Rebar Fabrication and Detailing: How Are They Used? Rebar is a metal alloy that was initially used as a material for strengthening the walls of the towers of ancient fortresses. It was also used for the making of the roofs of those buildings. Nowadays rebar has found a wide http://chancedqbmy.timeblog.net/38018864/not-known-factual-statements-about-rebar-construction-drawings