Polyurethane Sandwich Panel Manufacturer 

Polyurethane Sandwich Panel-An Ultimate FAQ Guide

The Polyurethane Sandwich Panel is gaining popularity in the market because of its vast applications in residential, commercial as well as industrial areas.

Its durability, cost-effectiveness, and lightweight make it best to be used for these applications.

It also helps in increasing the building’s thermal performance and aids in improving the building’s structural efficiency.

It offers a high strength-to-weight ratio and comes with a significant decrease in the expenditure of installation of the framework and building the foundation.

Moreover, it also possesses excellent structural efficiency due to which it can support the structure’s weight without undergoing deformation.

A Polyurethane Sandwich Panel offers great sound insulation, mass production, and reusability.

It is featured with long-spanning properties, transportability, and enhanced durability. To know more about it, keep reading.

Polyurethane Sandwich Panel for Commercial Buildings

1.What is Polyurethane Sandwich Panel?
2.What are the Features of a Polyurethane Sandwich Panel?
3.What are Moisture Repellent Properties of the Polyurethane Sandwich Panel Construction?
4.Why Polyurethane Sandwich Panel is more Stable than the EPS and XPS Sandwich Panel?
5.What are the Applications of a Polyurethane Sandwich Panel?
6.What are the Benefits of Using the Polyurethane Sandwich Panel?
7.What is the Difference Between the Insulation Value of a Polyurethane Sandwich Panel and a Rockwool Sandwich Panel?
8.Is a Polyurethane Sandwich Panel Sound Insulated?
9.How does the Insulating Core of Polyurethane Sandwich Panel is Differ from the Rockwool Sandwich Panel?
10.How to Prepare for the Installation of your Polyurethane Sandwich Panel?
11.What is the Installation Technique for your Polyurethane Sandwich Panel?
12.How can you Clean your Polyurethane Sandwich Panel?
13.How to Maintain your Polyurethane Sandwich Panel?
14.How can you Reduce your Property Damage Chances by using the Polyurethane Sandwich Panel?
15.What Instructions to Follow while Purchasing your Polyurethane Sandwich Panel?
16.What is the Durability of a Polyurethane Sandwich Panel?
17.Conclusion

What is Polyurethane Sandwich Panel?

Polyurethane Sandwich Panel is a construction material that protects your buildings from external bad influences and offers a suitable and economical solution for your building structure’s longer lifespan.

Polyurethane Sandwich Panel also offers high fire-resistance, conductivity, anti-ceramic, and environment-friendly eco to your buildings.

The exterior and inner layers of the Polyurethane Sandwich Panel are two colored galvanized or aluminum ridged plates, with high thickness polyurethane foam in the middle.

In terms of weight flexibility and heavyweight carrier, it is versatile. Its core material has great thermal stability which makes it useable in the market and prevents cracks.

Its coated layers enhance the appearance of walls and roofs. Even if they are mounted on the upper surface of bricks, their core material protects the building.

For mechanical plants, coordination’s stockpiling, and partition and rooftop walled in area frameworks for incorporated residences, Polyurethane Sandwich Panels are commonly used.

Sunnyda Polyurethane Sandwich Panel

What are the Features of a Polyurethane Sandwich Panel?

Some excellent features of the Polyurethane Sandwich Panel are listed below:

Core Material Specification

Unbending polyurethane froth, or polyurethane, is a term for polyurethane inflexible foam.

It’s made of isocyanate and polymer polyol, which are compressed by an injection molding machine to insert between steel plates. The steel facings are put inside molds to roll. While polyurethane liquid is injected under high pressure, providing great insulation to the panel.

Firm Grip

Wood, steel, black-top, elastic, and other materials can be frequently reinforced on the outside.

It is fixed in general, with no depression and consistent holding, allowing it to adapt to various states of the base surface and potentially expand the protection impact.

Size Security

Polyurethane Sandwich Panels has size security of less than 1%, is durable, has a 5-percentage-point prolongation, and will not break.

