Scaffolding, also called scaffold or staging,[1] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings,The basic components of scaffolding are tubes, couplers and boards.The tube is made of black steel or galvanized steel,The tubes come in a variety of lengths and a standard diameter of 48.3 mm.Boards provide a working surface for scaffold users.
Other common scaffolding components include base plates, ladders, ropes, anchor ties, reveal ties, gin wheels, sheeting, etc.