Kingspan Kooltherm K5 is a high-performance rigid phenolic insulation board specially designed for external wall applications. It offers exceptional thermal efficiency with low thermal conductivities typically ranging between 0.021 and 0.022 W/mK.
The square-edged boards are lightweight and durable, ensuring straightforward installation suitable for both new build and refurbishment projects. Manufactured to strict quality standards, it boasts high compressive strength and moisture resistance, making it a reliable choice in demanding environments.
Additionally, Kingspan Kooltherm K5 complies with fire safety standards, ensuring safety alongside excellent thermal performance. Its high levels of insulation help meet stringent UK regulations for energy efficiency, reducing heat loss and contributing to lower energy bills.
Suitable for a wide range of external wall constructions, Kingspan Kooltherm K5 supports sustainable building practices by improving overall building performance. Its robust and efficient design makes it an ideal solution for creating comfortable, energy-efficient, and environmentally responsible structures.
Key Features and Benefits
Kingspan Kooltherm K5 offers an extensive range of features and benefits that make it an excellent choice for construction projects across the UK. The boards are lightweight and easy to handle, which simplifies installation and helps to boost site productivity by reducing labour effort.
Designed for versatility, Kooltherm K5 is suitable for both new builds and refurbishment projects. Its robust nature ensures it performs well under environmental stresses, thanks to its moisture resistance and high compressive strength. This makes it a dependable choice in a variety of applications. Manufactured under strict quality standards, in addition to its practical qualities, Kooltherm K5 supports sustainable building practices. Its eco-friendly manufacturing process and efficient resource use contribute to lowering energy consumption and reducing carbon footprints. This aligns with the UK’s commitment to greener construction.
Fire safety is a key consideration, and Kooltherm K5 notably meets the stringent fire safety standards by achieving a Class 0 (B) fire rating. During fire incidents, it forms a stable char that helps to maintain structural integrity and improve occupant safety.
Technical Specifications and Performance
Thermal performance is a crucial aspect of Kooltherm K5’s suitability for insulation applications, distinguished by its exceptionally low thermal conductivity, typically between 0.021 and 0.022 W/mK. This enables the use of thinner insulation layers while still providing high thermal resistance, with K-value metrics such as 2.35 for 50mm thickness. Such attributes enhance space efficiency without compromising insulation efficacy.
The product’s performance has been rigorously tested in laboratories to meet the standards outlined in AS/NZS 4859.1:2018, ensuring consistent and reliable thermal properties. Its core, composed of rigid phenolic foam, offers robust strength with a compressive capacity of 100 kPa, making it suitable for a variety of load-bearing applications.
Kooltherm K5 features square edges that facilitate straightforward installation, reducing labour time and ensuring a secure fit. Certain variants are equipped with low emissivity facings, further improving thermal performance by reducing radiative heat transfer, especially in applications demanding precise and dependable insulation solutions.
| Feature | Specification |
|---|---|
| Thermal Conductivity | 0.021 – 0.022 W/mK |
| K-Values | 2.35 (50mm), 3.75–3.8 (80mm), 4.75 (100mm) |
| Compressive Strength | 100 kPa |
| Edge Detail | Square edges for ease of installation |
Kooltherm K5’s combination of low thermal conductivity, mechanical robustness, and ease of installation makes it an ideal choice for UK-based projects, where space-saving and high-performance insulation are often key considerations.
Suitable Applications and Installation Tips
Have you considered how Kooltherm K5 insulation can be effectively integrated into various building projects to optimise thermal performance and space efficiency?
It’s suitable for external wall insulation on both new and existing masonry structures, offering high thermal efficiency with minimal increase in wall thickness.
Retrofit applications allow installation without internal disruption, making them practical for existing properties. Proper substrate preparation—ensuring surfaces are clean, dry, and structurally sound—is essential to optimise adhesion.
Accurate measurement and cutting of boards promote tight joints, reducing thermal bridges.
Mechanical fixings, such as metal pins, should be installed at recommended intervals, with fixings sized appropriately to accommodate render thickness and loading conditions.
Additionally, systematically applying a flexible render over the boards ensures airtightness and enhances the system’s overall durability.
Environmental Impact and Regulatory Compliance
The environmental impact and regulatory compliance of Kooltherm K5 insulation are comprehensively documented through a range of certifications and standards that affirm its sustainability and safety throughout its lifecycle. The product benefits from an Environmental Product Declaration certified by BRE Global, providing transparency on its environmental impact during manufacturing, installation, and end-of-life stages.
Manufactured at Castleblayney, the facility adheres to ISO 14001 standards for environmental management, ensuring responsible operations that minimise ecological footprint. The production process utilises 100% renewable electricity, supports zero waste to landfill initiatives, and is committed to halving CO₂ emissions by 2030.
The following table summarises the key aspects of Kooltherm K5’s environmental credentials:
| Certification | Standards Met | Key Sustainable Practices |
|---|---|---|
| EPD by BRE Global | EN 15804 | Lifecycle impact transparency |
| ISO 14001 | Environmental management | Use of renewable energy, responsible manufacturing |
| ISO 9001 | Quality assurance | Ensuring consistent quality while supporting sustainability |
| Zero Waste | Waste diversion | Optimisation of waste management, including recycling efforts |
| Carbon Goals | Net zero by 2030 | Strategies to substantially reduce CO₂ emissions |
This comprehensive approach underscores Kooltherm K5’s commitment to sustainability and regulatory compliance, making it a suitable choice for environmentally conscious building projects across the UK.
Conclusion
In summary, Kingspan Kooltherm K5 offers high-performance insulation characterised by exceptional thermal conductivity. It is suitable for a wide range of commercial and industrial applications across the UK. Its robust construction, combined with ease of installation and compliance with environmental standards, ensures reliable and efficient thermal management.
Moreover, Kooltherm K5’s durability and environmentally friendly profile support sustainable building practices. Proper application and adherence to installation guidelines optimise its benefits, making it a practical choice for enhancing building energy efficiency and long-term performance.