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Ready To Ship Kingspan Kooltherm K108 Cavity Board Insulation - 1200mm X 450mm X 50mm (pack Of 10 Sheets 5.40m2) Flash Sale: 65% Off [gyjABaSr]

$27.99 $89.99 -69%

Delivery:IN STOCK. Delivery: 2 days Free Delivery on orders over £650.00 Key Features:Thickness: 50mm Board size: 1200mm x 450mm Thermal Conductivity: 0.019 W/m.K Coverage per board: 0.54m2 Application: Partial Fill cavity wall insulation Description

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Ready To Ship Kingspan Kooltherm K108 Cavity Board Insulation - 1200mm X 450mm X 50mm (pack Of 10 Sheets 5.40m2) Flash Sale: 65% Off [gyjABaSr]

Delivery:

IN STOCK. Delivery: 2 days 

Free Delivery on orders over £650.00 

Key Features:
  • Thickness: 50mm
  • Board size: 1200mm x 450mm
  • Thermal Conductivity: 0.019 W/m.K
  • Coverage per board: 0.54m2
  • Application: Partial Fill cavity wall insulation
Description:

Kooltherm K108 is an advanced partial fill cavity wall insulation solution. It has a thermal conductivity of 0.019 W/mK and can achieve the same wall U-value as alternative products with a much thinner profile. Its low thermal conductivity can maximise usable internal floor space.

Kingspan Kooltherm K108 is a premium performance partial fill cavity wall insulation. Kingspan Kooltherm K108 Cavity Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core. One of the thinnest commonly used insulation for partial fill cavity walls

As part of the Kingspan Kooltherm range, it provides a level of performance that is unrivalled in the world of rigid thermoset insulation materials with a thermal conductivity of just 0.019 W/m·K across all thicknesses.

Downloads & Data Sheets:

K108 Product Brochure

What Our Customers Say

January 21, 2026

Absolutely no complaints!

This buy was an inspired decision.

- Ogden P..

January 21, 2026

Absolutely no complaints!

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- Dyfed L..

January 21, 2026

Absolutely no complaints!

So happy I finally decided to go ahead and then buy this.

- Afallach Y..

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