Pre Engineered Buildings - Steel Structural Buildings - Oriental PEB Kerala : What does pre-engineered mean? A pre - engineered building (PEB) is designed by a PEB supplier or PEB manufacturer, to be framed using a finery suited inventory of raw materials available from all kind of sources and manufacturing methods that can mostly satisfy a wide range of structural and aesthetic design requirements. Various systems of PEB – Pre-Engineered Buildings: Primary system: This system consists of tapered or parallel columns or tapered beams which are called rafters. The base of the column is either fixed or pinned based on the load requirements. Secondary system: It includes purlins, grits which are the side claddings and eave struts stiffened by sag rods. This system also includes the flange stiffeners which joins the untied flanges of the PEB primary system to the secondary system. Wind bracing system: ...