Metro water blasting blog

We specialise in residential and commercial water blasting, exterior building washing, low pressure house washing and outdoor surface cleaning. Our exterior cleaning services are guaranteed to meet New Zealand’s highest standards of quality. We are dedicated to providing excellent exterior cleaning services and exceptional customer service.

What Is Roof Moss Treatment and Do You Really Need It? (2026 Guide)

Kulwinder Smagh2026-02-23T17:08:34+13:00February 23, 2026|

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 [...]

Is House Washing Safe for Paint? What Every Homeowner Should Know (2026 Guide)

Kulwinder Smagh2026-02-22T21:32:25+13:00February 22, 2026|

One of the biggest concerns homeowners have before booking exterior cleaning is: “Will house washing damage my paint?” The short answer: When done correctly using soft wash methods — no. When done incorrectly using high pressure — it absolutely can. In this guide, we explain what makes house washing safe [...]

How Often Should You Wash Your House in New Zealand? (2026 Guide)

Kulwinder Smagh2026-02-20T11:11:00+13:00February 20, 2026|

One of the most common questions homeowners ask is: “How often should I wash my house?” The answer depends on where you live, your home’s exposure, and the surrounding environment. In New Zealand, climate plays a major role in how quickly mould, algae, and grime build up on exterior surfaces. [...]

Soft Washing vs Pressure Washing: What’s Best for Your Home in 2026?

Kulwinder Smagh2026-02-19T09:31:35+13:00February 19, 2026|

If you’re considering exterior cleaning, you’ve probably come across two common terms: Soft washing Pressure washing (water blasting) They’re not the same — and choosing the wrong method can cause expensive damage. In this guide, we explain the difference, when each method is appropriate, and why most residential homes in [...]

House Washing Central Auckland: Professional Soft Wash Services Across Inner-City Suburbs

Kulwinder Smagh2026-02-18T10:32:02+13:00February 18, 2026|

Central Auckland homes face constant exposure to traffic pollution, humidity, urban grime, and shaded conditions. From heritage villas in Ponsonby and Grey Lynn to established homes in Mount Eden, Epsom, and Remuera, exterior walls across Central Auckland are highly prone to mould, algae, and dirt buildup. Professional house washing in [...]

House Washing North Shore Auckland: Professional Soft Wash Across All Suburbs

Kulwinder Smagh2026-02-17T09:52:33+13:00February 17, 2026|

North Shore homes are constantly exposed to coastal air, humidity, and salt residue — making them especially vulnerable to mould, algae, lichen, and grime buildup. From waterfront properties in Devonport and Takapuna to family homes in Albany, Glenfield, and Browns Bay, exterior walls across the North Shore require regular soft [...]

House Washing West Auckland: Professional Soft Wash Services Across All Suburbs

Kulwinder Smagh2026-02-16T10:09:27+13:00February 16, 2026|

West Auckland homes are heavily exposed to moisture, tree coverage, and shaded conditions — making them particularly prone to mould, algae, lichen, and grime buildup. From established homes in Henderson and New Lynn to leafy properties in Titirangi and Green Bay, exterior walls across West Auckland require regular soft [...]

House Washing South Auckland: Professional Soft Wash Services Across All Suburbs

Kulwinder Smagh2026-02-15T12:10:53+13:00February 15, 2026|

South Auckland homes face unique exterior challenges — from higher humidity and tree coverage to traffic grime and seasonal rainfall. Across suburbs like Manukau, Papatoetoe, Takanini, Manurewa, Ōtāhuhu, Māngere, Papakura, and Drury, exterior walls are highly prone to mould, algae, dirt buildup, and staining. Professional house washing in South Auckland [...]

House Washing East Auckland: Professional Soft Wash Services Across All Suburbs

Kulwinder Smagh2026-02-14T10:00:00+13:00February 14, 2026|

East Auckland homes are constantly exposed to coastal air, humidity, and seasonal grime. From waterfront properties in St Heliers and Mission Bay to family homes in Howick, Botany Downs, and Flat Bush, exterior surfaces across East Auckland are prone to mould, algae, salt residue, and staining. Professional house washing in [...]

Commercial Roof Washing Hamilton: Professional Cleaning for Warehouses, Offices & Industrial Buildings

Kulwinder Smagh2026-02-12T19:51:21+13:00February 12, 2026|

Commercial roofs in Hamilton are constantly exposed to dirt, moss, mould, lichen, airborne debris, and industrial pollutants. Over time, this buildup affects not only the appearance of your building but also the performance and lifespan of your roofing system. Professional commercial roof washing in Hamilton helps protect your investment, improve [...]

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