#insulated pipe

Heating, Ventilation, and Air Conditioning (HVAC) systems are essential for maintaining comfortable indoor environments in residential, commercial, and industrial buildings. However, the overall performance of an HVAC system depends not only on chillers, boilers, and air handling units but also on the efficiency of the piping network that distributes heated or chilled fluids. One of the most effective ways to enhance HVAC performance is by incorporating pre-insulated pipe technology.

Pre-insulated pipes are specially designed piping systems that come with built-in thermal insulation and an external protective casing. Unlike conventional piping, where insulation is applied on-site, pre-insulated pipes are manufactured under controlled factory conditions to ensure uniform insulation thickness and superior quality. This advanced design significantly reduces energy loss and improves the operational efficiency of HVAC systems.

Understanding Heat Loss in HVAC Systems

In HVAC systems, chilled or hot water is transported from the central plant to different areas of a building. During this process, heat transfer can occur between the pipe and the surrounding environment. In cooling systems, unwanted heat gain increases the load on chillers. In heating systems, heat loss reduces efficiency and requires additional energy input to maintain the desired temperature.

Even minor temperature variations across long piping distances can result in significant energy waste over time. Traditional insulation methods may have gaps, inconsistencies, or moisture intrusion, all of which compromise performance. Pre-insulated pipe technology addresses these challenges by offering a sealed, continuous insulation layer that minimizes thermal exchange.

Enhanced Thermal Efficiency

The primary advantage of pre-insulated pipes in HVAC systems is superior thermal efficiency. These pipes typically consist of three layers:

A carrier pipe that transports the fluid

A high-performance insulation layer, often polyurethane foam

A durable outer jacket that protects against environmental damage

The insulation layer has a low thermal conductivity, which reduces heat transfer between the fluid and the external environment. This ensures that chilled water remains cold and hot water retains its temperature throughout the distribution network. As a result, HVAC systems operate more efficiently with reduced energy consumption.

Reduced Energy Consumption and Operating Costs

Energy efficiency directly impacts operating costs. When heat loss or gain is minimized, HVAC equipment such as chillers and boilers do not need to work as hard to compensate for temperature changes. This leads to lower electricity or fuel consumption.

Over time, the savings in energy bills can be substantial, especially in large commercial complexes, hospitals, airports, and industrial facilities where HVAC systems operate continuously. By improving thermal retention, pre-insulated pipe systems contribute to long-term cost efficiency and a lower carbon footprint.

Prevention of Condensation and Moisture Issues

Condensation is a common problem in chilled water systems. When warm air comes into contact with cold pipe surfaces, moisture forms, potentially leading to corrosion, mold growth, and insulation degradation. Traditional insulation applied on-site may allow air gaps or moisture penetration, increasing the risk of system damage.

Pre-insulated pipes are manufactured with a sealed outer casing that acts as a vapor barrier. This prevents moisture intrusion and protects the insulation layer from deterioration. By reducing condensation risks, these systems improve durability and maintain consistent HVAC performance over time.

Improved Installation Efficiency

Another major benefit of pre-insulated pipe technology is simplified installation. Since insulation is pre-applied at the factory, on-site labor is significantly reduced. Contractors do not need to insulate pipes after installation, which shortens project timelines and reduces labor costs.

Factory-controlled production also ensures uniform insulation thickness and quality, eliminating inconsistencies that often occur with manual insulation. Faster installation not only accelerates project completion but also minimizes disruption in occupied buildings.

Long-Term Durability and Reliability

HVAC systems are long-term investments, and the durability of piping networks plays a crucial role in system reliability. Pre-insulated pipes are designed to withstand environmental stresses such as temperature fluctuations, mechanical impact, and exposure to moisture.

The outer protective jacket safeguards the insulation and carrier pipe from corrosion and physical damage. This extended lifespan reduces the need for frequent repairs and maintenance, ensuring uninterrupted HVAC operation.

Better System Performance in District Cooling and Large Facilities

Pre-insulated pipe technology is especially valuable in district cooling systems and large infrastructure projects. In such setups, chilled water must travel long distances between the central plant and multiple buildings. Even small temperature losses can significantly affect efficiency across the network.

By maintaining consistent fluid temperatures, pre-insulated pipes enhance overall system performance. They ensure that end users receive the desired heating or cooling effect without excessive energy consumption.

