How Long will Galvanised Pipes Last?

Mar. 15, 2021

The average lifespan of galvanised pipes is between 40 and 50 years. However, well constructed, installed and maintained pipes can easily exceed the typical lifespan. Read below for more information on the service life of galvanised pipes from galvanised pipe supplier.

Galvanised pipes are rarely used in modern construction

The heyday of galvanised steel pipes was before the 1960s. Towards the end of the century, other materials became popular and fewer houses were built using galvanised steel pipes. However, they are still sometimes used when building new houses or when replacing old pipes.

If your house has galvanised pipes, it is important to know how old they are. If the pipes may have started in the 1960s or earlier, they should be nearing the end of their useful life. However, you may not be sure how old the pipes are. In this case, you can be sure that they have been there since the house was built, so use the year of construction to determine the life expectancy of the pipes.

If you are certain that the pipes are at least 40 years old, then arrange a consultation with a plumber. Do not automatically replace galvanised pipes due to age. Although these pipes are obsolete, there is nothing inherently wrong with them. As long as they are kept in good condition, galvanised pipes will work properly without putting anyone at risk.

 Galvanised Pipes

Correct and regular maintenance is the key to a longer service life

The best way to help your galvanised pipes outlive their useful life is to maintain them. Once your pipes have reached the 40-year mark, it's a good idea to have them inspected once a year by a local plumber. The plumber will check the overall health of the pipes during a detailed inspection.

Some of the things that will be checked are the integrity of the pipes, looking for minimal leaks, and buildup within the pipes and corrosion on the outside of the pipes. If it is possible to fix the problem, then your plumber will provide you with a solution. However, the plumber may recommend replacing the pipes. At that point, you will need to discuss more modern options with your plumber.

Signs of faulty plumbing

If you are going to receive annual maintenance from a professional plumber, they should notice signs of a problem before you do so. However, it is not harmful to be told. Here are some common signs that there is a problem with galvanised pipes

Low water pressure

As sediment builds up inside a galvanised pipe, the space available to hold water decreases. As less water flows through the pipe at any given moment, the water pressure will be lower.

Hard water

When the water has a high mineral content, it is considered hard water. This occurs when there is a build-up in the pipes. Signs of hard water include fogged glassware after washing, mineral deposits on taps and showerheads and faded or grey-toned clothing.

Water stains:

Even if you don't see a leak or dampness, water stains mean that water has been leaking and the only source of this should be your pipes. This is a major problem as small leaks can quickly become larger leaks.


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