Wash NZ made it safe and tidy in one visit — we felt relieved straight away.
Don’t let moss and lichen damage your roof
Our roof treatment clears growth safely over time, extending the life of your tiles or steel and improving the look of your property from the street. It’s a cost-effective way to maintain your roof without the risk of pressure damage or unnecessary repairs.
Services We Offer
Moss and Lichen Treatment
We apply a gentle treatment that works over time to remove roof growth. It’s safe, effective, and helps protect your roof for longer.
Coloursteel and Tile Roof Care
Every roof is different. We match our method to your materials to protect paint, tiles, and coatings while still getting a clean result.
Preventative Roof Maintenance
We believe in long-term results. Our roof treatments help you avoid costly damage later — a small job that saves big headaches.
Gutter-Line Treatment Zones
We treat areas where moss and lichen tend to collect, especially near gutters. The result is a cleaner edge and a better-looking roofline.
Problems We Solve
We were worried about guests slipping on our mossy concrete steps
Our patio had years of built-up dirt and stains
It came up better than we expected — we use the space again now.
Moss and lichen were taking over our roof and we didn’t know what to do
Wash NZ treated it safely and explained the process — now we know it’s protected.
We were told we’d need expensive roof repairs
Their treatment saved the roof — no repairs needed once the moss was gone.
Need help with problems like these?
Why Choose Us?
Competitive Pricing
Affordable rates without compromising quality.
Credibility
Building trust and quality service since 2015.
100% workmanship satisfaction guarantee
100% workmanship satisfaction guarantee
Kiwi Ownership
100% locally owned, reflecting community values.
Frequently Asked Questions
A roof treatment is a low-pressure chemical application that kills moss and lichen, letting rain gradually remove the residue. It’s gentler and safer for coatings than a high-pressure wash.
Request a Free Quote
We offer roof treatments and moss control across Auckland.
Avondale, Blockhouse Bay, Epsom, Glen Innes, Grey Lynn, Henderson, Howick, Manukau, Mt Albert, Mt Eden, New Lynn, Onehunga, Pakuranga, Papakura, Parnell, Ponsonby, Remuera, St Heliers, Takapuna, Te Atatu, Westmere