Perth’s leading supplier of residential steel roofing supplies

At Combined Metal Industries, our range of roofing and walling products are manufactured using the finest materials, including the patented COLORBOND® system. We offer a complete range of roof profiles, cladding, colours, styles and finishes to suit virtually every application. Our steel roofing supplies are suitable for both metal roofing for residential homes and for industrial construction roofing purposes and they are manufactured to all of the relevant Australian standards. Combined Metal Industries is the market leader in metal roof and fencing products in Perth, and we have the capacity to deal with orders of any size. For the best metal roofing for residential homes in Perth contact one of our offices today to find how we can cater to all your needs.

Our in-house quality control systems and low overheads, means we can supply superior quality roof sheeting and panels in a wide range of colours at competitive prices. Whether you need roofing for a large commercial project, a domestic roof, a carport or patio roofing, we will have you covered. We deliver to all Perth Suburbs and Western Australia wide.

Our services include:

  • Design consultation
  • Engineering
  • Expert manufacturing to agreed specifications
  • Custom packaging & delivery options
  • Delivered in full on time
  • JIT service to match your production requirements
  • Delivered in full on time

Why residential steel roofing?

Metal roofing offers an excellent alternative to tiling and has a number of benefits that make it an attractive option for residential homes. The best metal roofs for residential properties are made from quality materials which are highly durable. Steel materials are often extremely weather resistant and are an ideal choice for dealing with WA harsh climate and unpredictable weather conditions – they will for instance hold up exceptionally well in a hail storm and won’t hold heat in the same way that cement tiles and materials will, making them the best option for keeping your home cooler in the summer. They’re also fire-resistant, termite proof and won’t warp which means they’ll enjoy a long life with minimal maintenance required. Metal roofing is available in a vast range of colours and profiles, so the options are endless when it comes to choosing the look and feel of your home. Because metal roofing is relatively lightweight, it also allows for greater flexibility in the internal design of new homes.


  • Available in ZINCALUME® & COLORBOND® Steel
  • COLORBOND® Ultra is also available for Marine environments
  • CMI Corrugated sheeting has been tested & approved for use in Cylconic regions.
  • Suitable for roofing & walling applications
  • Ask about our Roof Take Off service or request a no obligation quote for your project.
  • Sheets are custom made to minimise waste/cost & assist with ease of installation. Allow two working days for manufacture.

ComClad – Now available in WA

Comclad roofing and walling was designed by Combined Metal Industries’ innovative team to service the requirements of construction companies throughout Western Australia.

It is ideally suited for virtually every application where a durable and rugged product is needed for all types of roofing and cladding. It is extremely easy to fit and it is delivered custom-made for our customers’ specific requirements for a perfect fit every time.


  • Suitable for roof pitch > 2°
  • Manufactured with the highest grade materials
  • Designed to withstand the constant stresses of extremes in temperature and humidity
  • Available in a range of COLORBOND® Steel colours
  • COLORBOND® Ultra is also available for Marine environments (not all COLORBOND® colours are available)
  • Suitable for Roofing and walling applications.
  • Sheets are custom made to minimise waste/cost and assist with ease of installation.
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Standard conditions – maximum spacing of supports

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Comclad and TRIMDEK® What is the difference?

Comclad roof and wall cladding was specifically designed by Combined Metal Industries to offer similar benefits to the residential and commercial market as TRIMDEK® cladding. The two products both feature bold, trapezoidal ribs and subtle fluting in the pans and will withstand the stresses of extreme weather conditions. Both are suitable for use for minimum 2 degree pitch. Available in all the COLORBOND® colours, CMI’s Comclad cladding is custom made to your exact lengths and is available for a quick turnaround.

Evening Haze®
Shale Grey®

Classic Colours

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