Roof Moss & Mould Treatment Auckland
Moss, mould, algae, and lichen can trap moisture on your roof, affecting its appearance and, over time, contributing to the deterioration of roofing materials. Regular roof treatment helps control organic growth and keeps your roof looking cleaner for longer.
At Wash N Clean, we provide professional roof moss and mould treatments for homes, commercial buildings, schools, apartment complexes, and body corporates throughout Auckland. Our low-pressure application is suitable for concrete tile, metal, decramastic, and many other roofing materials, allowing the treatment to work without the need for aggressive high-pressure cleaning.
Every roof is different, so we assess its condition, roof type, and level of moss or mould growth before recommending the most suitable treatment. Our goal is to help extend the life of your roof while improving the overall appearance of your property.
Whether your roof requires preventative maintenance or treatment for established moss and mould growth, contact Wash N Clean for a free roof treatment quote anywhere in Auckland.
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Why Choose Us
- 15+ Years of Experience – Trusted by Auckland homeowners, property managers, and commercial clients since 2010.
- Low-Pressure Soft Washing Specialists – Safe cleaning methods tailored to your home's exterior to minimise the risk of surface damage.
- Qualified & Safety Focused – Working at Heights and EWP-trained technicians with our own cherry picker for difficult access.
- Site Safe Gold Member – Committed to maintaining high health and safety standards on every project.
- ECIA NZ Member – Proud members of the Exterior Cleaning Industry Association New Zealand, following recognised industry best practices.
- Fully Insured – Public liability insurance for your peace of mind.
- Commercial-Grade Equipment – Professional equipment and environmentally responsible cleaning solutions for reliable, consistent results.
- Residential & Commercial Services – From family homes to apartments, schools, body corporates, and commercial buildings.
Our Roof Moss Treatment Process
Inspection
We inspect your roof to assess the extent of moss, mould, and lichen growth, identify any potential issues, and determine the best approach to treatment.
Application
We apply our roof treatment solution using instant on-site application, without needing to walk on your roof, minimizing any physical damage.
Waiting
Our roof treatment takes around few months to kill all the lichen, turning it from green to pale yellow.
Natural wash
Over time, wind and rain wash off the dead lichen naturally. Thus treatment is important for long life of roof.
Ready to transform your roof? Contact Wash N Clean today to schedule your roof moss treatment appointment and keep your roof looking brand new.
Don't Wait!
PROTECT YOUR ROOF’S VALUE WITH OUR EXPERT ROOF TREATMENT.
At Wash N Clean, we pride ourselves on providing top-quality roof moss treatment solutions that meet the needs of our customers. Our roof treatment solution is safe, effective, and long-lasting, providing the best clean for your roof while minimizing risk.
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or contact us online.
How It Works
Our Simple Process
Inspection
Application
Waiting
Natural wash
Maintenance
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TRUST US TO CLEAN YOUR EXTERIOR TO THE HIGHEST STANDARDS.
Frequently Asked Questions.
What is roof treatment?
Roof treatment involves the application of specialized products and techniques to maintain, protect, and enhance the longevity of a roof. This can include cleaning, sealing, coating, and treating the roof to prevent damage from moss, algae, lichen, and weathering.
Why is roof treatment important?
Regular roof treatment helps prevent the buildup of harmful substances like moss and algae, which can cause damage over time. It also protects against weather-related wear and tear, extending the lifespan of your roof and maintaining its aesthetic appeal.
How often should I treat my roof?
The frequency of roof treatment depends on the material of your roof, the climate in your area, and the specific treatment used. Generally, it’s recommended to have your roof treated every 2 years.
Do you walk on the roof to apply the treatment? I'm concerned about potential damage to the tiles.
Generally, we avoid walking on the roof. Instead, we apply the treatment from the gutter line or we utilize our Boom lift. When there is no other option, we can safely walk on your roof using a harness, as we are certified for working at heights.
Is it possible to treat a roof during wet weather, or does it require dry conditions?
No, roof treatment must be conducted during dry weather conditions, and there must be at least 4 hours of subsequent dry weather after the treatment has been applied for it to be effective.
How much time does the roof treatment require to effectively eliminate moss and mold?
Typically, a moss and mold roof treatment takes approximately 16 weeks to eliminate moss and mold from your roof. Moreover, it ensures cleanliness for up to 2 years following the treatment.
What are the benefits of hiring a professional roof treatment service?
Professional roof treatment services offer several benefits, including:
Expertise in selecting the right products and techniques for your roof type.
Access to professional-grade equipment and treatments.
Ensuring safety during the treatment process.
Providing warranties or guarantees on their work.
How can I maintain my roof between treatments?
To maintain your roof between professional treatments, you can:
Regularly inspect your roof for signs of damage or buildup.
Keep gutters and downspouts clear of debris.
Trim overhanging branches to prevent debris accumulation.
Address any small issues promptly to prevent them from becoming larger problems.
If you have any other questions or need further information, feel free to contact a professional roof treatment service provider. They can offer personalized advice and solutions tailored to your specific needs.
Can I have my roof treated if I am on tank water?
Yes, you can have your roof treated even if you rely on tank water. However, it’s crucial to take certain precautions to ensure the safety of your water supply.
Inform Green N Clean: Let Green N Clean know that you are on tank water.
Disconnect the Water Supply: Before treatment begins, make sure to disconnect the downpipes to prevent any chemicals or debris from entering your water tank.
Re Connect the System: After the treatment has been completed and enough time has passed for any chemicals to break down or wash away (as advised by Green N Clean), you can then reconnect your downpipes to your tank supply.
By following these steps, you can have your roof treated without compromising the safety and quality of your tank water.
Can you remove graffiti from all surfaces?
Yes. We provide professional graffiti removal across Auckland for homes and businesses. Our team safely removes graffiti from brick, concrete, painted walls, timber, metal, glass, fences, roller doors, and more using the most suitable cleaning method. Contact us for a free quote and fast, reliable service.
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Our Happy Clients
Tina Parsons
These are guys are terrific! The housewash after they had finished left my house beautifully clean. I would recommend then 100%. No fuss - just washed the house within an hour and a bit and packed up and left. Great service and will definitely use them again next time the house needs a wash. Oh and they were the best price out of 4 other house washing businesses that I had looked at !!
Neha Dahuja
clean to my rental property including cleaning the gutters. We had spiders living around the windows and now they're sparkly!! Appreciate the great effort Team. Would highly recommend this company and will use again
Nikki Pemberton
Fantastic and trustworthy company! I have been using the services of Wash N Clean for over a year now with the company I work for, Wendell Property Management. Julie, Rav and their team are wonderful and so polite. They consistently provide us with outstanding service. They charge very fair rates for their work and always go above and beyond. I highly recommend them to everyone!!!






