Celotex TB4025 General Purpose PIR Insulation Board – 2400 X 1200 X 25mm

This Celotex TB4025 General Purpose Board is an easy-to-install multi-purpose polyisocyanurate (PIR) insulation board with excellent thermal performance. Featuring a low emissivity foil facing, it’s ideal for various floor, wall and roof applications. The excellent thermal conductivity of 0.022 W/mK significantly reduces the thickness of the insulation required to meet your target uValue.

In addition, the low emissivity foil facing boosts thermal performance in sealed cavity air spaces, further improving uValues. Available in a size of 2400mm in length by 1200mm in width by 25mm in thickness, this versatile PIR insulation board is light and rigid, making it easy to handle and install.

Features & Benefits: Celotex TB4025 General Purpose PIR Insulation Board – 2400 X 1200 X 25mm

• High-quality versatile PIR insulation board
• Excellent thermal performance & reduced thickness
• Low emissivity foil facing
• Suitable for floor, roof and wall applications
• Lightweight and easy to install
• R-Value: 1.10m²K/W
• Maximum weight: 0.85kg/m²
• Compressive strength (kPa): CS(10Y)120

With a BRE (Building Research Establishment) Green Guide Rating of A, this Celotex insulation board is sustainably sourced and environmentally friendly. Additionally, it is certified by the BBA (British Board of Agrément), so you know it’s manufactured to the highest standards in the industry.

Standards & Certification

• Thermal conductivity: 0.022W/mK, according to BS EN 13165 for factory made rigid polyurethane foam (PU) product
• Spread of flame: Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.
• Certification: BBA certified
• BRE Green Guide Rating: A for sustainability