If you’ve noticed green moss patches, black streaking, or crusty lichen spots on your roof, you might be asking: “Is this just cosmetic — or do I actually need treatment?” The truth is, roof moss and lichen growth are not harmless. Left untreated, they can reduce your roof’s lifespan, block [...]
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 [...]
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 [...]
Auckland’s wet winters and humid summers create the perfect environment for moss, lichen, and clogged gutters. If your roof is covered in green growth and your gutters are overflowing, it’s time to take action — before you end up with leaks, paint damage, or structural rot. At Metro Water Blasting, [...]
Summer in Auckland means long days, BBQs, and blue skies — but for your roof, it also means UV exposure, debris baking into tiles, and accelerated wear. If your roof is covered in moss, lichen, or black streaks, it won’t just look bad — it may deteriorate faster in the [...]
Wellington’s iconic winds, coastal air, and damp winters make roof maintenance more than just a once-in-a-while task — it’s an essential part of home care. Whether you live in the heritage suburbs of Thorndon and Mount Victoria, or the high-moisture, shaded streets of Khandallah or Karori, your roof is constantly [...]
If your roof has turned green, grey, or black this season — you’re not alone. Auckland’s cold, damp winters make it the ideal environment for moss, mould, and lichen to thrive on roofing surfaces, especially: Concrete tile roofs Decramastic (chip) metal roofs Older Colorsteel or iron roofs Shaded homes in [...]
Christchurch's cold winters bring frost, heavy rain, and the occasional snowfall — all serious threats to your roof. But most roof damage happens before you even see the first winter storm. At Metro Water Blasting, we help Christchurch homeowners protect their properties with professional roof cleaning that removes hidden risks [...]
Auckland’s beauty is undeniable—lush greenery, beautiful harbours, and coastal breezes. But if you own a home here, you know that living near the ocean comes with some hidden challenges, especially for your roof. At Metro Water Blasting, we’ve seen how Auckland’s coastal climate can shorten roof lifespan if proactive [...]
Auckland’s winter weather can be harsh on your home’s roof. Heavy rainfall, strong winds, and salt-laden air from the coast all take their toll. Without proper seasonal maintenance, you could be facing leaks, moss growth, roof degradation, and expensive repairs. Metro Water Blasting shares expert tips for roof cleaning [...]