Purlin are the secondary members used to support the roof and cladding panels.
They Give an Excellent Strenght to weight Ratio.
They also act as structs that helps on resisting part of the longitudinal loads that are the applied on the building such as wind and earthquake loads.
Material : Galvanized
Thickness : 1.8mm to 3 mm
Shape : "c" & "z"
Depth : 170 to 300 mm