How Often You Should Clean Your Home’s Roof

Out of sight, out of mind.”

That’s the attitude many homeowners take towards their roof. Even relatively dedicated housekeepers, who are more than willing to vacuum regularly and maintain their gardens, tend to neglect their duties when it comes to the roof.

The reasons for this are understandable. Roofs are difficult to reach, and dangerous to work on unless you know what you’re doing. A filthy roof is also easier to ignore than, say, a filthy kitchen.

So it’s worth stressing just how important it is to keep your roof clean and well-maintained. Moss, algae, lichen, and decaying leaves are more than an eyesore; over time, they can gradually eat away at the roofing material, and reduce the lifespan of your roof.


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Is it really necessary to clean your roof?

Absolutely! As mentioned, a dirty roof can significantly increase the rate of decay to shingles, slate, and other materials. This means that you’ll have to fork out money for expensive repairs – or even total roof replacement – sooner rather than later.

Does every roof require the same treatment?

The short answer is no. Every roof is unique. Not only the roofing material, but also the location and immediate environment of your property, will influence how – and how often – your roof should be cleaned.

Professional roof cleaners will carefully inspect your roof, paying particular attention to how well-suited it is for different cleaning methods. Many roofs, for instance, are prone to be damaged by pressure washing – and this is a common pitfall faced by people who try to wash it themselves, or who hire a cowboy contractor. Even if the pressure washing itself doesn’t damage the roof, it may in fact void the roof’s warranty. With this in mind, it’s crucial to weigh the costs and benefits of the different cleaning options out there.

At EP Services, we always err on the side of caution. We’ve been successfully cleaning Auckland’s roofs for more than ten years – but we never take risks that could lead to problems much worse than a dirty roof. A careful (and free) roof inspection is the first step we take for every job we do.

How often does my roof need cleaning?

In general, a professional clean every 18-36 months is the way to go. Where exactly your roof falls on this spectrum depends on a few factors, such as:

  • Rainfall levels. If you roof sees a lot of rainfall, this will encourage the growth of mould, lichen, and moss. Hail is also important to look out for, as it commonly damages certain types of roofing material.
  • Amount of shade. If your roof doesn’t get much sunlight, this will also increase the growth potential of the things mentioned above.
  • Proximity to foliage. Falling leaves, pine needles, eucalyptus bark, rodent activity: all these things will mean that you need to get your roof looked at more frequently.

Generally, the first time you ask a professional roof cleaner to look at your house, they’ll be able to tell you what sort of maintenance schedule is ideal for your particular roof. We’d love to help, so contact us today if you want to nip roof decay in the bud and save money in the long run!

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