The 140x440x215mm Tarmac Topcrete Standard Solid Block (10.4N) is a high-quality building material, designed for superior strength and durability. Ideal for various types of construction projects, this block boasts impressive 10.4N/mm2 compressive strength and is resistant to frost and water penetration. Its even texture ensures a smooth finish, making it suitable for both interior and exterior applications. Produced in the UK by Tarmac, a respected name in the construction industry, this solid block meets strict British Standards of quality and safety.