Kingspan GreenGuard GG300 – High Performance Rigid Insulation Board

Kingspan GreenGuard GG300 is a rigid extruded polystyrene (XPS) insulation board, designed to deliver reliable thermal performance in demanding building applications. Manufactured with a closed-cell structure, GG300 boards provide high compressive strength, low water absorption, and long-lasting insulation efficiency.

Suitable for use in floors, walls, and roofs, Kingspan GG300 is particularly effective where resistance to ground moisture and freeze-thaw cycles is required. Common applications include below-ground insulation, inverted roofs, car park decks, and industrial floors.

The boards are lightweight, easy to cut, and simple to install, making them a practical solution for both new build and refurbishment projects. With excellent durability and consistent performance, GG300 helps meet modern energy-efficiency requirements while protecting the building fabric.

Key Features:
✔️ Rigid extruded polystyrene (XPS) insulation board
✔️ High compressive strength – ideal for heavy-duty applications
✔️ Low water absorption for long-term thermal efficiency
✔️ Suitable for floors, walls, roofs, and below-ground installations
✔️ Lightweight and easy to handle on site

Typical Applications:

• Inverted flat roofs

• Car park decks and podiums

• Basement walls and floors

• Industrial and commercial flooring

Kingspan GreenGuard GG300 offers a dependable, cost-effective insulation solution that supports compliance with building regulations and contributes to improved energy efficiency.