Celotex TB4020 General Purpose PIR Insulation Board – 2400 X 1200 X 20mm

This Celotex TB4020 General Purpose Board is a versatile polyisocyanurate (PIR) insulation board that provides superior thermal performance and is simple to install. It includes a low emissivity foil facing that makes it suitable for a range of floor, wall, and roof applications. With a remarkable thermal conductivity of 0.022 W/mK, it significantly minimises the amount of insulation needed to achieve your desired uValue.

The inclusion of a low emissivity foil facing enhances the insulation’s thermal efficiency when used in enclosed cavity air spaces, resulting in even better uValues. This adaptable PIR insulation board comes in a size of 2400mm x 1200mm x 20mm and is lightweight and rigid, making it straightforward to handle and install.

Features & Benefits: Celotex TB4020 General Purpose PIR Insulation Board – 2400 X 1200 X 20mm

• High-quality versatile PIR insulation board
• Excellent thermal performance and reduced thickness
• Low emissivity foil facing
• Suitable for floor, roof and wall applications
• Lightweight and easy to install
• R-Value: 0.90m²K/W
• Maximum weight: 0.79kg/m²
• Compressive strength (kPa): CS(10Y)120

Celotex’s TB4020 insulation board has an A rating from the Building Research Establishment (BRE) Green Guide, indicating that it is eco-friendly and responsibly sourced. It has also received certification from the British Board of Agrément (BBA), ensuring that it meets the industry’s most stringent manufacturing standards.

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