Kingspan Thermawall TW50 PIR Wall Insulation Board (1200mm x 450mm) is a high-performance foil-faced insulation board designed for use in timber and steel frame wall systems. With thermal conductivity as low as 0.022 W/m·K, it enables thinner wall constructions that meet Building Regulations. The board is lightweight, easy to handle, and suitable for both new builds and refurbishments. It provides reliable insulation while reducing on-site time and waste. Each board covers 0.54m². At 75mm thickness, the board weighs approximately 2,200 grams.

Key Features

Kingspan
Insulation

Kingspan Thermawall TW50 PIR Wall Insulation Board (1200mm x 450mm) is a high-performance foil-faced insulation board designed for use in timber and steel frame wall systems. With thermal conductivity as low as 0.022 W/m·K, it enables thinner wall constructions that meet Building Regulations. The board is lightweight, easy to handle, and suitable for both new builds and refurbishments. It provides reliable insulation while reducing on-site time and waste. Each board covers 0.54m². At 75mm thickness, the board weighs approximately 2,200 grams.

Key Features

Kingspan
Insulation
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Kingspan Thermawall TW50 PIR Wall Insulation Board (1200mm x 450mm)

£7.00
Foil-faced PIR board for timber and steel wall frames. Covers 0.54m². Lightweight, low thermal conductivity and BBA certified.

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Kingspan Thermawall TW50 PIR Wall Insulation Board (1200mm x 450mm) is a high-performance foil-faced insulation board designed for use in timber and steel frame wall systems. With thermal conductivity as low as 0.022 W/m·K, it enables thinner wall constructions that meet Building Regulations. The board is lightweight, easy to handle, and suitable for both new builds and refurbishments. It provides reliable insulation while reducing on-site time and waste. Each board covers 0.54m². At 75mm thickness, the board weighs approximately 2,200 grams.

Key Features

  • Low thermal conductivity: 0.022 W/m·K
  • Foil-faced both sides for added thermal efficiency
  • Designed for timber and steel frame walls
  • Board size: 1200mm x 450mm (covers 0.54m²)
  • Thicknesses: 40mm to 100mm
  • Lightweight and easy to install
  • Rated to EN 13165 and BBA certified
  • Manufacturer: Kingspan
  • Datasheet

Description

Kingspan Thermawall TW50 PIR Wall Insulation Board (1200mm x 450mm) is a high-performance foil-faced insulation board designed for use in timber and steel frame wall systems. With thermal conductivity as low as 0.022 W/m·K, it enables thinner wall constructions that meet Building Regulations. The board is lightweight, easy to handle, and suitable for both new builds and refurbishments. It provides reliable insulation while reducing on-site time and waste. Each board covers 0.54m². At 75mm thickness, the board weighs approximately 2,200 grams.

Key Features

  • Low thermal conductivity: 0.022 W/m·K
  • Foil-faced both sides for added thermal efficiency
  • Designed for timber and steel frame walls
  • Board size: 1200mm x 450mm (covers 0.54m²)
  • Thicknesses: 40mm to 100mm
  • Lightweight and easy to install
  • Rated to EN 13165 and BBA certified
  • Manufacturer: Kingspan
  • Datasheet

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Built for Framed Walls

The Kingspan Thermawall TW50 is tailored for use in timber and steel-framed wall systems. It delivers strong thermal insulation without compromising wall thickness or floor area.
Its foil facings enhance heat retention and create an effective vapour barrier when taped and sealed during installation.

Tested and Certified

TW50 is certified to BS EN 13165 and BBA approved. It meets the strict performance requirements for wall insulation across the UK and Ireland.

Manufactured to High Standards

Kingspan manufactures the TW50 board under ISO 9001 and ISO 14001 quality and environmental systems, ensuring consistency, safety, and environmental compliance.

Compact Coverage

Each board measures 1200mm x 450mm and covers 0.54m². Its lightweight format reduces transport bulk and makes it simple to position during install.

Ideal for New and Existing Walls

The board is suitable for both new constructions and retrofits. It integrates seamlessly into timber and steel frames behind cladding or drylining systems.

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