The Tarmac Topcrete Standard Concrete Block Solid (10.4N) is a high-quality, robust unit designed with durability in mind. These 100x440x215mm blocks are made from concrete and are a versatile choice for a wide range of building projects. Easy to handle and install, these blocks offer excellent load-bearing capabilities and provide an effective solution for walling applications. Whether youre laying foundations or building walls, the Topcrete Standard Concrete Block delivers strength and stability that you can rely on.