# Kingspan Kooltherm K108 Cavity Insulation Board 1200mm x 450mm

#### Kingspan Kooltherm K108 Cavity Insulation Board [Data Sheet](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/kingspan-kooltherm-k108-brochure-en-gb-ie.pdf?v=1732799812)

Kingspan Kooltherm K108 Cavity insulation is a premium performance insulation with a fibre-free rigid thermoset phenolic core.

As part of our Kooltherm K100 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.

Kingspan Kooltherm K108 partial fill cavity wall insulation is a premium performance lower lambda insulation with a rigid thermoset fibre-free phenolic core. It is faced on both sides with a low emissivity composite foil facing and is used in partially filled cavity walls.  

**Pack Sizes:**

Thickness

Boards Per Pack

Pack Coverage

50mm

10

5.4m2

60mm

8

4.32m2

75mm

6

3.24m2

100mm

5

2.7m2

**\*Sold as Packs only. We do not split packs.**

## Details

- **Price:** 108.86 GBP - 121.86 GBP
- **Vendor:** Kingspan
- **Type:** Cavity Insulation Board
- **Tags:** Cavity Board, K108, KINGSPAN, KOOLTHERM

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 50mm | 121.86 GBP | In stock |
| 60mm | 116.55 GBP | In stock |
| 75mm | 108.86 GBP | In stock |
| 100mm | 120.41 GBP | In stock |

## Images

- Kooltherm K108 Cavity Insulation Board for wall insulation
- Kooltherm K108 Cavity Insulation Board for wall insulation
- Kooltherm K108 Cavity Insulation Board for wall insulation
- Kooltherm K108 Cavity Insulation Board for wall insulation

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> Source: [Next Day Insulation](https://nextdayinsulations.com/products/kingspan-kooltherm-k108-partial-fill-cavity-board)
> Updated: 2026-08-20