A skyscraper is a tall continuously habitable building having multiple floors. Modern sources currently define skyscrapers as being at least 100 metres or 150 metres in height, though there is no universally accepted definition. Skyscrapers are very tall
high-rise building A high-rise building is a tall building, as opposed to a low-rise building and is defined differently in terms of height depending on the jurisdiction. It is used as a apartment building, residential, office building, or other functions inclu ...
s. Historically, the term first referred to buildings with between 10 and 20 stories when these types of buildings began to be constructed in the 1880s. Skyscrapers may host offices, hotels, residential spaces, and retail spaces. One common feature of skyscrapers is having a steel framework that supports
curtain walls Curtain wall may refer to: * Curtain wall (architecture), the outer skin of a modern building * Curtain wall (fortification), the outer wall of a castle or defensive wall between two bastions