# Kingspan Kooltherm K5 External Wall Board

#### Kingspan Kooltherm K5 [Data Sheet](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/kingspan-kooltherm-k5-brochure-en-gb-ie_1.pdf?v=1753169017)

Kooltherm K5 is an advanced external wall insulation board for masonry walls. It allows for extremely thin wall constructions that deliver a thermal conductivity as low as 0.021 W/mK.

The boards are suitable for use behind traditional and lightweight polymer modified renders and can be retrofitted externally to existing properties without disturbing the occupants as all work is done from the outside.

**Pack Sizes:**

Thickness

Boards Per Pack

Pack Coverage

25mm

20

14.40m2

50mm

10

7.20m2

60mm

8

5.76m2

70mm

6

4.32m2

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

## Details

- **Price:** 129.97 GBP - 149.24 GBP
- **Vendor:** Kingspan
- **Type:** External Wall Board
- **Tags:** K5, KINGSPAN, KOOLTHERM, WALL BOARD

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 50mm | 145.75 GBP | In stock |
| 60mm | 149.24 GBP | In stock |
| 70mm | 129.97 GBP | In stock |

## Images

- Kingspan Kooltherm K5 External Wall Board for insulation
- Kingspan Kooltherm K5 External Wall Board for insulation
- Kingspan Kooltherm K5 External Wall Board for insulation

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> Source: [Next Day Insulation](https://nextdayinsulations.com/products/kingspan-kooltherm-k5-external-wall-board)
> Updated: 2026-07-20