Environmental and Sustainability Benefits

Modern building designs increasingly prioritize sustainability and energy efficiency. Pre-insulated piping systems align with green building standards by reducing energy waste and lowering greenhouse gas emissions.

Improved thermal performance translates to reduced demand on HVAC equipment, which in turn decreases energy production requirements. This contributes to environmental conservation and supports sustainable construction practices.

Minimizing Maintenance and Downtime

Traditional insulation can degrade over time due to exposure to moisture, physical wear, or improper installation. This may lead to hidden energy losses and increased maintenance costs. Pre-insulated pipes, on the other hand, offer a more robust and secure solution.

With fewer insulation failures and reduced risk of corrosion, maintenance requirements are significantly lowered. This minimizes downtime and ensures consistent indoor comfort.

Efficient HVAC Solutions with JGB Qatar

Improving HVAC performance goes beyond selecting high-efficiency equipment; it requires optimizing every component of the system, including the piping network. Pre-insulated pipe technology plays a vital role in enhancing thermal efficiency, reducing energy consumption, preventing condensation, and ensuring long-term durability.

Pre-insulated pipes are widely used in district heating, district cooling, oil & gas, and industrial applications because they offer excellent thermal efficiency, corrosion protection, and long service life. However, even the highest-quality pre-insulated pipe system can fail prematurely if installation is not done correctly. Many performance issues, such as heat loss, water ingress, corrosion, and unexpected breakdowns, are often the result of avoidable installation mistakes rather than product defects.

Understanding these common errors and knowing how to avoid them is essential for contractors, engineers, and project managers to ensure long-term system reliability.

1. Inadequate Site Preparation

One of the most frequent mistakes during pre-insulated pipe installation is poor site preparation. Trenches that are uneven, improperly compacted, or filled with sharp stones can damage the outer casing of the pipe. Insufficient trench depth may also expose pipes to mechanical stress, temperature variations, or external loads.

Proper excavation, soil assessment, and bedding preparation are critical. A well-compacted sand bed helps evenly distribute load and prevents point pressure that could compromise the protective casing over time.

2. Incorrect Handling and Storage of Pipes

Pre-insulated pipes are often damaged before installation even begins. Rough handling during loading, unloading, or transportation can cause cracks in the outer jacket or insulation layer. Storing pipes directly on the ground without supports may lead to deformation or contamination.

Pipes should always be lifted using appropriate slings, stored on flat surfaces with adequate supports, and protected from direct sunlight and moisture. Ignoring these precautions can significantly reduce the pipe’s lifespan.

3. Poor Jointing and Welding Practices

Jointing is one of the most critical stages in installing pre-insulated pipes. Improper welding of carrier pipes or poorly sealed joints can result in leaks, insulation damage, and water ingress. Inadequate curing of joint insulation materials is another common issue.

All welding must follow approved procedures and be carried out by certified professionals. Joint insulation and casing seals must be installed carefully and tested to ensure they are fully watertight before backfilling.

4. Failure to Ensure Proper Alignment

Misalignment during installation can create stress points in the pipeline. When pipes are forced into position instead of being correctly aligned, it increases the risk of joint failure, cracking, and long-term structural damage.

Accurate alignment tools and careful planning should be used to maintain straight runs and correct angles. Expansion loops and bends must be installed exactly as designed to accommodate thermal movement.

5. Ignoring Thermal Expansion Requirements

Pre-insulated pipes are designed to handle temperature changes, but only when thermal expansion is properly accounted for. One common mistake is failing to install expansion compensators, loops, or anchors as specified in the design.

Ignoring thermal movement can lead to pipe buckling, joint separation, or casing damage. Engineers must ensure that expansion calculations are followed and that fixed points and sliding supports are correctly positioned.

6. Inadequate Moisture Protection

Moisture is one of the biggest enemies of pre-insulated pipe systems. Improper sealing at joints, damaged outer jackets, or poor drainage around the pipeline can allow water to enter the insulation layer. Once moisture is present, insulation performance drops rapidly, and corrosion risks increase.

All casing joints must be fully sealed, and drainage systems should be designed to prevent water accumulation. Any damage to the outer jacket should be repaired immediately before backfilling.

7. Skipping Pressure and Leak Testing

Another major installation mistake is skipping or rushing pressure and leak testing. Some installers proceed with backfilling before fully testing the system, assuming that minor issues can be fixed later. This often leads to costly excavations and downtime.

