PEBs and RCCs are poles apart. One very notable aspect comes right at the start — making. While RCCs are made on-site completely, a PEB structure manufacturer takes care of the making process entirely in the factory. This means that the construction of steel structures is the only thing happening on-site when it comes to PEBs. Web : Pre-engineered Building (PEB) Vs Reinforced Cement Concrete (RCC) — Pinax Steel Industries Pvt. Ltd.