Why do Copper Pipes turn Green?

Copper is a chemical element, with its distinctive colouring. It is soft and malleable, whilst boasting excellent thermal and electrical conductivity.

Copper pipes are a popular choice for plumbing systems. They are durable, corrosion-resistant, and can withstand extreme temperatures and conditions.

Green Copper Pipe

A green or green-blue coating on copper pipes indicates that oxidation has occurred. This is very common, and often happens in areas prone to fluctuations in temperature, high humidity, or crawl spaces.

The green coating is called verdigris, and is a form of copper carbonate. Copper carbonate is formed when the copper reacts with oxygen, carbon dioxide, and water over a period of time.

It is actually helpful in providing the copper with a protective layer, preventing further corrosion. The Statue of Liberty is now green in colour, due to this process of copper carbonate forming over its surface.

Green on the outside of pipes is usually completely harmless.

Suppliers of Copper Pipe

Green occurring inside copper pipes, or green tinged water can indicate a significant issue. This would indicate copper leaching into the water supply, requiring the pipes to be professionally replaced. Failure to do so could result in health issues.

Specialist suppliers of copper pipe as well as relevant fittings and connectors can assist you with replacements.

Whether for use in domestic or commercial settings, a specialist supplier stocks all available ranges of copper pipe sizes. These are suitable for the transference of a wide range of mediums, from water and steam, to food and industrial products.

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