Pressure testing should be conducted according to industry standards before insulation and after joint completion. Leak detection systems, if included, should also be tested to ensure they are functioning correctly.

8. Improper Backfilling Techniques

Backfilling is not just about covering the pipes. Using unsuitable materials, dumping soil directly onto the pipe, or failing to compact layers properly can damage the casing and joints. Sharp debris or heavy mechanical compaction too close to the pipe can cause cracks or deformation.

Backfilling should be done in layers using approved materials, with careful compaction around the pipe. Protective warning tapes and marker systems should also be installed to prevent future excavation damage.

9. Neglecting Quality Control and Supervision

Lack of supervision and quality control is a root cause of many installation errors. Without proper inspection at each stage, small mistakes can go unnoticed until they turn into major failures.

Regular inspections, documentation, and adherence to manufacturer guidelines are essential. Quality checks should cover handling, welding, jointing, insulation, testing, and backfilling processes.

10. Not Following Manufacturer Guidelines

Every pre-insulated pipe system has specific installation requirements. Ignoring manufacturer recommendations regarding bending radius, joint kits, curing time, or temperature limits can severely impact performance.

Installers must be trained on the specific system being used and follow all technical manuals and guidelines. Deviating from these instructions often voids warranties and increases long-term risk.

Importance of Proper Installation

Pre-insulated pipes are engineered for durability and efficiency, but their performance depends heavily on correct installation. Most failures are not caused by material defects but by avoidable mistakes made during handling, jointing, alignment, or backfilling. By focusing on proper planning, skilled workmanship, thorough testing, and strict quality control, JGB Qatar helps ensure these common installation errors are effectively avoided.

Pre-insulated pipes play a crucial role in extending the service life of pipelines while significantly reducing maintenance costs across industries such as district heating and cooling, oil and gas, HVAC, and industrial utilities. By integrating insulation, protective layers, and carrier pipes into a single engineered system, pre-insulated piping offers long-term performance advantages that conventional piping systems often struggle to achieve. Partnering with a reliable Pre-Insulated pipe supplier in Qatar ensures access to high-quality materials, advanced manufacturing standards, and systems designed to withstand demanding operating and environmental conditions, ultimately supporting durable, efficient, and cost-effective pipeline solutions.

Superior Protection Against Corrosion

One of the primary causes of pipeline failure is corrosion. In traditional piping systems, exposure to moisture, soil chemicals, and environmental conditions gradually degrades the pipe surface. Pre-insulated pipes are designed with multiple protective layers, typically consisting of a steel or service pipe, high-performance insulation such as polyurethane (PUR) foam, and an outer protective casing made from materials like high-density polyethylene (HDPE). This multilayer construction creates a robust barrier that prevents water ingress and shields the carrier pipe from corrosive elements. As a result, corrosion rates are dramatically reduced, extending the pipeline’s operational lifespan.

Consistent Thermal Insulation and Reduced Thermal Stress

Thermal stress is another factor that shortens pipeline life. Temperature fluctuations cause pipes to expand and contract, leading to fatigue, joint failure, and eventual leaks. Pre-insulated pipes maintain consistent thermal conditions along the pipeline by minimizing heat loss or heat gain. The insulation layer stabilizes operating temperatures, reducing thermal cycling and mechanical stress on the pipe material. This controlled thermal environment helps prevent cracks, deformation, and premature failure, particularly in systems carrying hot or chilled fluids.

Enhanced Structural Integrity

Pre-insulated pipes are factory-engineered and quality-controlled, ensuring uniform insulation thickness, proper bonding, and reliable joint systems. This standardized manufacturing process results in higher structural integrity compared to site-insulated or field-wrapped pipes. The outer casing provides mechanical protection against external loads, soil pressure, and accidental impacts during installation or operation. By safeguarding the carrier pipe from physical damage, pre-insulated systems maintain their structural strength over extended periods, reducing the likelihood of repairs or replacements.

Reduced Moisture Ingress and Leak Detection

Moisture intrusion is a major contributor to insulation degradation and pipe corrosion in conventional systems. Pre-insulated pipes are designed to be watertight, with sealed joints and protective casings that prevent groundwater infiltration. Many advanced pre-insulated pipe systems also incorporate leak detection systems, which allow operators to identify potential issues at an early stage. Early detection prevents minor leaks from escalating into major failures, reducing downtime, repair costs, and damage to surrounding infrastructure.

