Kingspan K106 Kooltherm 90mm Full Fill Cavity Insulation (Pack of 4) is a high-performance phenolic insulation board designed for full fill cavity wall applications. Featuring a rigid closed-cell core with a low thermal conductivity of 0.019 W/m·K, it delivers excellent U-values with reduced wall thickness. Each board includes a composite foil on the inner face and a vapour-open polypropylene fleece on the outer face. It is ideal for masonry cavity walls up to 25m in height. Each board measures 1200mm x 450mm and covers 0.54m², with a pack covering 2.16m². Weight per board is approximately 1.62kg, totalling around 6.48kg per pack.

Key Features

Kingspan
Insulation

Kingspan K106 Kooltherm 90mm Full Fill Cavity Insulation (Pack of 4) is a high-performance phenolic insulation board designed for full fill cavity wall applications. Featuring a rigid closed-cell core with a low thermal conductivity of 0.019 W/m·K, it delivers excellent U-values with reduced wall thickness. Each board includes a composite foil on the inner face and a vapour-open polypropylene fleece on the outer face. It is ideal for masonry cavity walls up to 25m in height. Each board measures 1200mm x 450mm and covers 0.54m², with a pack covering 2.16m². Weight per board is approximately 1.62kg, totalling around 6.48kg per pack.

Key Features

Kingspan
Insulation
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Kingspan K106 Kooltherm 90mm Full Fill Cavity Insulation (Pack of 4)

£92.00
90mm Kooltherm full fill cavity board with foil and fleece facings. Thermal conductivity 0.019 W/m·K. Pack covers 2.16m². BBA certified.

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Kingspan K106 Kooltherm 90mm Full Fill Cavity Insulation (Pack of 4) is a high-performance phenolic insulation board designed for full fill cavity wall applications. Featuring a rigid closed-cell core with a low thermal conductivity of 0.019 W/m·K, it delivers excellent U-values with reduced wall thickness. Each board includes a composite foil on the inner face and a vapour-open polypropylene fleece on the outer face. It is ideal for masonry cavity walls up to 25m in height. Each board measures 1200mm x 450mm and covers 0.54m², with a pack covering 2.16m². Weight per board is approximately 1.62kg, totalling around 6.48kg per pack.

Key Features

  • Thermal conductivity as low as 0.019 W/m·K
  • 90mm thickness with full fill cavity wall design
  • Composite foil inner face and fleece outer layer
  • Suitable for masonry cavity walls up to 25m high
  • Each board covers 0.54m² – Pack covers 2.16m²
  • Reaction to fire: Euroclass F (EN 13501-1)
  • Weight per board: approx. 1620g
  • Manufacturer: Kingspan
  • Datasheet

Description

Kingspan K106 Kooltherm 90mm Full Fill Cavity Insulation (Pack of 4) is a high-performance phenolic insulation board designed for full fill cavity wall applications. Featuring a rigid closed-cell core with a low thermal conductivity of 0.019 W/m·K, it delivers excellent U-values with reduced wall thickness. Each board includes a composite foil on the inner face and a vapour-open polypropylene fleece on the outer face. It is ideal for masonry cavity walls up to 25m in height. Each board measures 1200mm x 450mm and covers 0.54m², with a pack covering 2.16m². Weight per board is approximately 1.62kg, totalling around 6.48kg per pack.

Key Features

  • Thermal conductivity as low as 0.019 W/m·K
  • 90mm thickness with full fill cavity wall design
  • Composite foil inner face and fleece outer layer
  • Suitable for masonry cavity walls up to 25m high
  • Each board covers 0.54m² – Pack covers 2.16m²
  • Reaction to fire: Euroclass F (EN 13501-1)
  • Weight per board: approx. 1620g
  • Manufacturer: Kingspan
  • Datasheet

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Optimised for Cavity Wall Systems


Kingspan K106 Kooltherm is engineered for full fill use in external masonry cavity walls. Its 90mm phenolic foam core ensures high thermal resistance, enabling excellent U-values with thinner wall build-ups.
The composite foil and polypropylene fleece facings offer both internal and external resilience, enhancing moisture management and enabling optimal performance in residential and non-residential constructions.

Thermal Efficiency and Fire Safety


With a declared thermal conductivity of 0.019 W/m·K, the K106 board meets demanding energy performance goals. It complies with relevant Building Regulations and is classified Euroclass F for reaction to fire under EN 13501-1.

Sustainable Wall Insulation


K106 supports projects aiming for sustainability with lower embodied carbon and responsible manufacturing. Designed to help achieve energy efficiency ratings and compliance with nearly zero-energy building standards.

Coverage and Board Fit


Each board is 1200mm x 450mm and 90mm thick, covering 0.54m². Supplied in packs of 4, the total coverage per pack is 2.16m². Ideal for quick installation, reducing jointing and waste on site.

Compliant and Certified


Kooltherm K106 is certified by the BBA (Certificate 16/5299) for cavity wall use up to 25m in height. Suitable for both residential and non-domestic walls, it integrates with standard construction practices.

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