Sarking is a highly beneficial product installed in homes and other buildings. Roof sarking will help to keep your home cooler and increase its thermal performance, which can help reduce your heating and cooling costs. Roof sarking will also be an additional barrier between your home and the outdoors. It’ll limit the dust and other unwanted debris entering the roof cavity, reducing the impact bushfires have on your home.


In Australia, sarking is often a requirement in new homes, and you’ll need to ensure it is installed correctly. During a new home build, it is vital that you have the sarking checked as a part of your building inspection to ensure your property meets current regulations for your area.

What is sarking?

Sarking is a flexible membrane usually installed under the roof material (tile, steel, etc.) and the outside walls of your home. The sarking will act as a protective second skin on your home, working with other insulation installed and increasing its effectiveness. You can consider sarking as an additional barrier that helps to keep out objects that can damage your home, such as fire embers, dust, condensation, and rain during thunderstorms.


In Australia, many different climate types and extreme weather events. Sarking is designed to add layer of protection during these events. For example, a home with sarking will have a higher survival rate during a bush fire event compared to a home that does not have sarking installed. Sarking is often mandatory if you’re building a home in a bushfire-prone area.


Sarking will also help to reduce your heating and cooling costs. In many parts of Australia, sarking is becoming a requirement in energy-efficient homes. If you have questions about sarking on your new home, you can call Owner Inspections, and we can advise at which stage of your building process the sarking need to be inspected. Our qualified inspectors can examine the sarking on your home to ensure it is installed correctly.

What is wall sarking?

If you’ve visited a new building estate, you’ve likely seen homes with wall sarking. Wall sarking is a thin material used to wrap around the outside of the building. The wall sarking on your property will act as your first defence against debris and weather.


The wall sarking on your home will have a different appearance based on the brand. However, they are mostly made from a tear-resistant woven polymer, which is then laminated with reflective aluminium foil to provide additional protection. When wall sarking is installed, the reflective (or shiny) side will face the inside of the home. The reflective properties of the sarking will help keep the heat inside your home.

When did sarking become compulsory?

In most regions in Australia, sarking is becoming a compulsory element for new home builds. Sarking has many positive benefits to new homes, the most important being an increased energy efficiency rating and reducing the risk that your home will be destroyed in a bush fire.


A qualified inspector should inspect the sarking on your home. At Owner Inspections, we can examine the sarking on your home after it is installed and before the roof, brickwork, or cladding is installed. These inspections will ensure that the sarking is installed correctly and that your home complies with the current building regulations.


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