Lower Maintenance Requirements

Because pre-insulated pipes are highly resistant to corrosion, thermal stress, and mechanical damage, they require significantly less routine maintenance. Traditional piping systems often need frequent inspections, re-insulation, corrosion protection, and repairs, all of which increase operational costs. In contrast, pre-insulated pipelines maintain consistent performance with minimal intervention. Reduced maintenance frequency translates into lower labor costs, fewer service interruptions, and improved system reliability over the pipeline’s lifecycle.

Extended Service Life and Lifecycle Cost Savings

The durability of pre-insulated pipes directly contributes to a longer service life, often exceeding 30 to 50 years when properly designed and installed. While the initial investment may be higher than conventional piping, the long-term cost benefits are substantial. Lower maintenance expenses, reduced energy losses, fewer repairs, and extended replacement intervals result in significant lifecycle cost savings. Over time, these savings outweigh the upfront costs, making pre-insulated pipes a cost-effective solution for long-term infrastructure projects.

Improved Installation Efficiency and Quality

Pre-insulated pipes are supplied as complete systems, which simplifies installation and reduces the risk of on-site errors. Faster and more controlled installation minimizes exposure to environmental conditions that could compromise pipe quality. Proper installation further enhances pipeline longevity by ensuring secure joints, consistent insulation performance, and reliable sealing. Reduced installation time also lowers labor costs and minimizes project delays, contributing to overall cost efficiency.

Environmental and Operational Benefits

By reducing heat loss and improving energy efficiency, pre-insulated pipes decrease energy consumption and associated operational costs. Lower energy demand reduces stress on the system and supports sustainable operations. Additionally, fewer repairs and replacements mean less material waste and reduced environmental impact over the pipeline’s lifetime.

Extended Life, Lower Maintenance

The demand for energy-efficient and reliable piping systems is increasing across industrial, commercial, and residential sectors worldwide. Among the most advanced solutions available today are pre-insulated pipe systems engineered to provide exceptional thermal insulation, durability, and long-term performance. These systems play a crucial role in district cooling, industrial applications, and sustainable building environments. Let’s dive deeper into what pre-insulated pipes are, how they work, and why they are essential for today’s energy-efficient infrastructure.

What Are Pre-Insulated Pipes?

Pre-insulated pipes are specialized piping systems designed to minimize energy loss during the transportation of hot or cold fluids. Each pipe consists of three key layers:

Carrier Pipe: Typically made of durable materials like steel, responsible for carrying fluid.

Insulation Layer: A high-performance polyurethane foam layer that provides superior thermal insulation.

Outer Casing: Made from high-density polyethylene (HDPE) for external protection.

Together, these components form a fully bonded system that includes pre-insulated fittings, valves, and casing joints, resulting in excellent energy efficiency and operational reliability. With proper design and installation, pre-insulated pipe systems offer an estimated lifespan of 50 years or more, making them a long-term investment for infrastructure development.

Key Applications of Pre-Insulated Pipes

Pre-insulated pipes are versatile and widely used across multiple industries. Their primary application is in district cooling networks, where chilled water is transported from a central cooling plant to various buildings such as residences, offices, malls, and industries. This centralized cooling approach offers superior efficiency compared to traditional air-conditioning systems.

Additionally, these pipes are used in:

District heating systems

Chemical and pharmaceutical industries

Petrochemical plants

Food processing facilities

Wastewater and hot water transport systems

Oil and industrial beverage transportation

Their durability, insulation quality, and corrosion resistance make them ideal for demanding environments and continuous-operation systems.

Why District Cooling Is a Smarter Choice

Traditional air-conditioning systems require significant electrical power but offer limited efficiency. District cooling, on the other hand, provides a high-capacity, centralized cooling model that delivers superior performance. It is more than twice as efficient as conventional AC systems and significantly reduces power consumption, especially during peak cooling demand. As a result, district cooling supports environmental sustainability, energy conservation, and improved comfort for building occupants — making it essential in modern smart cities.

Why JGB Qatar Leads in Pre-Insulated Pipe Technology

JGB Qatar is recognized as a global leader in supplying pre-insulated bonded carbon steel pipes featuring polyurethane foam insulation and HDPE casing. Their systems are engineered to meet rigorous performance and durability requirements for district cooling and other industrial applications.

