Tophat Purlins

Lightweight, High-Strength, and Built for Efficiency

Versatile Structural Performance

HST Top Hat Purlins are a cost-effective, high-strength solution for a wide range of applications, including roof purlins, wall girts. Manufactured from high-tensile Z275 hot-dipped galvanized steel they deliver excellent durability and corrosion resistance in both internal and moderate external environments.

Key Features

Lightweight yet strong — ideal for spans between 3m and 7m

Symmetrical profile for easy lapping and installation

No cleats, braces, or nogs required

Direct fastening to supports saves time and materials

Ribbed lips for secure fixing

Stable and self-supporting during installation

Available in a full range of sizes from 60mm to 150mm

Custom lengths available, limited only by transport

Easily nested for efficient transport and storage

Efficient by Design

The HST Top Hat section is designed for simplicity and strength. Its symmetrical shape provides uniform load distribution and helps avoid twisting — eliminating the need for extra bracing. Fast, accurate installation and minimal material waste make it the smart choice for modern steel framing projects.