Metro Water Blasting · Exterior Cleaning Tips · Auckland Your roof is one of the hardest-working parts of your home — and one of the most neglected. In Auckland, where humidity is high, rainfall is frequent, and the climate encourages rapid biological growth, a dirty roof isn't just an eyesore. [...]
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 [...]
In Auckland, your home’s roof and exterior are constantly exposed to harsh elements — from salt-laden sea breezes in Devonport, to tree-heavy shade in Titirangi, to high-traffic grime in Epsom. Over time, mould, moss, algae, and pollution take hold — and if left untreated, they don’t just ruin your property’s [...]
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 [...]
In Christchurch, moss-covered roofs are a common sight — especially in older suburbs and hillside homes where shade, moisture, and trees create ideal growth conditions. But what looks like a patch of green is actually a slow, silent threat. Moss, lichen, and mould trap moisture, damage roofing materials, and shorten [...]
In Christchurch, your roof is your home’s first line of defence against the elements — but it’s also one of the most neglected areas when it comes to maintenance. Over time, moss, mould, lichen, and grime can build up on residential roofs, especially in tree-lined suburbs or homes with poor [...]
Your roof does more than just keep out the weather — it protects your home’s structure, insulation, and long-term value. In Auckland, where coastal salt, moisture, and moss thrive, regular roof cleaning is essential to prevent long-term damage and costly repairs. At Metro Water Blasting, we help homeowners across North, [...]
The Complete Guide to Commercial Roof Cleaning: Answers to Common Questions Maintaining a clean, moss-free roof is critical for any commercial property. Whether you're a facility manager, property owner, or maintenance professional, understanding the nuances of commercial roof cleaning can save you thousands in long-term repairs and boost your building’s [...]
When it comes to roof cleaning, there’s a lot of confusion between pressure washing and soft washing — and choosing the wrong method can cause more harm than good. At Metro Water Blasting, we’ve cleaned thousands of roofs across Auckland, and we can tell you with confidence: 📌 Soft washing [...]
Most Hamilton homeowners wait too long to clean their roofs — not realizing how much silent damage builds up in the meantime. Between Waikato’s moisture-heavy winters and long, warm summers, Hamilton roofs are exposed to moss growth, UV degradation, salt-freezing cycles, and debris buildup that can cost you thousands in [...]