Combined Metal Industries

Innovators in steel since 1985


Commercial Roofing and Walling

COLORBOND® steel commercial and industrial solutions


Steel Framing Solutions

Build your home with the strength of TRUECORE® steel


We provide all types of metal roofing and necessary hardware needed to get the job done right, in a wide range of Colorbond colours.


We supply a complete range of fabricated products including patio parts and a full selection of installation components.


Steel framing is fast becoming one of the most popular and preferred systems for house building in Australia.


All of our fencing can be supplied as a complete system with all the necessary components that are needed for a total installation.

Superior and Effective Roofing Solutions in Western Australia from CMI. A Family Business you can trust with a complete range of metal solutions for all of your roofing and associated product needs.


Highest Quality

We pride ourselves on manufacturing the highest quality products available in our industry.

Family Run

CMI is an independently owned and run family business. We are big enough to deliver, small enough to care.

Our own Fleet

CMI delivers our quality products using our own custom built fleet of trucks

COLORBOND® Steel: Tested in Australian Conditions

At Combined Metal Industries, we have the capability to produce quality COLORBOND® products to suit your specific demands within rapid turnarounds. We can take care of everything you need for practical and attractive metal fencing, roofing, walling, patios, gates, posts and more of amazing COLORBOND® range of products.

Our latest COLORBOND® Steel Project

The Strength of Steel for your home

Build your home with TRUECORE® Steel Framing

Steel framing is fast becoming one of the most popular and preferred systems for house building in Australia. Apart from the obvious savings in both time and money, steel is also a highly durable material, termite and borer proof and is backed by a 50 year warranty.

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Recent Projects

Recent COLORBOND® and TRUECORE® Projects by Combined Metal Industries

National Lintels

Commercial roofing and walling installation using Comclad COLORBOND® materials.

South West Project

Stunning residential project with COLORBOND® roofing and striking guttering.

Wongan Hills

Commercial COLORBOND® Steel Roofing and Walling installation in Wongan Hills