Linear heat detectors (LHDs) are essential components in fire detection systems, widely used for their accuracy and reliability. These detectors are designed to sense temperature changes along their entire length, making them ideal for various modern infrastructure applications.

In this blog, we will explore the innovative applications of LHDs in modern infrastructure, including their role in protecting buildings, tunnels, industrial facilities, and renewable energy installations.

So, without any further ado, let’s have a look.

What Are Linear Heat Detectors?

Linear heat detectors are devices that detect heat along their entire length. Unlike traditional spot heat detectors, which monitor a specific point, LHDs provide continuous temperature sensing.

They consist of a cable with a core material that changes properties at a certain temperature, triggering an alarm. This continuous monitoring capability makes LHDs highly effective in detecting fires in large and complex environments.

Below are some of the applications of linear heat detectors in modern infrastructure.

●      Protecting Commercial Buildings

Commercial buildings, such as offices, shopping malls, and hotels, require robust fire detection systems to ensure the safety of occupants. LHDs are particularly useful in these environments because they can be installed in areas where conventional detectors might struggle.

For instance, they can be placed above ceilings, within HVAC ducts, or along cable trays to detect fires in hidden or hard-to-reach areas. Their ability to provide early warning of overheating or fire allows for timely evacuation and response, minimising potential damage and ensuring occupant safety.

●      Enhancing Tunnel Safety

Tunnels, whether for road or rail transportation, present unique challenges for fire detection due to their length and confined space. LHDs are well-suited for tunnel environments as they can cover long distances with a single cable run. Installed along the tunnel ceiling or walls, LHDs can detect temperature changes caused by vehicle fires, overheating equipment, or other sources of heat.

This early detection is crucial for initiating emergency protocols, activating ventilation systems, and guiding occupants to safety, thereby reducing the risk of catastrophic events.

●      Securing Industrial Facilities

Industrial facilities, including manufacturing plants, warehouses, and chemical processing units, often contain hazardous materials and equipment that can pose significant fire risks. LHDs offer a reliable solution for monitoring these environments.

They can be installed in areas with high fire risk, such as around machinery, storage areas for flammable materials, and conveyor systems. By providing continuous temperature monitoring, LHDs help identify potential fire hazards before they escalate, allowing for prompt intervention and reducing the likelihood of major incidents.

●      Safeguarding Renewable Energy Installations

Renewable energy installations, such as solar farms and wind farms, are critical components of modern infrastructure. However, these installations can also be vulnerable to fire risks, particularly due to electrical faults and overheating equipment. LHDs play a vital role in protecting these assets.

In solar farms, LHDs can be installed along the array of solar panels to detect overheating. In wind farms, they can monitor the temperature of electrical components within turbines. By providing early warning of potential fire hazards, LHDs help maintain the safety and efficiency of renewable energy operations.

●      Ensuring Safety in Parking Garages

Parking garages, especially those in urban areas, present unique fire detection challenges. Vehicles, with their flammable fuels and electrical systems, can pose fire risks. LHDs can be installed in parking garages to monitor temperature changes across large areas.

They are particularly effective in detecting fires in concealed spaces, such as beneath vehicles or in ventilation systems. By offering early detection, LHDs enable quick response to potential fires, ensuring the safety of both vehicles and occupants.

●      Monitoring Conveyor Systems

Conveyor systems are widely used in various industries, including mining, manufacturing, and logistics. These systems, while efficient, can be prone to overheating and fires due to friction and mechanical failures.

LHDs provide an effective solution for monitoring conveyor systems. Installed along the length of the conveyor, they can detect any unusual temperature rise, indicating potential issues. Early detection allows for immediate corrective action, preventing damage to the system and ensuring continuous operation.

Advantages of Linear Heat Detectors

LHDs offer several advantages that make them ideal for modern infrastructure applications. Some key benefits include the following.

●      Continuous Monitoring

LHDs provide continuous temperature sensing along their entire length, ensuring comprehensive coverage.

●      Early Detection

By detecting temperature changes early, LHDs enable prompt response to potential fire hazards.

●      Flexibility

LHDs can be installed in various environments, including concealed spaces and long-distance applications.

●      Durability

LHDs are designed to withstand harsh conditions, making them suitable for industrial and outdoor use.