Its core density is 40kg/m3, compressive strength > 350kPa, elasticity > 435kPa, with robust breeze resistance, capable of bearing the weight of 39kg/m2 of outward-looking without tumbling, which make it adaptive for load-bearing in every kind of building.

Physical Feathers

Physical feathers of the Polyurethane Sandwich Panel are:

• The thickness of the Polyurethane Sandwich Panel ranges from 40mm to 100mm.

• The length range is from 2m to 12m.

• The width can be considered effective if it is 1000mm.

• RAL colors provide significant beautification to Polyurethane Sandwich Panel.

Appealing Look Polyurethane Sandwich Panel

What are Moisture Repellent Properties of the Polyurethane Sandwich Panel Construction?

The main moisture repellant properties are:

• 1% (by mass) moisture content in the material

• Non-hygroscopic (does not take up or retain moisture)

• Water repellant (does not allow easy water penetration). It has the excellent waterproof capability, as its completion rate is greater than 92%.

• Non-capillary (does not hold water)

• Shows no moisture absorbance from the air

Waterproof Polyurethane Sandwich Panel

Why Polyurethane Sandwich Panel is more Stable than the EPS and XPS Sandwich Panel?

The Polyurethane Sandwich Panel is more stable than the EPS and XPS sandwich panels in the following properties:

Warm Protection Execution

A polyurethane unbending layer has a warm conductivity of 0.028w/m.k, EPS has a warm conductivity of 0.047w/m.k, and XPS has a warm conductivity of 0.058w/m.k.

Thus, the unbending polyurethane froth has the lowest warm conductivity.

Execution of Fixing

EPS and XPS Sandwich Panel is fixed with holes and holes, and outside air can easily pass through the holes and pits, altering the protection execution.

While Polyurethane Sandwich Panel is easy to install, with its compact structure having the great capability to resist humidity and water absorption. It is featured with superb airtightness.

Wind Resistance and the Bearing Limit of the Opposing Block Layer

Polyurethane Sandwich Panel has a thickness range of 40mm to 100mm, bond strength of 0.7MPa, and is fully prepared to support raised structures.

In any event, the dry elasticity of the EPS froth board is just 0.3 MPa, and the bond stiffness after soaking is even lower.

As a result, EPS foam boards cannot be used in most tall structures. Steel wire lattice and plastic nails are also necessary when confronting blocks of towering buildings that are glued.

Un-Breakable Performances

The polyurethane framework is splashed frequently, its protective solidity is 40 °C, and the size change rate is less than 2%. It is elastic enough for high weightage structures. It can bear a specific weight without breaking.

Before they can be used in the development, EPS froth and XPS must be debased for 60 days, which is difficult to achieve in a functioning application.

As a result of this, numerous cracks, cold infiltration, and halogen return of separators may be discovered in EPS protection projects all over the globe.

Waterproof Execution

Polyurethane Rigid Foam completion rate of 92%, the self-cleaning completion rate of 99.9%, especially make the panel waterproof. The core part is made of organic material, resisting water absorption.

With obstructing voids in EPS, the XPS panel’s core for depression glue,  water is not difficult to enter the room through breaks and pits.

Fire-Resistance

Polyurethane foam has self-smothering carbonization for fire resistance, but with consistent flame presence, it can catch the fire. Sudden with flame disappearing, fire will be stopped to explore.

When XPS and EPS come into contact with fire at high temperatures, the liquid drops cause the partition to fall off and the fire to spread.

EPS Sandwich Panel

What are the Applications of a Polyurethane Sandwich Panel?

Some major applications of a Polyurethane Sandwich Panel are:

Fire-Resistant Buildings

It has two exterior metals and core insulation of high-density basalt. It is frequently used for fire resistance due to its outstanding thermal and fire insulation properties.

Office, educational, and hospital buildings are majorly considered.

