Top Quality C&Z Sigma Purlins Kerala | Oriental PEB Types and various uses of Purlins Purlins are a strength-giving and supporting factor for wall sheeting. Different types of purlins are available in various height and weight ratio. It is subsequently stronger and easy to install. Purlins are mainly used in the metal building system. There are to types of purlins. Wooden purlins Steel Purlins Other two types are; C purlin and Z purlin C and Z purlins are steel structures. They are used in secondary framing of a pre-fabricated building. This can provide support to the roof and transfer support to the primary structure. Purlins can be used for wide span making. These are ideal for large roof requirements in workshop, factories and wear house. Growth of Purlins in Steel Market The growth in the steel market is calculated based on the demand in the market. Now the market is shrinking to lighter and stronger purlins. That means the real truth is the growth slow and steady....