●      Cost-Effectiveness

LHDs can cover large areas with a single cable run, reducing installation and maintenance costs.

Conclusion

Linear heat detectors are invaluable tools in modern infrastructure, offering reliable and early fire detection across a range of applications.

From commercial buildings and tunnels to industrial facilities and renewable energy installations, LHDs provide continuous monitoring and early warning, enhancing safety and reducing the risk of fire-related incidents.

As infrastructure continues to evolve, the role of LHDs in protecting valuable assets and ensuring occupant safety will remain crucial. Ensure safety with advanced linear heat detectors – order yours today, only from Greenbuild Supply!

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As the world shifts towards more sustainable practices, green building has become a significant focus in construction.

And one critical component that supports these efforts is the use of Low Smoke Zero Halogen (LSZH) conduits. Thus, this blog explores how LSZH conduits contribute to green building and sustainability goals, and provides an environmentally friendly alternative to traditional conduit materials.

So, let’s read on to find out more.

What is a LSZH Conduit?

Low Smoke Zero Halogen (LSZH) conduits are a type of electrical conduit made from materials that emit minimal smoke and no halogen when exposed to fire.

Traditional conduits are often made from materials like PVC (polyvinyl chloride), which release toxic fumes and dense smoke when burned. In contrast, LSZH conduits are designed to enhance safety and reduce environmental impact.

Environmental Benefits of LSZH Conduits

Now, let’s look at some of the environmental benefits of LSZH conduits.

●      Reduced Toxic Emissions

One of the most significant benefits of a LSZH conduit is its reduced toxic emissions. Traditional conduits, when burned, release harmful gases such as hydrogen chloride, which can combine with moisture to form hydrochloric acid.

This not only poses a threat to human health but also harms the environment. LSZH materials, on the other hand, do not release halogens, making them a safer and more environmentally friendly option.

●      Improved Air Quality

In the event of a fire, the use of LSZH conduits can significantly improve air quality. The low smoke emission from LSZH materials means that there is less particulate matter in the air, reducing the risk of smoke inhalation and making it easier for occupants to evacuate safely. This is particularly important in green buildings, where indoor air quality is a critical aspect of sustainability.

●      Safer Recycling and Disposal

The end-of-life disposal of construction materials is a crucial consideration in green building. Traditional PVC conduits can release harmful chemicals when disposed of improperly. In contrast, LSZH conduits are easier and safer to recycle and dispose of, contributing to a reduction in overall environmental pollution.

Supporting Green Building Certifications

LSZH conduits also support green building practices, as highlighted in the points mentioned below.

●      LEED Certification

Leadership in Energy and Environmental Design (LEED) is one of the most widely recognised green building certification programs. Using LSZH conduits can contribute to earning LEED points in several categories.

For example, LSZH materials can help meet the criteria for improving indoor environmental quality and reducing the use of harmful substances, both of which are essential components of LEED certification.

●      BREEAM Certification

The Building Research Establishment Environmental Assessment Method (BREEAM) is another prominent green building certification system.

Similar to LEED, BREEAM rewards the use of materials that minimise environmental impact and enhance building safety. LSZH conduits can play a role in achieving high BREEAM ratings by supporting these sustainability goals.

●      Fire Safety

Fire safety is a paramount concern in building design. LSZH conduits enhance fire safety by emitting low levels of smoke and no halogen gases when exposed to fire.

This not only reduces the risk of toxic exposure but also improves visibility during evacuation, thereby potentially saving lives.

●      Durability and Performance

LSZH conduits are designed to be durable and perform well under various conditions. Their resistance to corrosion and mechanical damage means they have a longer lifespan, reducing the need for frequent replacements.

This durability aligns with the principles of sustainable construction, which emphasise the use of long-lasting materials to reduce waste and resource consumption.

Moving on, let’s look at some of the cost considerations of LSZH conduits.

Cost Considerations

●      Initial Investment vs. Long-Term Savings

While LSZH conduits may have a higher initial cost compared to traditional conduits, the long-term savings can be substantial. The enhanced safety features and durability of LSZH materials can lead to lower maintenance and replacement costs over the building’s lifecycle.

Additionally, the potential to earn green building certifications can increase property value and appeal, providing financial benefits in the long run.

