Z Purlin

Z Purlins are secondary structural members in a PEB

They are cold-formed steel sections shaped like the letter “Z”.

Used to support roof sheets and wall cladding, transferring loads to the main frame (rafters/columns).

A cold-formed steel section shaped like the letter “Z”.

Placed horizontally on the main steel frame.

Provides support to roofing sheets, wall cladding, and decking.

Common sizes: 140 mm – 350 mm deep, thickness from 1.5 mm – 3 mm.

Advantages of Z Purlin

✅ Lightweight yet Strong – Reduces steel consumption.
✅ Cost-Effective – Cheaper than heavy hot-rolled sections.
✅ Easy Installation – Bolted or screwed directly to rafters.
✅ Continuous Spanning – Overlapping allows longer spans with fewer supports.
✅ Versatile – Can be used for roofs, walls, and floors.