# Kingspan GreenGuard Polystyrene Insulation GG300  - All Sizes

#### Kingspan GreenGuard GG300 Polystyrene Insulation

-   [Insulation for Floors Data Sheet](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/kingspan-greenguard-heavy-duty-floors-brochure-en-gb-ie-v04.pdf?v=1687954238)
-   [Insulation for Inverted Roofs Data Sheet](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/kingspan-greenguard-inverted-roofs-brochure-en-gb-ie.pdf?v=1732878895)
-   [Insulation for Basement Data Sheet](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/kingspan-greenguard-basements-brochure-en-gb-ie-v04.pdf?v=1687954238)
-   [Declaration of Performance](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/Kingspan_GreenGuard_GG300_declaration_of_performance.pdf?v=1675852847)
-   [Safety Information](https://cdn.shopify.com/s/files/1/0705/2869/6596/files/Kingspan_greenguard_safety_information_engb.pdf?v=1675852847) 

Kingspan Green Guard GG300 is a rigid extruded polystyrene (XPS) insulation. XPS has the necessary compressive stress to make it the product of choice for specialist applications such as inverted roofs, basements, car park decks and heavy-duty commercial, industrial and cold store flooring.

**Please call us before order.**

**Pack Sizes**

Thickness

Pack Coverage

Boards per pack

30mm

10.5m2

14

40mm

7.5m2

10

50mm

6m2

8

60mm

5.25m2

7

80mm

3.75m2

5

100mm

3m2

4

120mm

2.25m2

3

150mm

1.5m2

2

  
Kingspan Green Guard Polystyrene Insulation GG300 is a rigid extruded polystyrene (XPS) insulation. XPS has the necessary compressive stress to make it the product of choice for specialist applications such as inverted roofs, basements, car park decks and heavy-duty commercial, industrial and cold store flooring.

## Details

- **Price:** 50.16 GBP - 70.32 GBP
- **Vendor:** Kingspan
- **Type:** XPS Insulation
- **Tags:** Green Guard, KINGSPAN, Roofing, Screeding, XPS

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 30mm | 70.32 GBP | In stock |
| 40mm | 66.86 GBP | In stock |
| 50mm | 63.91 GBP | In stock |
| 60mm | 70.20 GBP | In stock |
| 80mm | 66.86 GBP | In stock |
| 100mm | 66.89 GBP | In stock |
| 120mm | 60.20 GBP | In stock |
| 150mm | 50.16 GBP | In stock |

## Images

- Kingspan XPS Polystyrene Insulation GG300 Board
- Kingspan XPS Polystyrene Insulation GG300 Board
- Kingspan XPS Polystyrene Insulation GG300 Board
- Kingspan XPS Polystyrene Insulation GG300 Board
- Kingspan XPS Polystyrene Insulation GG300 Board

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> Source: [Next Day Insulation](https://nextdayinsulations.com/products/kingspan-greenguard-polystyrene-insulation-gg300-xps)
> Updated: 2026-08-20