+Rebar, short for reinforcing bar, is a [steel](/wiki/steel) rod or mesh used to strengthen [concrete](/wiki/concrete) structures. It provides crucial tensile strength, preventing cracking and ensuring durability under load. This simple element is fundamental to modern construction, making buildings resilient.
+## See also
+- [Reinforcement](/wiki/reinforcement)
+- [Building](/wiki/building)
+- [Foundation](/wiki/foundation)