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://lorenzotbfgg.topbloghub.com/6114950/5-easy-facts-about-steel-rebar-detailing-described