The 25mm Celotex TB4025 PIR Insulation Board is a high-performance thermal solution designed to combat thermal bridging in walls, floors, and roofs. Manufactured with high-quality PIR rigid foam, this board delivers reliable insulation with an excellent thermal conductivity of 0.022 W/mK. Its lightweight 2.74kg design and large 2400mm x 1200mm board size provide easy handling and efficient coverage, making it ideal for both residential and commercial energy-saving projects.

Features

• High-performance PIR rigid insulation
• Board dimensions: 2400mm x 1200mm
• Thickness: 25mm
• Thermal conductivity: 0.022 W/mK
• Lightweight at only 2.74kg
• Coverage per board: 2.88m²
• Manufactured to Celotex TB4025 specification
• Suitable for walls, floors, pitched roofs, lofts, and refurbishment projects
• Excellent solution for reducing thermal bridging

Ideal For

• Reducing heat loss in residential and commercial buildings
• Floor, wall, loft, and roof insulation applications
• New builds and refurbishment projects
• Installers seeking a lightweight, easy-to-cut insulation board
• Situations where a slim, high-performance insulation layer is required

What makes Celotex TB4025 effective for reducing thermal bridging?
Its PIR core delivers low thermal conductivity, enabling strong thermal performance even at a slim 25mm thickness, helping minimise heat transfer at junctions and structural connections.