Thermal insulation KOOLTHERM K3

phenolic foamwoodenrigid panel

Overview Kooltherm K3 is a phenolic-based floor insulation board for use under solid concrete slabs and suspended timber floors. It offers a thermal conductivity as low as 0.021 W/m·K and is suitable for new build and refurbishment projects.

Product Highlights

• Achieve required U-values with reduced insulation thickness
• Suitable for use with underfloor heating systems
• Phenolic-based board providing low thermal conductivity
• Lightweight material that is easier to transport, handle and install compared with many common insulants

Technical specifications

• Product type: Floor insulation board (phenolic-based - Kooltherm range)
• Thermal conductivity (λ): down to 0.021 W/m·K
• Typical applications: below solid concrete slabs and below screed; suspended timber floors
• Suitable for: new build and refurbishment projects
• Compatibility: underfloor heating systems
• Practical advantages: achieves target U-values with minimal thickness; lightweight and easier to handle/install