel&#;s advantages and features: (they may vary according to their foam materials)

·     Cost-effective

·     Easy to install

·     Non-water absorbent

·     Resistant to high heat and cold

·     Eco-friendly

·     Customized thickness of the foams

·     Lightweight

·     For clean room use

 

Advantages:

Here we are talking about the conventional sandwich panels (PU, XPS, EPS, etc.):

·     Not so strong to withstand the extra load

·     Not flexible to cover many angles (problem is solved by UPVC eco-panels which can bend as much as needed - we will get to it in a minute.)

·     In some versions the cost might be a bit higher than other alternatives.

 

Sandwich panel wall and roof price

The price of wall and roof sandwich panels depends on some factors:

·     The design of the roofs and walls (the angels and its complexity).

·     The thickness of the foam insulator

·     Types of the foam insulator &#; based on the location and usage

·     Number of the layers used in sandwich panels

Sandwich panels for walls:

In choosing a wall sandwich panel, key parameters such as: heat insulation, resistance to fire and water absorption are important.

Advantages of wall Sandwich Panels

As wall coatings, they are used in:

·     Internal partitions

·     Industrial shed wall coverings - (warehouses)

·     Containers

·     Villa houses

·     Sports halls

·     Livestock shelters

·     &#;.

 

Advantages of Sandwich wall panel

·     Light weight

·     easy transportation

·     Fast and easy installation

·     Soundproof ability

·     Resistant to moisture

·     Resistant to earthquakes

·     Different colors

·     Rust resistant

·     Resistant to fungus and mold

·     Washable

·     Long life

·     Recyclable

·     Lower cost

·     Heat resistant

 

 

Sandwich panels applications:

Sandwich panels are used in many industries such as:

·     Industrial and commercial factories

·     Cold storages

·     Industrial sheds and warehouses

·     Livestock and poultry sheds

·     Food and agricultural industry

 

Types of sandwich panels:

There are different types of sandwich panels. But here we will talk a bit on the most common ones.

The various types of sandwich panels are named after the foam inside their main coverings such as:

 

·     PU or PUR (Polyurethane)

·     XPS (Extruded Polystyrene)

·     EPS (Expanded Polystyrene)

·     Rock wool

·     Eco-Panel / UPVC Sandwich panel (Elastomeric Foam)

 

 

1.  PUR sandwich panel

Advantages and disadvantages of Sandwich Panels

 

Polyurethane (PU or PUR) is a composite material used as a thermal insulation. In this foam, most of the pores are closed and are located between 2 side skins.

 

Advantages and disadvantages of PUR sandwich panels

Advantages:

·     High density

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·     The amount of adhesion of the insulation to the outer sheets is higher than other foams. (Good self-adhesive performance).

·     Lightweight

·     Good heat insulation

 

Disadvantages:

·     Production of greenhouse gases and damage to the environment.

·     Irritates the breathing and harmful to health.

·     Poor water absorption

·     higher price

 

 

What is the main difference between PIR and PUR?

The main difference between PIR (Polyisocyanurate) and PUR is their resistance to fire. PIR has a higher thermal stability. It also slows the spread of flames and reduces the amount of fire &#; compared to PUR.

 

2.  XPS Sandwich Panel

Extruded polystyrene insulation foam is made through extrusion process - that results in a closed-cell structure and a smooth and dense skin on both sides.

Advantages and disadvantages of Sandwich Panels

 

Advantages and disadvantages of XPS sandwich panels

Advantages:

·     Prevents water penetration

·     High strength

·     Durable

·     Recyclable

·     Resistant to fungal infectious

·     Lightweight

Disadvantages:

·     UV sensitivity

·     Poor sound insulation

·     more expensive

 

3.  EPS Insulated Sandwich Panel

Expanded Polystyrene is a rigid, closed cell, thermoplastic foam material. It is produced from polystyrene and natural gases.

Advantages and disadvantages of Sandwich Panels

 

Advantages and disadvantages of EPS sandwich panels

·     Light weight

·     Low cost (more economical than XPS)

·     Dimensional stability

·     Versatility

·     Production with different density

 

Eps sandwich panels disadvantages

·     Low bearing capacity

·     higher chance of combustion

·     Not eco-friendly &#; not easily recycled

·     Poor insulator

·     poor strength and prone to crack

 

4.  Rock Wool

Rock wool is also called mineral wool or stone wool. It is used as an insulation foam and is made of rocks and minerals - basalt and natural ores. This foam is glued between 2 or 3 layers and used in wall and roof coatings.

Advantages and disadvantages of Sandwich Panels

 

Advantages and disadvantages of rock wool sandwich panels

Advantages of rock wool insulation:

·     Good sound absorption

·     Good heat insulation

·     Excellent fire resistance

 

Disadvantages of rock wool sandwich panels:

·     It is not completely waterproof

·     Rock wool is heavier than polyurethane. So it requires more endeavor and expertise for transportation and installation of the sandwich panels.

5.  UPVC Sandwich Panel (Eco - Panels)

UPVC insulated panels or eco-panels are the new generation to modify roof and wall coverings. Eco-panels are the economical version of conventional wall & roofing systems.

Eco-panels can be used in different places &#; according to their thickness.

These sandwich panels are available both for roofs and walls.

UPVC Eco-panel materials consist of 4 layers:

 

·     Anti-UV polymer alloy

·     UPVC layer

·     Elastomeric insulation foam

·     Polymeric laminated aluminum foil

 

Anti-rust screws are another advantages for UPVC panels to cover your rooftop and the walls; so you will need less repairs and maintenance in the future. They also prevent excessive pressure on the roof.

 

Advantages and disadvantages of UPVC sandwich panels

Advantages:

1. Flexible panels &#; they are best known for UBM roofing systems (curved roofs).

2. Less thickness but same efficiency as XPS or EPS sandwich panels.

3. Antibacterial sandwich wall & roof panels. Hence best sheets for pharmaceutical and sanitary Factories, etc.

4. Excellent safety with non-flammability properties.

5. No moisture absorption

6. Great sealing because of its high waves- so there would be no water penetration.

7. UPVC sandwich panels, economical choice &#; that is why they are called: eco-panels. They are cheaper compared to PU sandwich panels.

8. Best soundproofing materials.

9. Anti-corrosion coating screws are used when installing the sandwich panels.

10. Their life span is up to 50 years &#; whereas in conventional versions of sandwich panels, 25 years is expected.

 

Disadvantages:

1. Although UPVC sandwich panels are resistant to high temperature, yet cannot withstand the temperature higher than 75 °C.

2. They are not the most solid panels.

3. When installing UPVC sandwich panels, roof purlins should be spaced no further than 1 meter apart. The distance between purlins are important and should be considered before installing.

 

 

UPVC sandwich panels fire risk

UPVC roofing and wall panels and sheets have excellent fire resistant. They are non-combustible and fire retardant sheets.

 

 

About Sepidfam Varna &#; UPVC sheets & Sandwich Panels

Sepidfam Varna is the first manufacturer of UPVC sheets & Sandwich panels for roof and wall coating in Iran.

Our distribution Companies will ship our products to African and Middle East countries: Abu Dhabi - Sharjah - Dubai, UAE. Oman, Qatar, Armenia, etc.

 

For more information on UPVC sheets and sandwich panel&#;s price, Please leave a message or contact us at:

 

No: +98 912 962

:

If you want to learn more, please visit our website cleanroom wall systems.