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:

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

Kingspan
Insulation

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:

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

Kingspan
Insulation
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Kingspan GreenGuard GG300 600mm x 1250mm

£81.00
Kingspan GreenGuard GG300 is a high-performance XPS insulation board with superior compressive strength, thermal efficiency, and moisture resistance, perfect for heavy-duty and specialist applications.

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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.

Description

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.

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Premium Insulation for Specialist Applications


Kingspan GreenGuard GG300 is a high-performance, rigid extruded polystyrene (XPS) insulation board, designed for demanding applications like inverted roofs, basements, and heavy-duty flooring. Its closed-cell structure ensures minimal water absorption, making it ideal for environments exposed to moisture.
With superior compressive strength, this insulation board can withstand vehicle loads, freeze/thaw cycles, and ground moisture, ensuring long-lasting thermal performance.

Exceptional Compressive Strength


The Kingspan GreenGuard GG300 boasts exceptional compressive strength, designed to support high-traffic areas, from car park decks to cold store flooring. This makes it the go-to insulation solution for commercial and industrial projects requiring durable, load-bearing insulation.

Thermal and Moisture Resistance


With a thermal conductivity of 0.033 W/mK, GreenGuard GG300 offers high insulation efficiency. Its closed-cell XPS composition prevents water penetration, freeze damage, and ensures optimal performance in green roof systems.

Wide Range of Applications


Kingspan GreenGuard GG300 is suitable for use in a variety of specialist applications, including inverted roofs, basements, and car park decks. The insulation board’s resistance to moisture and durability in extreme conditions make it ideal for long-term use in both commercial and industrial environments.

Built to Last


Choose Kingspan GreenGuard GG300 for high-performance, reliable insulation in demanding environments. Built to withstand the toughest conditions, it’s the ideal choice for projects requiring robust, durable, and moisture-resistant insulation.

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