●      Incentives and Rebates

Many governments and organisations offer incentives and rebates for incorporating sustainable practices and materials into construction projects.

Using LSZH conduits can help builders and developers qualify for these financial incentives, offsetting some of the initial costs and making green building more economically viable.

The Future of Sustainable Building

As the construction industry continues to evolve, the focus on sustainability and green building practices will only grow stronger. LSZH conduits represent a step forward in creating safer, more environmentally friendly buildings.

By reducing toxic emissions, improving air quality, and supporting green building certifications, LSZH conduits align with the broader goals of sustainability and environmental stewardship.

Final thoughts

In conclusion, LSZH conduits offer a range of benefits that support green building and sustainability goals. Their reduced environmental impact, contribution to safety, and alignment with green building certification criteria make them an essential component in modern sustainable construction.

As more builders and developers recognise these advantages, LSZH conduits are likely to become a standard choice in the pursuit of greener, safer buildings. Buy top-quality LSZH conduits at Greenbuild Supply, your trusted source for LSZH conduits in Australia. Shop with us for world-class products and exceptional service!

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Heat shrink sleeving is a versatile and essential component used in various electrical and mechanical applications. And among the many types available, LSZH (Low Smoke Zero Halogen) heat shrink sleeving has gained popularity due to its unique properties.

Thus, in this blog, we’ll compare LSZH heat shrink sleeving with other common types of sleeving, examining their benefits, applications, and differences. By the end, you’ll have a clear understanding of which type of sleeving might be the best fit for your needs.

So, let’s have a look.

What is LSZH Heat Shrink Sleeving?

LSZH heat shrink sleeving is a type of protective tubing used to insulate wires and cables. What sets LSZH apart is its composition. Unlike traditional materials, LSZH sleeving is made from materials that emit minimal smoke and no halogen when exposed to fire.

This makes it an excellent choice for environments where safety is a top priority, such as public buildings, transportation systems, and confined spaces.

The Benefits of LSZH Heat Shrink Sleeving

●      Safety

The primary advantage of LSZH heat shrink sleeving is its safety. In the event of a fire, LSZH materials produce very little smoke and do not release toxic halogen gases like chlorine or bromine. This significantly reduces the risk of inhalation injuries and improves visibility, aiding in safe evacuations.

●      Environmental Impact

LSZH materials are also more environmentally friendly compared to traditional halogenated materials. They do not release harmful gases that can contribute to acid rain and other environmental issues. This makes LSZH a greener option for various applications.

●      Compliance with Regulations

In many industries, especially those involving public safety, regulations require the use of low smoke and halogen-free materials. LSZH heat shrink sleeving complies with these stringent standards, making it a go-to choice for compliance-sensitive projects.

Other Types of Heat Shrink Sleeving

●      Polyolefin Heat Shrink Sleeving

Polyolefin is the most common material used for heat shrink sleeving. It is highly flexible, flame-retardant, and offers excellent insulation properties. Polyolefin sleeving is widely used in automotive, electrical, and electronic applications due to its versatility and cost-effectiveness.

Some of the advantages of polyolefin heat shrink sleeving are highlighted below.

• Versatile and flexible
• Flame-retardant
• Good electrical insulation
• Cost-effective

Moving on, let’s look at some of the disadvantages of polyolefin heat shrink sleeving.

• Releases toxic fumes when burned
• Higher smoke production compared to LSZH

●      PVC Heat Shrink Sleeving

PVC (Polyvinyl Chloride) heat shrink sleeving is another widely used type. It is known for its durability and resistance to chemicals, making it suitable for industrial applications. However, PVC is not as environmentally friendly as LSZH or polyolefin.

Learn more about the Differences Between LSF, LSZH, and PVC.

Some of the advantages of PVC heat shrink sleeving are given below.

• Durable and chemical-resistant
• Cost-effective
• Available in various colours

Moving on, let’s look at some of the disadvantages of PVC heat shrink sleeving.

• Releases harmful chlorine gas when burned
• Higher smoke production compared to LSZH
• Less flexible than polyolefin

●      Silicone Heat Shrink Sleeving

Silicone heat shrink sleeving is prized for its high-temperature resistance and flexibility. It is often used in aerospace, automotive, and industrial applications where extreme temperatures are common.

Some of the advantages of silicone heat shrink sleeving are highlighted below.