What sets JGB Qatar apart is its commitment to international standards. JGB Qatar’s products comply with EN17415-1, EN17415-2, EN17415-3, EN489, and related certifications. These standards ensure product quality, safety, and a minimum 50-year technical lifetime when correctly installed. For example, EN17415-1 governs factory-made pipe assemblies, while EN489 ensures all casing joints undergo strict type testing for underground networks.

Sustainable Infrastructure Ahead

The construction industry is becoming more conscious of the need for energy conservation and sustainable practices. In this regard, selecting the right insulated piping solution—such as those provided by JGB Qatar—plays a crucial role. These advanced piping systems deliver not only immediate benefits in efficiency and durability but also support the growing movement toward greener construction methods and sustainable operational standards, making JGB Qatar a trusted partner in modern infrastructure.

This article delves into the diverse uses of pre-insulated pipes, as well as their setup, upkeep, and the innovative technologies shaping their current role and future potential.

What are Pre-Insulated Pipes?

Pre-insulated pipes represent a modern and highly effective solution in construction and engineering. They are integrated fluid transport systems made up of a core pipe (also referred to as a service or inner pipe), thermal insulation, and a protective outer jacket.

These piping systems are engineered to carry fluids—such as hot water, steam, or chilled liquids—while significantly reducing thermal energy loss. They offer the most reliable and efficient option for projects requiring high-performance insulation.

Benefits of Pre-Insulated Pipes

Pre-insulated pipes offer excellent efficiency and functionality across a wide range of industrial, commercial, and urban settings. Below are some of their key advantages:

Energy efficiency: Integrated insulation significantly reduces heat or cooling losses, resulting in lower energy consumption and reduced operating costs.

Durability and strength: Pre-insulated pipes, especially those made of polypropylene, are known for their resistance to corrosion and their ability to withstand harsh environmental conditions, ensuring a long service life of the piping system.

Ease installation: As prefabricated systems, pre-insulated pipes are easy to transport and install. This reduces installation times and labour costs, streamlining the construction process and improving the profitability of projects.

Adaptability to the environment: Pre-insulated pipes are versatile and adapt to a variety of environments. They are suitable for both indoor and underground installations, as well as for outdoor applications due to their resistance to UV radiation.

Low thermal conductivity: The low thermal conductivity of the insulating material used in pre-insulated pipes ensures excellent temperature retention. This minimises heat or cooling losses during fluid transport, ensuring better thermal performance and energy efficiency.

Pre-Insulated Pipe Applications

Pre-insulated pipes are widely used thanks to their energy-saving properties and capacity to preserve stable fluid temperatures. Their application is especially prominent in the following sectors:

Heating and cooling systems: Pre-insulated pipes are ideal for heating and cooling systems in residential, commercial and industrial buildings. Their ability to minimise heat loss and maintain a constant fluid temperature allows for efficient operation and energy savings in these installations.

Energy distribution networks: Pre-insulated pipes are widely used in energy distribution networks, such as steam and hot water systems, where it is essential to maintain temperature and energy efficiency over long distances.

Geothermal power plants: These pipes are an optimal solution for geothermal power plants, where the transport of hot fluids from underground to the surface requires efficient and durable thermal insulation.

Industrial processes: In industrial environments where fluids are handled at controlled temperatures, such as in the chemical or food industry, pre-insulated pipes ensure safe and efficient transport.

Areas Where Pre-Insulated Pipes Can Be Installed

Because this type of pipe is appropriate for both indoor and outdoor or buried installations, its versatility makes it suitable for a multitude of spaces, among them:

Residential and commercial buildings

Industrial installations

Urban infrastructure

Conclusion

Pre-insulated pipe systems are essential for efficient thermal insulation in district cooling, heating, and industrial applications, minimizing energy loss and enhancing durability. With growing demand for sustainable infrastructure, advancements in insulation materials and joint technology have significantly improved system performance. JGB Qatar, a leading supplier in the region, offers high-quality, innovative pre-insulated pipe solutions, making it the best option for reliable and energy-efficient piping systems in modern projects.

Advanced Piping Efficiency

A pre-insulated piping system is a modern solution designed for thermal distribution applications such as heating, cooling, and the transfer of fluids like domestic water or industrial liquids. These pipes feature a specialized insulated construction that significantly reduces thermal loss, thereby enhancing the overall energy performance and operational efficiency of the system.

