Kingspan Thermawall TW55

Kingspan Thermawall TW55 Insulation Board

Kingspan Thermawall TW55 is a high-performance PIR insulation board designed for use in timber and steel frame wall systems. With a thermal conductivity of 0.022 W/m·K, TW55 provides reliable thermal efficiency while maintaining a slim wall build-up, making it ideal for modern residential and commercial construction.

TW55 is foil-faced on both sides to improve thermal resistance and is suitable for installation between studs or as an internal lining board. It’s lightweight, easy to cut, and compatible with both new builds and refurbishments.

Key Features:

• Thermal conductivity: 0.022 W/m·K

• Application: Timber and steel frame wall insulation

• Foil-faced both sides for increased thermal performance

• Quick to install between studs or battens

• Helps meet Part L Building Regulations

• Available in a wide range of thicknesses

Ideal For:

• Timber frame walls in residential housing

• Steel framing systems in commercial or modular builds

• New build and retrofit applications needing high thermal efficiency

• Projects with limited wall cavity space

At Insulation UK, we stock Kingspan TW55 insulation boards in various sizes and thicknesses—ready for fast UK-wide delivery.