Insulated Structures

It is the most reliable acoustic insulator utilized. It is the best heat-resisting unit with temperature regulating properties.

Steel structure manufacturing buildings, activity rooms, roofs, walls, and ceilings, are all common uses.

Customizable Housing

Polyurethane Sandwich Panel can be easily customized considering your specific demands for maximum efficiency and performance.

This makes it useful to be installed in house roofing, ceilings, and walls depending upon your house needs.

Dry and Cold Storages

It is used in different areas like pharmacies and electronics which require dry storage.

Sometimes it is also good to be used for cold storage due to its excellent insulation and hydrophobic properties.

Sound Proof Buildings

It can also be used in hospitals and recording studios as it has excellent soundproofing attributes which provide a barrier to the sounds coming from the outside.

Polyurethane Sandwich Panel Applications

What are the Benefits of Using the Polyurethane Sandwich Panel?

The excellent qualities of a Polyurethane Sandwich Panel make it good to be used for fire protection, thermal insulation, sound absorption, and sound insulation purposes.

Some of its great benefits are:

Excellent Fire Performance

Polyurethane Sandwich Panel is made with fire-resistant raw materials, manufacturing techniques, and formulas. It has a B1 rating for fire-resistant performance.

Anti-Corrosive

It is made up of multiple layers, including a core with thermal insulation, steel claddings (external and internal), and coatings that protect against mechanical damage and corrosion.

Good Thermal Insulation

Its thermal insulation performance is based on its heat conductivity which is calculated by estimating the thickness of the core material used.

The calculated heat conductivity is around 0.028W/m2K. It is a low value representing the great insulating properties of the panel with high thermal resistance.

Excellent Sound Insulation

The polyurethane core greatly limits excessive noise which makes it ideal for designated flights. Furthermore, rain and hail sound on the building are greatly reduced due to its excellent sound insulation properties.

Sound Absorption

The Polyurethane Sandwich Panel also has a good suction effect. It can absorb sound across a wide frequency range. Its sound absorption coefficient is about 0.8 for a sound frequency of about 2000 Hz.

Polyurethane Sandwich Panel with Sound Absorption Quality

What is the Difference Between the Insulation Value of a Polyurethane Sandwich Panel and a Rockwool Sandwich Panel?

A Polyurethane Sandwich Panel possesses a higher insulation value (R-Value) than a Rockwool Sandwich Panel.

This means that the insulation provided by Polyurethane is more than Rockwool even if the insulation thickness is kept constant.

If a Polyurethane core is 50mm thick the insulation provided by it would be equal to the insulation provided by an 80mm thick Rockwool core.

If you want to choose between these two options in terms of insulation properties, Polyurethane Sandwich Panel is the top recommendation.

Rockwool Sandwich Panel

Is a Polyurethane Sandwich Panel Sound Insulated?

Polyurethane Sandwich Panel has sound insulation. The core part of the panel is highly absorbent with low density.

The cellular compartments and porous featuring enable the panel to absorb sounds to a great extent and prevents echo and noise inside the buildings, hospitals, or libraries where it is to be used.

The sound absorption coefficient of the polyurethane core is about 0.8. It makes insulation for the sounds of about 2000HZ.

How does the Insulating Core of Polyurethane Sandwich Panel Differ from the Rockwool Sandwich Panel?

Polyurethane Insulation Panel Core

Polyurethane foam is used in making the insulating core of the Polyurethane Sandwich Panel, which is why it is rigid.

When this foam is exposed to air, it undergoes the solidification process and helps in the gluing of both the plates together.

This leads to the formation of a monolithic product that exhibits high insulating value. This insulation is light, effective, and can attach to a variety of materials. It also has a low thermal conductivity and a wide range of manufacturing possibilities.

Rockwool Sandwich Panel Core

On the other hand, the core of the Rockwool Sandwich Panel is constructed using rock wool, which is commonly known as mineral wool.

It is produced by drawing rock materials, molten minerals, or spinning them like ceramics and slags.

