EcoTherm Eco-Versal 25mm PIR insulation Boards are a multi-purpose thermal solution that can be used in both new builds and renovation projects. They are useful for reducing cold-bridging. These 25mm rigid polyisocyanurate (PIR) boards are made up of a core of fibre-free material sandwiched between two layers of aluminium foil. EcoTherm 25mm insulation boards are versatile and can be used for floors, walls, ceilings, pitched roofs, and more. These 25mm insulation boards are second only to phenolic insulation for thermal efficiency. They have a lambda of just 0.022 W/mK. 25mm EcoTherm insulation boards are cost-effective and environmentally friendly, which makes them a good choice for reducing CO2 emissions. They can also be used in a variety of building projects.