Roof Purlins offered by the company are beams which are horizontal and are used for structural support in the construction activities of buildings. Mostly, purlins are main components of ceilings or roof structures. These purlins are supported either by rafters or by building walls along with the roof deck that is laid over the purlins. In the area of steel construction, the term purlin basically refers to roof framing members that are parallel to the building eave, and are assigned to support the roof decking or sheeting.  Roof Purlin are in turn supported with the help of rafters or walls.