• Excellent high-temperature resistance
• Highly flexible
• Good electrical insulation

However, silicone heat shrink sleeving can have certain disadvantages as highlighted below.

• Expensive
• Not as widely available as polyolefin or PVC
• Can be overkill for standard applications

Comparing LSZH with Other Types of Sleeving

●      Safety and Environmental Impact

When it comes to safety and environmental impact, LSZH heat shrink sleeving stands out. Unlike polyolefin and PVC, LSZH does not emit harmful halogen gases when burned, reducing health risks and environmental damage.

This makes LSZH the preferred choice for applications in confined spaces, public buildings, and transportation systems where fire safety is crucial.

●      Flexibility and Versatility

Polyolefin and silicone sleeving are known for their flexibility and versatility. Polyolefin is cost-effective and widely used in many applications, while silicone offers superior high-temperature resistance. LSZH, although flexible, may not match the extreme flexibility of silicone.

However, it strikes a good balance, offering sufficient flexibility for most applications while providing added safety benefits.

●      Cost Considerations

Cost is an important factor in selecting heat shrink sleeving. Polyolefin and PVC are generally more affordable compared to LSZH and silicone. LSZH tends to be more expensive due to its specialised composition and safety features.

Silicone, being the most specialised, is often the costliest. For budget-conscious projects, polyolefin and PVC may be more attractive, but the long-term safety and compliance benefits of LSZH can justify the higher initial investment.

●      Application Specificity

The choice of heat shrink sleeving often depends on the specific application requirements. For general-purpose applications, polyolefin is a reliable and cost-effective choice.

In environments where chemical resistance is needed, PVC might be suitable. For high-temperature applications, silicone is the best bet. However, for projects where fire safety, low smoke production, and environmental impact are critical, LSZH is the ideal choice.

Conclusion

Thus, LSZH heat shrink sleeving offers significant advantages in terms of safety and environmental impact. This makes it a preferred choice for applications where these factors are paramount.

And while other types of sleeving like polyolefin, PVC, and silicone each have their own strengths, LSZH provides a balanced solution for many modern applications. Thus, when selecting the right heat shrink sleeving, consider the specific needs of your project, including safety, flexibility, cost, and environmental impact.

By doing so, you can ensure that you choose the best material for your needs, which will ultimately enhance the performance and safety of your electrical and mechanical systems.

Looking for a reliable solution to insulate and protect your cables and wiring? Look no further than the LSZH heat shrink sleeving from Greenbuild Supply. Order now and experience the ultimate in cable protection!

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In pursuing sustainable and environmentally conscious construction in Australia, the Living Building Challenge (LBC) has emerged as a model of inspiration. LBC aims to redefine the relationship between construction projects and our natural world, pushing architects and builders to create structures that contribute positively to their surroundings.

And one key aspect of this challenge is the incorporation of Low Smoke Zero Halogen (LSZH) solutions which mark significant progress toward safer and greener building practices.

What is the Living Building Challenge?

The Living Building Challenge (LBC) is a green building certification program that goes beyond traditional sustainability practices. It sets a higher standard for environmentally friendly and socially responsible construction projects. 

The LBC aims to create buildings that not only have a minimal impact on the environment but also contribute positively to their surroundings.

The Living Building Challenge is organized around seven performance areas called “Petals,” each of which represents a key aspect of sustainability.

The seven petals which form the basis of the LBC are 

1. Place

Respect the natural surroundings, and preserve open spaces and wildlife habitats without harming the local ecosystem.

2. Water

Collect and treat all water on-site, promoting responsible water usage, rainwater harvesting, and recycling for various purposes.

3. Energy

Generate all energy on-site using renewable sources like solar or wind power, aiming for efficiency and a reduced carbon footprint.

4. Health & Happiness

Prioritize the well-being of residents with features such as natural light, proper ventilation, and the integration of green spaces.

5. Materials

Use sustainable, non-toxic materials, to avoid harm to the environment or human health. Embrace recycled, reclaimed, or responsibly sourced materials.

6. Equity

Promote fairness, inclusivity, and community engagement throughout the project, and ensure the benefits are shared equally among stakeholders.

7. Beauty

Recognize the importance of aesthetics and human experience in the built environment, and encourage designs that uplift and inspire.

