Ecotherm Eco-Fix Foil Faced (TR26) 1200mm x 2400mm – 100mm

Ecotherm Eco-Fix Foil Faced (TR26) 1200mm x 2400mm – 100mm is a premium rigid thermoset polyisocyanurate (PIR) flat roof insulation board engineered for mechanically fixed single-ply membrane waterproofing systems. Designed for both new build and refurbishment projects, it delivers outstanding thermal performance at 0.022 W/mK — making it a trusted TR26-equivalent choice for roofing contractors, flat roof specialists, and self-builders across the UK.

Key Features and Specifications

• Material: Rigid thermoset polyisocyanurate (PIR) foam core — fibre-free
• Facing: Aluminium composite foil on both faces
• Thermal Conductivity (λ): 0.022 W/mK
• Dimensions: 1200mm × 2400mm (8′ × 4′)
• Thickness: 100mm
• Board Coverage: 2.88 m² per board
• TR26 equivalent: Suitable as a direct alternative to Kingspan Thermaroof TR26
• System compatibility: Mechanically fixed loose-laid single-ply waterproofing membranes
• Deck substrates: Concrete, metal, and timber decks
• Lightweight and rigid: Easy to handle, cut, and install on site
• Compliant with Part L Building Regulations for thermal performance

Applications

• Warm flat roof insulation — new build and refurbishment
• Under mechanically fixed single-ply membranes (e.g. TPO, PVC, EPDM systems)
• Concrete deck flat roofs on commercial and residential buildings
• Metal deck and timber deck flat roof upgrades
• Green roof build-ups requiring a high-compressive-strength PIR board
• Roof refurbishment projects requiring a slim, high-performance insulation layer

Why Choose This Product

The Ecotherm Eco-Fix 100mm PIR board combines a class-leading lambda value of 0.022 W/mK with a robust aluminium foil composite facing, giving excellent moisture resistance and long-term dimensional stability. Its lightweight construction speeds up installation, reducing labour time on site. As a TR26-equivalent board from a Kingspan Group brand, it offers the same technical confidence at a competitive price point — ideal for trade buyers purchasing in volume.

Delivery in and Around London

We deliver the Ecotherm Eco-Fix Foil Faced (TR26) 100mm board to London boroughs including Croydon, Lewisham, Southwark, Camden, and Hackney, as well as Greater London areas such as Enfield, Bexley, Redbridge, and Barnet. We also supply to the surrounding counties of Kent, Essex, Surrey, and Hertfordshire. Trade quantities and full-pallet orders are welcome — contact us for volume pricing and to confirm your delivery slot.