Kingspan Kooltherm K5 External Wall Board 1200 x 600 x 70mm ( 6 Sheets)
Specially designed for masonry walls, Kingspan Kooltherm K5 is a premium performance insulation board sets new standards in thermal efficiency, boasting a thermal conductivity as low as 0.021 W/mK.
Its innovative design facilitates extremely thin wall constructions, making it an ideal solution for upgrading the energy efficiency of existing properties externally, with minimal disruption to occupants.
Maximising Space and Comfort
By offering the thinnest profile in External Wall Insulation (EWI), Kingspan Kooltherm K5 preserves valuable internal space while ensuring buildings that cannot be insulated from the inside receive the thermal upgrade they need.
Features and Benefits:
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Space-Efficient Insulation: Achieve high U-values with minimal construction thickness, preserving interior space.
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Versatile Application: Compatible with both traditional and lightweight polymer modified renders, Kooltherm K5 offers flexibility in exterior finishes.
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Easy Installation: Its lightweight nature simplifies transport, handling, and installation, enhancing construction efficiency.
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Property Value Increase: The thin profile of Kooltherm K5 not only improves thermal efficiency but also maximises lettable space, enhancing property value.
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Enhanced Wellbeing: With a fibre-free core, Kooltherm K5 contributes to a healthier indoor environment.
Application
Kooltherm K5 is engineered for external insulation of masonry walls, providing a versatile solution for both new construction and retrofit applications.
Technical Specifications:
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Material: Premium performance, rigid thermoset phenolic insulation for exceptional thermal efficiency.
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Thermal Conductivity: Offers superior insulation with values of 0.022 W/mK (25-44 mm thickness) and 0.021 W/mK (45-100 mm thickness).
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Facings: Equipped with a glass tissue-based facing for enhanced durability and performance.
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Dimensions: Conveniently sized at 600 x 1200mm to fit a wide range of project requirements.
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Thickness Range: 25 - 100 mm, accommodating various insulation needs.
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Fire Performance: Achieves Euroclass C-s2,d0 rating, ensuring safety and compliance.
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Compressive Strength: 100 kPa, indicating strong load-bearing capabilities.
Experience the difference in thermal efficiency, space conservation, and construction ease, all while enhancing the building's value and the wellbeing of its occupants.
Delivery Charges |
Order Value |
Delivery Charge |
Up to £1000.00 |
£49.00 |
Orders over £1000.00 |
Free Delivery |
Parcel Delivery Charges |
Order Value |
Delivery Charge |
Up to 50 kg |
£25.00 |
Collections |
To collect your order, please email us at sales@rendersdirect.co.uk with your contact details, along with the products and quantities you require. Our team will review your email and respond with a secure payment link. For your security, we do not process payments over the phone. Once payment is received, your order will be processed, and our team will notify you when it’s ready for collection.
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- Standard delivery - Up to 5 working days.
- We process orders the same day.
- Delivery charges will automatically be calculated within the checkout process.
- Orders are only processed for delivery between 8.00am - 5.00pm Monday to Friday excluding bank holidays.
- Moffett offload will be used for large bulky deliveries and only when agreed with you.
- Please advise of any access issues on ordering.
- Delivery is Kerbside only.
- In the unlikely event that your delivery is not correct or damaged please notify us immediately and mark any issues on the delivery slip.
Where We Deliver

- We have a fleet of FORS delivery vehicles all with Moffett mechanical off loads that deliver nationwide. Sometimes we may use 3rd party carriers for smaller orders.
Product Delivery Times
- The vast majority of our orders are dispatched within 2 - 5 working days, this can however be up to 4 working days, please contact us if you require something urgent.
- Speciality items may take up to 21 working days.
- We will contact you with in 24/48hrs of your order been placed to confirm delivery times and dates.