It is useful in providing both pipe and structural insulation, hydroponic growth medium, and soundproofing.

How to Prepare for the Installation of your Polyurethane Sandwich Panel?

To prepare for the installation of your Polyurethane Sandwich Panel, consider these steps:

Safe Reception of the Product

Always double-check that the delivery matches the order and includes all of the goods listed in the dispatch notice.

Faulty deliveries, as well as any transportation damages, must be noted on the waybill, and the seller should be contacted as soon as possible.

Using the Right Tools for Lifting

A crane is used to unload products. Unloading using a forklift is also possible, but it must be done with extreme caution.

A lifting tool must be used for safe lifting and handling. The handling of the Polyurethane Sandwich Panel must be carried out under professional observation to avoid any accidents or damage.

Polyurethane Sandwich Panel Installation

Proper and Handy Storage

Make sure to place your Polyurethane Sandwich Panel at the site of installation to avoid any delays in the installation process.

Also, the environment of the storage and installation site must be good and safe for your Polyurethane Sandwich Panel.

What is the Installation Technique for your Polyurethane Sandwich Panel?

Follow these steps for proper installation of your Polyurethane Sandwich Panel:

Align

The Polyurethane Sandwich Panel can be hung longitudinally, vertically, or diagonally.

The writing on the panel tongue joints informs which way the facing should be fitted. Securing can be done with screws or attaching plates. The most common way of straight attachment to the building structure is screwing.

Avoid Gaps

You must guarantee that there is no gap in the attachment for protecting thermal insulation capabilities and tube surface drying.

To keep heat loss to a minimum, tight attachment must be ensured.

Tighten the Joints

When using the Polyurethane Sandwich Panel for outdoor insulation or where mechanical damage is a concern, it is advisable to use metal or plastic packaging on its surface.

In such cases also pay close attention to joint tightness and sealing. When used in cold climates, it must be coupled with a moisture-proof coating on the surface.

Screws or attaching plates can be used to properly secure your Polyurethane Sandwich Panel. The most frequent method of attachment is to screw it directly into the building structure.

Couple with Outer Sheath:

When the temperature exceeds 200 degrees celsius, the core insulation board must be coupled with a suitable outer sheath, ensuring that the product thickness and density do not change.

This will provide added thermal insulation to the core.

Use Heat Protected Nails

It must be used conjunctionally with the heat-protected nails to offer better thermal protection when subjected to high temperatures.

How can you Clean your Polyurethane Sandwich Panel?

Cleaning and sanitizing the Polyurethane Sandwich Panel without harming the coating is essential for its maintenance.

Here are a few points to help you reduce the damage during the cleaning process.

Diluted Cleaning Solvents

Concentrated cleaners, abrasive solutions, and solvents that might harm the surface of the Polyurethane Sandwich Panel should be used safely.

These can be used by diluting them and verifying the pH level of the solvent before the application.

The suggested and safe pH level range is 4-9. To remove oil and grease stains, a white spirit can be used in place of water and soap.

Rinse Using Water

The best option to clean stains from the surface is to use lukewarm water. Clean the surface from top to bottom using a cotton cloth and apply minimal pressure to ensure safe cleaning.

High-Pressure Water Cleaning

To get rid of the dense dirt layer use a high-pressure cleaning hose with care.

A safe distance of one meter should be maintained, and the water jet should not be aimed perpendicular to the surface to be cleaned.

If high-pressure steam is used, the temperature should not be higher than 30-50 degrees celsius.

Make it Dry after Cleaning

After you have done cleaning the immediate step should be to dry the surface using a towel or sponge-like material.

During cleaning with a water jet avoid pointing it directly towards the joints. This can cause the water to seep inside the joints leading to oxidation and rust problems.

How to Maintain your Polyurethane Sandwich Panel?

The Polyurethane Sandwich Panel’s upkeep is determined by its use, environmental variables, and assembly.

