special shape clinker brick for the renovation of the old chimney of a historic steel factory built at the end of the 19th century. the special shape brick is 65 mm thick and 220 mm long. Color: yellow in shades with temperature discoloration. (Coal firing in a ring kiln) The brick to repair the old chimney was machine-made with smooth surface and perforation based on a sketch and a fragment of the original brick. Delivery time: 10 Weeks. Frost proof.
