Jablite Claymaster Clay Heave Protection 2400 x 1200mm 100mm (Pack of 6 sheets) is a high-quality clay heave protection board designed to reduce ground movement impact on foundations and structures. Manufactured from expanded polystyrene, these Jablite protection boards offer reliable compressive strength and moisture resistance, making them suitable for use in both residential and commercial construction projects. The large sheet size ensures quick installation, while the 100mm thickness provides effective heave mitigation for deep trench foundations. This pack of six sheets is an ideal solution for safeguarding building integrity in clay soil environments.