Here are a few problems that can occur with Polyurethane Sandwich Panel usage, along with their best solutions for ensuring maximum maintenance and efficiency.

Dirt Stains on the Surface

Dirt accumulation or stains on the surface can be cleaned using a wiping cloth.

Dents, Cuts, and Cracks to the Surface

Surface polish, dent filling, and restoration of the paint color are the solutions to these types of damages.

Delamination

In case of delamination, you can use clear glue to stick the plastic lamination back to the surface.

Corrosion

If the screws used for securing purposes are undergoing corrosion then they should be replaced immediately.

If the rusting occurs directly on the surface then rust cleaner should be used with caution to clean and protect the surface.

Free Movement

If any of the parts are moving freely and displacing from the place of attachment, the screws and other fastening nuts or bolts should be checked and tightened if loose.

In case of damage, they should be replaced immediately. If a screw is missing from its attachment site it must be filled with a new one.

Load Distribution Operating on Ceiling and Roof Paneling

Polyurethane Sandwich Panel that is often subjected to excessive loads must be mechanically protected.

Forbearing capacity, it must be covered with mineral fiberboards and capped with rigid boards. Loads should always be appropriately distributed to the load-bearing structure.

Polyurethane Roof Sandwich Panel

How can you Reduce your Property Damage Chances by using the Polyurethane Sandwich Panel?

To reduce property damage chances using Polyurethane Sandwich Panel, follow these instructions:

Use Non-Combustible Insulation

This is especially critical in smoke-sensitive environments such as data centers, food processing industries, semiconductor manufacturing plants, pharmaceutical plants, etc.

Using non-combustible insulation materials will provide fire protection to the installation areas.

Ensure that the Facings are in Direct Touch with the Insulation

Tightly connect the fasteners with the core to the faces. Use the fasteners according to your panel thickness to ensure the direct contact of facings and insulation.

Provide Appropriate Fire Protection

A properly constructed thermal barrier must be placed above the Polyurethane Sandwich Panel for added fire protection.

Perforations Should be Avoided

If your Polyurethane Sandwich Panel is pierced leading to chances of flammability and loss of surface integrity, consider the following solutions:

1. The hole should be neatly bored, and the gap should be filled with a suitable non-combustible thermal insulation material.

The penetrating pipe should also be inflammable.

2. Maintain excellent housekeeping in structures with Polyurethane Sandwich Panel installations.

Particular care should be taken to avoid storing combustibles near the installation sites.

3. Smoking is prohibited inside or within 11 meters (35 feet) of buildings featuring Polyurethane Sandwich Panel installations.
4. Perform yearly thermographic inspections by trained individuals, and any problems discovered should be solved as soon as possible.

What Instructions to Follow while Purchasing your Polyurethane Sandwich Panel?

This necessary information should be kept in consideration while purchasing your Polyurethane Sandwich Panel for getting the most benefit out of it:

• The length, width, and height should lie in the recommended range.

• The quality of the core material and faces must be extraordinary.

• The Polyurethane Sandwich Panel must be properly sealed.

• Complete fire risk checking should be tested.

What is the Durability of a Polyurethane Sandwich Panel?

On average, the normally expected durability of a Polyurethane Sandwich Panel is considered to be 5 to 20 years.

The main factor that decreases the durability is the steady degradation of the Polyurethane Sandwich Panel which weakens its strength properties.

This results in the weakening of the core itself or its bonding with the faces.

Conclusion

The Polyurethane Sandwich Panel is perfect to be used for thermal and sound insulation purposes.

Other benefits and applications of a Polyurethane Sandwich Panel have also been discussed in this article.

For better performance and enhanced durability of your Polyurethane Sandwich Panel, you must take care of its proper installation, timely cleaning, and regular maintenance.

100% Quality Tested Polyurethane Sandwich Panel

FAQs of Polyurethane Sandwich Panel.

Is a Polyurethane Sandwich Panel Environment Friendly?

