Experience the durability and aesthetic appeal of the Eternit Blue Black Thrutone Slate Blank. Measuring 500mm x 500mm or 20 x 20, this slate blank offers a unique combination of practicality and design versatility. Made from high-quality materials, it ensures long-lasting performance in various weather conditions. Its blue-black hue adds a touch of sophistication to any architectural project, while its uniform size allows for seamless installations. Ideal for roofing or cladding applications, this Eternit Thrutone product is perfect for individuals seeking quality and style in their construction endeavours.