Construction of pre-insulated pipes:

Conveying (inner) pipe – typically made of steel, copper, plastics (e.g., polyethylene), or other materials resistant to the medium being transmitted through the installation. Its primary function is to transport liquids or gases.

Thermal insulation surrounds the conveying pipe and is usually made of polyurethane foam (PUR), which has excellent insulating properties. This insulation minimizes heat or cold loss during the transport of the medium over long distances.

Protective (outer) casing – the outer layer made of polyethylene (PE), polypropylene (PP), or other plastics, protecting the system from mechanical damage, moisture, and atmospheric factors.

Easy and Fast Installation – Pre-insulated pipes are often prefabricated in sections, making them easier and quicker to install, reducing labor costs and on-site construction time.

Leak Detection Systems – Advanced pre-insulated pipe systems can include integrated leak detection wires within the insulation layer, allowing real-time monitoring and early detection of failures or moisture penetration.

In more sophisticated systems, pre-insulated pipes may include an integrated leak monitoring system that continuously assesses the pipeline’s condition and enables early identification of possible moisture intrusion or failures.

Advantages of the pre-insulated pipe system:

1. Minimization of heat loss – due to the insulating layer, energy losses are significantly lower compared to traditional pipes.

2. Protection against weather conditions – the outer casing protects the installation from external factors such as moisture, UV radiation, or mechanical damage.

3. Ease of installation – pre-insulated pipes are prefabricated and delivered to the site ready for installation, which shortens the installation time.

4. Low maintenance requirements – the system is durable and corrosion-resistant, reducing the need for frequent maintenance.

5. Extended lifespan – thanks to proper protection and insulating properties, a pre-insulated pipe system can operate for many years without the need for repairs.

Pre-insulated piping systems are extensively utilized in district heating grids, industrial facilities, housing developments, and other areas where thermal efficiency and dependable performance are essential.

Why JGB Qatar Leads as a Trusted Pre-Insulated Pipe Supplier in Qatar

Pre-insulated piping systems are ideal for both heating and cooling applications, engineered to reduce energy loss significantly. At JGB Qatar, we offer these systems as one of the most effective solutions for setups requiring reliable thermal insulation.

Pre-insulated systems are adaptable to numerous types of installation environments, with a diverse range of pipe solutions available at JGB Qatar to meet the needs of different end-user sectors.

District heating and cooling

Hot and cold water distribution networks and HVAC systems.

Data Centres

Oil and gas (high and low temperature fluid transport)

Infrastructure and utilities

The advantages of using pre-insulated pipes are :

Quick and easy installation

Flexibility in design

Sustainability and reduced environmental impact

Energy saving and reduction of thermal losses.

Corrosion protection and longer service life

Among the various insulation options available, using rigid polyurethane foam for pipe thermal insulation has emerged as a highly effective choice, offering superior performance for several key reasons:

Thermal insulation: It is one of the thermal insulation products with the lowest thermal conductivity coefficient. It guarantees a low insulation thickness thanks to the low thermal conductivity coefficient of the polyurethane foam.

Optimizes to the maximum the useful space, thanks to the fact that a minimum thickness is required to have a maximum level of thermal insulation.

Virtually no water absorption thanks to the closed cell structure of the polyurethane.

Mechanical characteristics that provide the pipes with high stiffness and lightweight properties, making transport, handling, installation, and structural planning more efficient and cost-effective. Additionally, they are easy to cut and shape during processing

Pre-insulated pipes are lightweight, pre-manufactured components that are easy to transport to construction sites. Whether used in residential or industrial buildings, the installation of polyurethane-insulated pipes results in minimal material waste, contributing to a more eco-friendly construction process. These pipes are also recyclable, with polyurethane being recoverable through methods such as mechanical and chemical recycling, or energy recovery via incineration. Their excellent insulation properties aid in lowering overall energy usage.

At JGB Qatar, with our extensive portfolio of industrial solutions, we offer multiple two-component systems specifically developed for various uses, including pipe insulation and filling.

Under the specified processing conditions, Component A (a formulated polyol) reacts with Component B (isocyanate) to form a rigid polyurethane (PUR) foam with a closed-cell structure.

In turn, the Polyol is formulated with 4th generation foaming agents, which cause very low global warming.