Yes, a Polyurethane Sandwich Panel is environment-friendly as it is asbestos-free. It also does not contain any traces of CFCs or HFCs.

This makes it free from toxicity and safe for the environment. Inhaling asbestos in large quantity for a prolonged duration can cause irritation and damage to the air passageway which leads to lung problems.

Why should you use Fasteners for your Polyurethane Sandwich Panel?

Fasteners are good for providing efficient fastening to your Polyurethane Sandwich Panel for a prolonged duration. This is good for keeping the screws protected from corrosion.

What you must keep in mind while using fasteners is to avoid over tightening them as this can affect their strength and may also damage the surface of your Polyurethane Sandwich Panel.

Can you Walk on your Polyurethane Sandwich Panel?

Walking on your Polyurethane Sandwich Panel is generally not recommended until special requirements are fulfilled for this purpose.

Fireboards having excellent flexibility can be placed on the top of your Polyurethane Sandwich Panel to allow walking of one person at a time as they can bear a load of 100 kg on average.

For added performance, plywood boards are also placed above the fireboards to having more strength and weight-bearing ability.

How to Cut your Polyurethane Sandwich Panel?

To cut your Polyurethane Sandwich Panel it is recommended to use appropriate cutters under professional assistance.

A circular saw with carbide tipped cemented blade is the most widely used cutter for it. It is used at a negative angle for best results.

The best strategy during the cutting process is to mark the cutting directions first and then cut following those directions. This reduces the chances of mistakes and damage.

Is Hot Cutting Recommended for Polyurethane Sandwich Panel?

No, hot cutting is strictly not recommended for your Polyurethane Sandwich Panel.

It is because the hot blades can cause serious damage to the surface of your Polyurethane Sandwich Panel which may result in its deformation.

Using grinding machines is also not preferable as they release fire sparks, which damage the panel surface.

At what time Sealing the Outer Polyurethane Sandwich Panel Joints Required?

Sealing the outer Polyurethane Sandwich Panel joints is only required when the pressure of the wind exceeds 0.6kN/sqm.

If the pressure is lower than this value, sealing the outer joints is not required. In this situation, inner joint sealing is enough for efficient panel performance.

In the case of sealing outer joints, you must keep in mind to add the sealant at a distance of 20 millimeters.

What are the Safety Instructions to Follow During your Polyurethane Sandwich Panel Installation?

The main safety instructions to follow during the installation of your Polyurethane Sandwich Panel are to wear safety gloves and protective equipment during the handling process.

Also, firm attachment of the slings must be ensured along with taking special care along the corners and sharp edges.

For safe cutting use of respirators and goggles is strongly recommended. During the drilling process, additional handles must be installed on the drill for ensuring a better grip.

How can you Recycle Polyurethane Sandwich Panel Package Waste?

For recycling Polyurethane Sandwich Panel package waste keep the plastic wrapping separate to be utilized in plastic recycling or for recovering energy during waste ignition processes.

What are some Recommended Flashing Details to follow for a Polyurethane Sandwich Panel?

Maintain a space of at least 300 mm when fastening the flashings to your Polyurethane Sandwich Panel. Mark proper lines and fold the flashing following those lines.

The bending angle of the flashing should be 90 degrees. Always take the longer side and fold it on the shorter side for proper and finished overlapping.

How to Fix Small Dents on your Polyurethane Sandwich Panel?

For fixing small dents on your Polyurethane Sandwich Panel sand the affected area first and then clean it carefully.

After that fill the dent using a filler, let it dry and sand it until even. Finally, apply paint coating on the filled area twice for better appearance and protection.

How to Remove Graffiti from your Polyurethane Sandwich Panel Surface?

Use a cleaner spray or a cloth wet with graffiti cleanser on the dry graffiti and let it sit for around half a minute to five minutes to remove graffiti from your Polyurethane Sandwich Panel.

Wipe it down with a dry cloth before rinsing it with regular water.