25mm PIR Insulation Board 2400mm x 1200mm ( 8″ x 4″ )

Optimise the thermal performance of your building projects with our premium 25mm PIR Insulation Board 2400mm x 1200mm. Engineered for superior energy efficiency, this high-quality PIR rigid insulation board is an essential component for achieving compliance with UK Building Regulations and significantly reducing heat loss in various applications.

Featuring a robust polyisocyanurate (PIR) core, this foil-faced insulation board provides exceptional thermal conductivity, making it a versatile choice for both new constructions and renovation work. Its lightweight yet durable design ensures ease of handling and installation on site, contributing to faster project completion and long-term energy savings.

Key Features and Specifications

• Dimensions: 2400mm x 1200mm x 25mm (approx. 8ft x 4ft)
• Material: Rigid Polyisocyanurate (PIR) core with low emissivity aluminium foil facings
• Thermal Conductivity (Lambda): 0.022 W/mK, ensuring excellent thermal performance
• R-Value: Approximately 1.10 m²K/W
• Coverage: 2.88m² per board
• Fire Classification: Euroclass F
• Benefits: Lightweight, easy to cut and install, moisture-resistant, and stable
• Environmental: Zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP)
• Certification: BBA certified and achieves a BRE Green Guide Rating of A

Applications

This multi-purpose 25mm PIR insulation board is incredibly versatile, suitable for a wide array of building applications. It delivers outstanding thermal performance in floors, walls, and roofs, helping to create more energy-efficient and comfortable internal environments. Common uses include insulating solid concrete floors, suspended timber joist floors, and beam and block floors. It is also ideal for pitched roofs (both over and between rafters), flat roofs (including balconies and terraces), and various wall constructions such as masonry walls, timber frame internal linings, and steel framed systems.

Delivery in and Around London

We offer reliable delivery of our 25mm PIR insulation boards across London and the surrounding counties. Our service covers key London boroughs such as Croydon, Lewisham, Southwark, Camden, and Hackney, extending throughout Greater London to areas including Enfield, Bexley, Redbridge, and Barnet. We also deliver to the neighbouring counties of Kent, Essex, Surrey, and Hertfordshire. Our insulation boards are available in various formats, and we welcome enquiries for trade quantities to support projects of all sizes.