Building materials are basic products necessary for the construction, renovation and maintenance of buildings. They include a wide variety of building materials such as cement, concrete, mortar, firebricks, insulation and insulating materials. These materials are used in both building and civil engineering to create stable and durable structures. Building materials are essential for the construction of walls, floors, ceilings and roofs and are used in various construction projects such as the manufacture of tiled stoves, fireplaces or for building cladding. They are available in hardware stores and from specialized retailers.