Why copper could be the perfect roofing material for a contemporary extension

Putting a contemporary extension on your home could be a savvy move. As well as giving you extra living space and potentially improving the appearance of your property, this addition could significantly raise the value of your house. However, there’s a knack to getting extensions right, and one of the issues you’ll need to consider when you’re planning this project is which material you’ll use for the roof. One option that’s well worth considering is copper. Here, we take a look at a few of the reasons why it may make sense to opt for this metal. 

A distinctive look that improves with age

Many roofing materials, from slates to asphalt shingles, can look run of the mill. Copper, in contrast, has a highly distinctive, attractive appearance. Over time, the metal develops a greenish hue. The specialist roofing website www.petersroofing.co.uk points out that this occurs as the material reacts with air. First, a layer of copper oxide forms. Next, cuprous and cupric sulphide forms, followed by the recognisable layer of copper carbonate. Also called patina or Verdigris, this layer can give roofs a stunning appearance and it means that, unlike many other materials, copper improves with age. So, if you want your extension to stand out, this could be the perfect option.


As well as creating an eye-catching colour, the chemical reaction that occurs on the surface of copper when it reacts with the environment around it creates a protective layer – and this helps to ensure the material is long-lasting. In fact, roofs crafted from this metal have been known to last for many hundreds of years. It’s usually the substrate underneath it that eventually fails and needs to be replaced. This longevity means copper roofs require little maintenance and they offer impressive value for money over the long term.

Lightweight and easy to work with

Copper is also lightweight, meaning it won’t put much stress on the structure of your home. In turn, this can make planning your extension easier and it frees you up to be more creative in your design. The metal is easy to work with too. It is usually rolled to thicknesses of 0.6mm to 0.7mm and is highly malleable. It can also be worked at any temperature, even during cold spells in winter. This is especially useful if you’re planning to build your extension during the chillier months.

With benefits like these, it’s little wonder that copper has been a popular roofing material for centuries. If you want something a little out of the ordinary to help set your contemporary extension apart, it could be ideal solution.

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