The Cavity PIR Wall Board Insulation is a superior insulation solution, designed to maximise thermal efficiency in both domestic and commercial settings. Each pack contains 4 tongue and groove sheets measuring 90x450x1200mm, covering a total area of 2.16m². Manufactured from robust material, these boards offer superior resistance to moisture and temperature changes, providing long-term durability. Its tongue-and-groove design allows for easy installation, while the high insulating properties help reduce energy consumption.