A Demolition building to completely destroy a building, especially in order to use the land for something else. A number of houses were demolished so that the supermarket could be built.Commonly the reasons for putting down a building are usually when the building has become a hazard and dangerous to be used as it may collapse. Another common reason for demolition of buildings is that another different structure needs to replace the standing building and it needs to be demolished.

Building demolition can be used for tall buildings, bridges, chimney stacks and cooling towers This type of demolition is done by diamond drilling and hydraulic concrete crunching. Mechanical demolition – this method involves the use of specialized mechanical equipment and tools.