CMIWA are Perth’s leading suppliers of steel roofing sheets

At Combined Metal Industries, our range of sheet metal roofing supplies and walling products are manufactured using the finest metal roofing materials available, including the patented COLORBOND® corrugated roof sheeting system. We’re a market leader in metal roofing supply and manufacturing in Perth, and with our dedicated workshops we have the capacity to deal with orders of any size.Whether you need steel roofing products for a large commercial project, a domestic roof, a carport or patio roofing, we’ve got you covered.

We offer a complete range of roof COLORBOND® roof sheets for sale and our skilled team of metal roofing manufacturers can design and engineer custom made solutions to meet your exact specifications. You’ll find COLORBOND® roof sheet profiles, cladding, colours, styles and finishes to suit virtually every application through us. Our steel roof supplies are suitable for both domestic and industrial construction roofing purposes and they are manufactured to all of the relevant Australian standards.

Our in-house quality control systems and low overheads, means we can supply superior quality COLORBOND® roof panels and sheeting in a wide range of colours at competitive prices. Whether you’re looking for coloured corrugated roofing sheets in subtle shades to blend in with the Australian environment or dramatic colours that will add a modern, sleek feel to your property, we can help. Our coloured sheet metal roofing can be easily matched with your existing home features and surroundings.

Our services include:

  • Design consultation
  • Powder coating in full range of colours
  • Expert manufacturing to agreed specifications
  • Custom packaging & delivery options
  • Delivered in full on time

Get in contact with one of our offices today to find how we can cater to all your steel roof sheet needs. We deliver to all Perth Suburbs and Western Australia wide.

Explore Our Roofing Products


Residential Roofing & Walling

Our roofing and walling products are manufactured using the finest materials and include a range of roof profiles, cladding, colours, styles and finishes to suit virtually every application.


Gutters, Downpipes, Rainwater Goods

Whatever your gutter, downpipe or fascia needs, we have the materials to match and compliment your existing materials, or to create a whole new look for your home or building.


Commercial / Industrial

Our roofing and walling materials are manufactured from the highest grade BlueScope Steel and can be custom designed for your specific project requirements.



Combined Metal industries supply a complete range of fabricated products including patio products and a full selection of installation components.


COLORBOND® Roofing Colours

Contemporary Colours

Evening Haze®
Shale Grey®

Classic Colours

Classic Cream®
Cottage Green®
Deep Ocean®
Manor Red®
Night Sky®
Pale Eucalypt®
Woodland Grey®

Sheet Metal Roofing Cost

COLORBOND® roof sheets are a cost-effective and low-maintenance solution, but the final roofing steel sheet price will depend on a variety of factors including the materials you choose, the scale and complexity of your project and the labour required. For an estimate and understanding of the metal roofing sheets price for your project, speak to local suppliers and installers. Our team of experienced designers and steel roof manufacturers have many years of experience in the supply and fabrication of steel roofing and walling and can provide you with a quote. Get in touch with us today to find out more.