Achieving certification in the Living Building Challenge requires meeting rigorous standards in each of these petals. Projects must demonstrate a deep commitment to sustainability, innovation, and the well-being of both people and the planet.

Understanding Low Smoke Zero Halogen Materials

Low Smoke Zero Halogen (LSZH) refers to a family of flame-retardant materials that emit minimal smoke and toxic halogen compounds when exposed to fire. 

Traditionally, cables and other construction materials contained halogenated compounds, which, when burned, release harmful gases into the atmosphere. 

LSZH materials, on the other hand, minimize these risks, making them an ideal choice for projects aiming for high environmental standards like those set by the Living Building Challenge.

How  LSZH solutions can be incorporated into the Living Building Challenge.

1. Enhancing fire safety

One of the primary benefits of incorporating LSZH solutions into Living Building Challenge projects is the improvement of fire safety. Standard building materials, when exposed to fire, can release toxic gases that pose a threat to both human life and the environment. 

LSZH materials reduce this risk by reducing smoke emissions and eliminating the release of halogenated gases. This not only enhances the safety of the building occupants but aligns with the LBC’s emphasis on creating spaces that prioritize health and well-being.

2. Reducing Environmental Impact

The Living Building Challenge places a strong emphasis on sustainable and regenerative practices. LSZH solutions align seamlessly with this philosophy by minimizing the environmental impact of construction materials. 

Traditional cables and insulation often contain PVC (polyvinyl chloride) and other halogenated compounds, which can persist in the environment and contribute to pollution. LSZH materials, being halogen-free, are more eco-friendly and help reduce the carbon footprint of construction projects.

3. Energy Efficiency and LSZH

Another crucial aspect of the Living Building Challenge is the promotion of energy efficiency. LSZH materials not only contribute to a safer environment but also align with the goal of creating energy-efficient structures. 

By choosing LSZH cables and materials, builders can enhance the overall performance of the building and contribute to energy conservation. These benefits make LSZH solutions a practical and sustainable choice for projects aiming to meet the stringent criteria of the LBC.

4. Meeting LBC’s Materials Petal Requirements

The Living Building Challenge consists of seven performance areas called “Petals,” and one of these is the Materials Petal. This Petal challenges project teams to embrace materials that are safe for all species throughout their lifecycle. 

LSZH solutions play a crucial role in meeting these requirements, ensuring that the materials used in construction do not compromise the health of ecosystems or human populations. Choosing LSZH materials demonstrates a commitment to not only achieving the LBC certification but also to creating a building that promotes a healthier planet.

Final thoughts

Incorporating Low Smoke Zero Halogen (LSZH) solutions into Living Building Challenge projects is a strategic and forward-thinking approach to sustainable construction. 

By enhancing fire safety, reducing environmental impact, promoting energy efficiency, and meeting the stringent requirements of the LBC’s Materials Petal, LSZH materials contribute significantly to the overall success of these innovative building projects.

Check out our entire range of LSZH electrical wiring materials and solutions here.

When it comes to electrical wiring solutions, the choice of materials is crucial to ensuring safety, reliability, and compliance with regulations. 

And three common types of electrical cable sheathing materials often come into consideration: LSF (Low Smoke and Fume), LSZH (Low Smoke Zero Halogen), and PVC (Polyvinyl Chloride). 

Each has its unique characteristics, and understanding the differences is vital for making informed decisions in electrical installations.

Thus, in this blog, we have discussed these three materials to help you make a more informed choice. 

So, read on to find out more.

LSF (Low Smoke and Fume)

LSF cables are designed to emit minimal smoke and low levels of toxic fumes in the event of a fire. This characteristic is particularly important in confined spaces where the build-up of smoke can pose serious risks to human health. 

LSF cables are often used in public buildings, transportation systems, and enclosed spaces where the evacuation of occupants is a primary concern.

One significant advantage of LSF cables is their compliance with stringent fire safety regulations. When these cables are exposed to flames, they produce less smoke, aiding visibility during emergency situations. Additionally, the reduced emission of toxic fumes is beneficial for preventing respiratory hazards and minimizing damage to sensitive electronic equipment.

Despite their fire safety benefits, LSF cables may have limitations in terms of mechanical strength and flexibility compared to other materials. Therefore, it’s essential to consider the specific requirements of the installation when opting for LSF cables.

