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Cast iron production
Cast iron is a metal alloy, popular in architecture historically for its strength and flexibility to be cast into custom shapes. Although largely replaced by steel since the late 19th century, cast-iron is still produced for conservation projects and to a lesser extent new contemporary buildings.
Introduction to sandstone
Sandstone’s natural strength and durability make it an ideal material for use in architecture. It can yield both clearly defined bedding along its sedimentary planes making it a great choice for traditional paving and walling products.

