What is Upstand in construction?

In construction, an upstand refers to a vertical element or feature that projects above the surrounding surfaces, often used in flooring or roofing systems. It serves various purposes, including providing a barrier to prevent water ingress, supporting structural components, or enhancing aesthetic design. Upstands are commonly found in areas like balconies, terraces, and around skylights. They can be made from various materials, including concrete, metal, or masonry, depending on the application.