LSZH (Low Smoke Zero Halogen)

LSZH cables take fire safety a step further by not only minimizing smoke but also eliminating halogen emissions during combustion.

Halogens, such as chlorine and fluorine, can produce corrosive and toxic gases when exposed to fire, posing additional risks to both people and equipment.

LSZH cables are a preferred choice in environments where the presence of corrosive gases can cause damage to electronic components or where the release of toxic fumes could be harmful. 

Common applications include data centers, industrial settings, and areas with a high concentration of people.

While LSZH cables offer superior fire safety features, they may come at a higher cost compared to other alternatives.

PVC (Polyvinyl Chloride)

PVC remains a widely used material for cable sheathing due to its cost-effectiveness, flexibility, and ease of installation. 

However, unlike LSF and LSZH cables, PVC cables are not designed with a primary focus on low smoke or zero halogen emissions in the event of a fire.

PVC cables are commonly employed in less critical applications where stringent fire safety regulations may not be a primary concern. These cables are often found in residential wiring, general-purpose electrical installations, and environments where the release of smoke and toxic fumes does not pose significant risks.

However,  PVC emits dense smoke and toxic gases when exposed to fire. Thus, it may not be suitable for applications where fire safety is a top priority.

LSF vs LSZH vs PVC Key Differences

Final thoughts

The choice between LSF, LSZH, and PVC for electrical wiring solutions depends on various factors, including the specific application, regulatory requirements, and budget constraints. 

LSF and LSZH cables & conduits prioritize fire safety by minimizing smoke and toxic emissions, making them ideal for environments where human safety is a paramount concern.

GreenBuild Supply is your number one destination for LSZH cable management solutions in Australia. Contact us today for more information, and how we can help you with your electrical wiring needs. 

We’re excited by the opportunities this project provides and about the role we play in its construction. The Westgate Tunnel project is set to reduce congestion, reduce travel times, reduce the number of trucks travelling through residential streets, and improve livability in the western suburbs of Melbourne. With more than 200 thousand vehicles crossing the Westgate Bridge each day, this critical transport vein is at capacity, and vulnerable to traffic disruptions due to accidents. We’re in early engagement with key contractors on this build, set to supply contractors with cable management solutions specifically designed for tunnel builds. Our entire range of products are fire safe, durable in extreme temperatures and conditions, and easy and quick to install. Our ability to offer on-demand delivery of materials to contractors as they are needed removes the issues surrounding onsite storage and materials logistics.

The Cross River Rail project run by CGBU is a new 10.2 kilometre rail line from Dutton Park to Bowen Hills, which includes 5.9 kilometres of twin tunnels under the Brisbane River and CBD. Not only is it set to reduce travel times and congestion, but it will completely transform the way we travel by public transport in South East Queensland. We are proudly one of the main suppliers of cable management conduits and fittings, supplying materials for the underground tunneling work and for the four new state of the art underground stations of Woolloongabba, Albert St, Boggo Rd and Roma St. The Greenbuild range of compliant, safe, strong, and sustainable LSZH+ cable solutions is approved for use across this project. Their durable design and intuitive installation properties mean they’re especially sought after by contractors working in tunnel cable management. Our ability to deliver materials on-demand means the space and storage limitations generally associated with tunnel constructions won’t hold up the project.

Melbourne’s long awaited Metro Tunnel construction is part of Victoria’s Big Build and will bring more trains to the suburbs, reduce travel times and traffic congestion, provide direct public transport airport connections, untangle the CBD loops, and allow trains to run more frequently. With five new train stations underway, kilometres of twin-tunnelling, and high-capacity signalling capabilities, this project run by the Cross Yarra project (CYP) is set to re envision public transport across Melbourne. Greenbuild proudly supplies Victoria’s Big Build Metro Tunnel project with our complete range of fire safe, sustainable, and high-performance cable management solutions. Our same-day and next-day delivery of materials means the challenges surrounding onsite storage (especially underground) won’t be an issue. Our team of experts work with management, contractors, and the team onsite to ensure an ongoing supply of the required materials on site to ensure the tunnel cable installations run smoothly and efficiently. Contractors on the project have noted that they love how light, rigid and easy to install our products are.