Autumn is when moss, mould, and lichen begin to take hold on roofs across Auckland. With increased moisture and cooler temperatures, your roof becomes the perfect environment for organic growth — especially in areas like the North Shore, West Auckland, and South Auckland. If left untreated, moss and lichen can [...]
Wellington homes are constantly exposed to wind, rain, and moisture, creating ideal conditions for moss, mould, and lichen to grow on roofs. Over time, this organic buildup can damage roofing materials, block gutters, and reduce the lifespan of your roof. Professional roof cleaning is essential for maintaining your property and [...]
Your roof is one of the most important — and most expensive — parts of your property. Yet it’s also one of the most commonly neglected. Over time, roofs across New Zealand become covered in moss, mould, lichen, and organic growth, which doesn’t just affect appearance — it actively damages [...]
Most homeowners use the word “moss” to describe anything green, black, or dirty growing on their roof. In reality, roofs are affected by three very different organisms: moss, lichen, and algae. Each one behaves differently, causes damage in different ways, and requires a different approach to control. Treating them all [...]
Roof cleaning is one of the most misunderstood exterior services. Many homeowners worry about pressure damage, chemical safety, roof lifespan, and whether cleaning will actually solve moss and lichen problems long-term. These concerns are valid. A roof is one of the most expensive components of a home, and incorrect cleaning [...]
Wellington’s climate is one of the toughest on residential roofs in New Zealand. Strong winds, frequent rain, coastal salt air, and high humidity create the perfect conditions for moss, lichen, and algae to thrive year-round. While roof growth often starts as a visual issue, it quickly becomes a structural and [...]
Central Auckland is home to some of the city’s most iconic properties — character villas, classic bungalows, and tightly packed early-1900s homes. While these houses have timeless appeal, they also face unique roofing challenges that make regular roof cleaning far more important than many homeowners realise. Older roof designs, shallow [...]
Roof cleaning is one of the most important — and most overlooked — aspects of home maintenance in Auckland. While many homeowners focus on house washing or driveway cleaning, the roof quietly absorbs the brunt of Auckland’s humidity, rainfall, pollution, and biological growth year after year. A dirty roof isn’t [...]
Keeping the exterior of your home clean is no longer just about appearances. In 2026, exterior cleaning has become a critical part of home maintenance, property protection, and long-term cost savings. Across New Zealand, homeowners are increasingly searching for solutions like house washing, soft washing, pressure washing, water blasting, mould [...]
Your home’s exterior takes a beating in Christchurch’s climate — moss-covered roofs, clogged gutters, grimy driveways, and weathered decks are all common signs that it's time for a proper clean. But instead of booking separate services, why not refresh your entire property at once? At Metro Water Blasting, we offer [...]