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Writer's pictureNick Lundie

Changes to In-Roof systems and the MCS. Fire Risk?


As solar power technology evolves, safety regulations have had to adapt to ensure that installations meet high standards for both performance and safety. One major development in the UK solar industry is the recent Microgeneration Certification Scheme (MCS) update concerning fire safety certification for solar photovoltaic (PV) systems. This change has significant implications, particularly for in-roof systems, such as those produced by GSE. Let’s take a closer look at what the new requirements mean for installers and homeowners alike.





What Is the MCS and Why Is It Important? |


The MCS is an industry-led quality assurance scheme that certifies microgeneration products and installations to ensure they meet high standards. For solar PV systems, MCS certification helps provide quality and safety guarantees that are essential to both homeowners and installers. A major part of MCS certification has always included performance and installation standards, but recent developments have now made fire safety a priority.


Overview of the New MCS Fire Certification Update |


The latest MCS update specifically enhances fire safety standards for solar PV systems. This change comes in response to concerns about fire risks associated with certain PV installations, especially as in-roof systems, which integrate PV panels into the roof structure, grow in popularity. The new regulations require that all solar systems must now undergo stringent fire testing before they can receive MCS certification, ensuring that they meet fire safety standards aligned with broader building regulations.


These changes not only aim to mitigate fire risks but also increase transparency for consumers, giving them confidence in the safety of certified products. The fire safety certification now requires systems to achieve a higher level of fire resistance, considering factors like spread of flame, heat, and smoke release.


How This Update Affects In-Roof Solar Systems Like GSE |


In-roof systems, like the GSE integration system, are particularly impacted by these new requirements. Unlike traditional on-roof systems where panels are mounted onto an existing roof structure, in-roof systems are integrated directly into the roofing. This approach enhances the aesthetic appeal and can be more efficient for certain architectural designs, but it also introduces different fire safety considerations because it is more closely embedded into the building's structure.


Key Implications for GSE and Other In-Roof Systems |


1. Fire Safety Certification Testing

In-roof systems must now undergo more rigorous testing for fire safety compliance, as they involve integration with other roofing materials. The close contact with roofing components means they need to meet higher standards to prevent the risk of fire spreading quickly through the building's envelope.


2. Design Adjustments

Manufacturers like GSE may need to refine their in-roof systems to comply with MCS fire safety requirements. This could mean alterations to panel backing materials, improved ventilation, or other design changes aimed at reducing heat buildup and spread.


3. Installation Practices

For installers, the update means that only MCS-certified (and therefore fire-certified) in-roof systems should be used. As a result, installers must prioritize fire-certified in-roof systems in projects to maintain compliance with MCS requirements. Training and adjustments to installation practices may also be necessary to ensure safety standards are met.


4. Homeowner Assurance

For consumers, these changes offer an added layer of safety assurance. When investing in in-roof systems like GSE, homeowners can be confident that these systems meet both energy efficiency and fire safety standards. The certification provides peace of mind, particularly for those installing solar PV in residential spaces where safety is paramount.


5. Product Development and Market Impact

Manufacturers are now under pressure to innovate. The new MCS standards could lead to increased R&D efforts to create products that not only meet fire safety standards but also maintain or improve on efficiency and aesthetics. Additionally, products that achieve MCS certification might see increased demand, while uncertified alternatives could face a reduced market share.


Why the MCS Update is a Positive Step for the Solar Industry |


By tightening fire safety standards, MCS is setting the stage for a safer solar market in the UK. The new fire certification provides:


- Increased Consumer Confidence: Consumers now have an additional assurance that certified solar PV systems have been rigorously tested for fire safety, reducing potential concerns about integrating solar into their homes.

- Higher Industry Standards: The new requirements push manufacturers and installers to adopt better practices and innovate their products.

- Alignment with Global Standards: The UK solar industry continues to align with best practices internationally, enhancing the country's reputation as a leader in clean and safe renewable energy technologies.





Conclusion |


The recent MCS fire certification update marks a critical shift in the solar PV industry, particularly affecting in-roof systems like those by GSE. While the new standards may pose short-term challenges for manufacturers and installers, the overall impact is beneficial, promoting higher safety and quality standards across the board. For homeowners, these changes mean greater peace of mind when investing in solar PV, knowing that their systems are not only efficient but also safe.


As the industry adapts to this new certification, we can expect continued innovation in solar technology that combines cutting-edge energy efficiency with uncompromising safety standards.



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