Roof Washing
HEALTHIER & CLEANER
The HWNZ Difference in Roof Preservation and Care
Roof washing isn’t simply about surface cleaning it’s about preserving your house’s most exposed and vulnerable asset. At HWNZ, we offer a bespoke roof washing service refined through 10+ years of experience cleaning high-value, architecturally significant, and heritage properties across Auckland.
Our soft wash method removes organic growth like lichen, moss, and algae without compromising tiles, metal surfaces, flashings, or coatings. The result? A roof that looks immaculate, performs longer, and supports the overall integrity of your house.
Specialists in High Value Roof Cleaning
We provide a confidential, owner led service designed exclusively for discerning house owners. Whether your property features architectural metal, designer tiles, slate, or shingle roofing, our highly trained team works with quiet efficiency and full respect for your house’s privacy and prestige.
What’s Included?
- Onsite inspection and advice about the best way to clean your roof
- Instant removal of all mould, moss and lichen
- All roof surfaces and flashings
- Clean up of any debris from the roof
- Guaranteed mould free for 2 years
HWNZ offer full service exterior cleaning. So, if you require more than just a roof wash, we can discuss other areas such as house wash, gutters and surrounding property at your request.
See The TEAM
Tailored Approach for Colorsteel, Zinc, Slate & Architectural Rooflines
Premium roofing materials require precision and restraint. Our technicians understand the chemistry and surface tension involved in each clean. We use gentle, eco-friendly soft wash solutions and custom low pressure application techniques to avoid corrosion, water ingress, or coating degradation.
Auckland’s Most Trusted
- Over 300 Five Star Reviews
With hundreds of 5-star reviews, our reputation is built on superior results and white glove, tailored service.
Our Happy Clients
Prevent Long-Term Damage. Maintain Prestige.
Organic buildup, like moss and lichen, can degrade roof surfaces, retain moisture, and lead to costly repairs. Our soft wash roof treatment eliminates these risks without brute force, extending the life of your roofing materials and protecting your investment.
Trusted to Wash
New Zealand’s Best
Why is HWNZ is the preferred option for exclusive property in NZ? We have team leaders on every job site. We pride ourself in service, safety and exceptionally clean results. We are officially the highest rated exterior operator in Auckland with over 300 5 Star Google Reviews.
We send before and after photos immediately upon completion to confirm the job was done as quoted.
Come Home to
QUALITY
For more than 7 years, HWNZ has earned a name for quality and customer service. The property owners we serve rely on us for detail-oriented, consistent cleaning services, every single time we wash their homes and businesses.
Here to Serve
With the right team and the right experience, our team is fully equiped to serve you with the best service and the best results.
The Right Equipment
The Right Team
- Hybrid fleet
- Fully insured
- Pure water system for a spot-free finish
- Fully trained, specialist team
- Soft washing equipment
- Health & Safety Compliant
Call us now to discuss your requirements and receive a no obligation, free quote.
The Right Tools
for the Job
Exterior cleaning requires not only care and attention to detail, but the right tools for each specific washing task.
HWNZ invest in the right equipment to run any exterior job efficiently and safely. Our fleet of hybrid vehicles keep our carbon footprint as low as possible and the correct size machines power through work safely and thoroughly.
Our pure water systems leave you with a better, spot free result on any windows that need cleaning and our extension equipment get to all those hard to reach spots effectively.
We invest in the right equipment so you don’t have to worry about the pain of maintenance and equipment that doesn’t go to good use. Call the HWNZ team for a free Quote
Our Equipment
Owner Led Service. Guaranteed Results. No Subcontractors.
With HWNZ, you deal directly with the owner. Our commitment to confidentiality, quality, and care is built into every job we undertake. From first contact to final inspection, your satisfaction is our standard.
FAQs
Regular roof washing can help to remove harmful elements such as algae, moss, and debris that can cause damage to your roof. It can also improve the overall appearance of your house and increase its value.
We use a combination of soft washing, environmentally-friendly cleaning solutions, and specialised equipment to wash roofs effectively. Our methods are safe for all roofing materials and will not damage your roof.
We take great care to protect your landscaping and other exterior features of your house during the roof washing process. We use special equipment and techniques to ensure that your property is not damaged during the service.
We recommend removing any outdoor furniture or other items that may be in the way of the cleaning process. We also recommend closing all windows and doors to prevent water from entering your house during the washing process.
Yes, roof washing can remove moss, algae, and other organic matter from your roof. Our technicians use specialised cleaning solutions to kill and remove these organisms, leaving your roof clean and free of stains.
The time it takes to wash a roof depends on the size of the roof and the level of cleaning required. However, most roofs can be cleaned within a few hours.
No, you do not need to be at the house during the roof washing process. Our technicians are trained professionals and will care for your roof while you are away.