The 50mm Jablite Jabfloor 70 is a high-quality Polystyrene Insulation board designed to provide enhanced thermal performance. Measuring 2400mm x 1200mm (8 x 4), this product is perfect for both residential and commercial insulation needs. Its made from expanded polystyrene, offering exceptional resistance to moisture, ageing, and temperature changes. Lightweight yet robust, this insulation board is easy to handle and install. Suitable for use under concrete floor slabs or above a concrete sub-floor in ground-bearing or suspended concrete floors.