Kingspan Kooltherm K103 Floorboard Insulation 2400mm x 1200mm x 90mm – Pack of 3 provides high-performance thermal insulation for floors, enhancing energy efficiency in residential and commercial buildings. This rigid phenolic insulation board offers superior thermal conductivity while maintaining a slim profile, making it ideal for new builds and refurbishment projects. Designed for ease of installation, Kingspan K103 floorboard insulation is resistant to moisture and suitable for use with various floor types, including solid concrete and suspended timber floors. Its lightweight yet durable construction ensures consistent long-term performance, helping to reduce heat loss and improve comfort.