So what exactly is a Secondary Framing System? Let’s get to know the advantageous of secondary framing and why one should use them when it comes to Pre-Engineered buildings. Secondary framing comprises of numerous elements which reinforce and assist the roof and wall sheeting and then completely transfer the load to the primary framing. These framing primarily include Roof Purlins, Mezzanines, Wall Girts, Cranes, etc. Let’s understand and analyse each individual component of the Secondary Framing from a perspective of an oblivious person regarding Pre-Engineered buildings.