Hospital-grade Commercial Cleaning Since 2014
Professional Building Washing Services in New Zealand
Building exteriors are regularly exposed to dirt, airborne pollutants and organic growth. QualGroup provides professional building washing services for residential and commercial properties across New Zealand, using appropriate pressure washing and soft washing methods based on the building material and surface condition.
- Trusted by businesses across
- Bay of Plenty
- Waikato
- Auckland
- Wellington
- Canterbury and throughout New Zealand.
Complete Building Exterior Care
Surface-Specific Cleaning Techniques
200+ Trained & Vetted Cleaning Staff
Healthcare-Inspired Cleaning Approach
ISO 9001:2015 Quality Management
12+ Years of Carpet Cleaning Experience
Building Washing Services for Commercial & Residential Properties
Specialised Cleaning for Different Exterior Surfaces
QualGroup’s trained cleaning professionals use specialist equipment and appropriate washing methods to deliver building exterior cleaning services for different materials. Our team brings 12+ years of practical experience and surface knowledge to commercial and residential building washing projects across New Zealand.
- Painted Exterior Walls
- Concrete and Masonry
- Brickwork
- Exterior Cladding
- Metal Building Panels
- Rendered Surfaces
- Commercial Building Facades
- Suitable Exterior Glass Surfaces
Our Building Exterior Cleaning Services
Our building washing services cover a range of property types and exterior surfaces across New Zealand. Each cleaning approach is selected according to the material, level of buildup and specific maintenance requirements.
Commercial Building Exterior Washing
Commercial exterior building cleaning removes accumulated dirt, grime and environmental buildup from office buildings, retail spaces and other commercial properties.
Commercial Building Pressure Washing
Commercial building pressure washing tackles stubborn dirt, grime and organic buildup on suitable exterior surfaces.
Soft Washing for Building Exteriors
Soft washing uses low-pressure water and suitable cleaning solutions to treat mould, moss and algae on delicate exterior surfaces.
Industrial and Warehouse Building Washing
Industrial and warehouse exterior washing addresses accumulated dust, grime and environmental deposits on large building surfaces.
Residential Building Washing
Residential building washing removes dirt, cobwebs, mould and organic growth from house exteriors.
Multi-storey Building Exterior Cleaning
Multi-storey building exterior cleaning tackles accumulated dirt and environmental buildup on elevated surfaces using methods suited to the building materials and access requirements.
Our Building Washing Methods – Pressure Washing vs Soft Washing
Since 2014, QualGroup has provided professional building exterior cleaning services, using suitable washing methods and specialist equipment based on each surface’s material and condition.
Pressure Washing
A high-pressure cleaning method used for commercial building pressure washing, removing stubborn dirt, grime and buildup from durable surfaces such as concrete, brickwork and masonry. Equipment such as our AR Pressure Washing Machine and Surface Cleaner supports effective cleaning of suitable hard surfaces.
Explore our pressure washing servicesSoft Washing
A low-pressure cleaning approach that uses suitable cleaning solutions to treat mould, moss and algae on more delicate exterior surfaces. Our North Star Soft Wash System supports the application of cleaning solutions to painted walls, rendered finishes and other surfaces that require gentler treatment.
Explore our soft washing servicesReady to Work With QualGroup?
Whether you’re looking for a trusted cleaning partner or exploring a franchise opportunity, we’re here to help.
Give Your Building Exterior a Professional Clean
Dirt, grime, mould and organic growth can affect your building’s exterior. Let QualGroup assess your property and recommend a suitable cleaning solution.
Own a QualGroup Franchise?
Our Building Washing Process
Professional Expertise, Specialist Equipment And Quality-Focused Cleaning At Every Stage
Property Assessment
We inspect the building's exterior for dirt, weather staining, mould, moss, algae and salt deposits, considering local weather and environmental exposure.
Cleaning Method Selection
We choose suitable methods based on the surface material and condition, considering the risk of damage to paint, cladding, brickwork and other finishes.
Site Preparation And Safety Checks
We assess site access, nearby people and surrounding property, taking precautions around entrances, walkways, landscaping and drainage areas.
Professional Building Washing
Our trained professionals use specialist equipment to carry out the agreed work, including pressure washing and soft washing.
Final Inspection And Quality Checks
We inspect the treated surfaces for remaining stains, organic growth and missed areas, reviewing the overall cleaning results.
Building Exterior Problems That Require Specialist Cleaning
QualGroup combines professional cleaning expertise with its High-Performance Cleaning (HPC) Methodology to assess exterior surfaces and their cleaning requirements. We select suitable pressure washing or soft washing techniques based on the building materials, surface condition and level of soiling.
- Mould and mildew growth on exterior walls due to damp conditions and moisture exposure.
- Moss, algae and lichen buildup on shaded walls, cladding, concrete and masonry.
- Rainwater streaks, runoff marks and weather-related staining on building facades.
- Coastal salt deposits on exterior walls, windows, metal fixtures and cladding.
- Airborne dust, traffic emissions and industrial pollution accumulating on exterior surfaces.
- Bird droppings, cobwebs and insect debris around windows, eaves and sheltered corners.
- Stubborn dirt, grime and organic deposits affecting the appearance of concrete, brickwork and other exterior materials.
- Surface contamination on painted weatherboards, render and delicate cladding that requires careful cleaning to avoid damage.
About QualGroup
Your Professional Building Washing Company in New Zealand
- Environmentally Responsible Cleaning
- Green Seal Certified
- Professionally Trained Teams
- Certified Quality Management
12+
Years of Excellence
Trusted By
400+ Leading Kiwi Organisations
Our Building Washing Projects & Customer Testimonials
Explore our building washing projects across New Zealand and read customer testimonials about QualGroup’s professional building washing services.
Recognised Certifications & Uncompromising Quality Standards
QualGroup’s building washing services are supported by certified quality management systems, industry accreditations and environmentally responsible cleaning practices. Our commitment to professional service delivery, trained teams and consistent quality standards guides our property care services across New Zealand.
Our Certifications & Industry Accreditations
- ISO 9001:2015 Certified
- SHE Pre-Qual Accredited
- Green Seal Certified Products
- IICRC Certified
- SiteWise Accredited
- Finalist, 2016 Westpac Rotorua Business Excellence Awards
- Finalist, 2026 35th Tompkins Wake Rotorua Business Awards
Beyond Cleaning
Training, Growth & Giving Back
QualGroup is more than a cleaning company. We’re committed to developing skilled professionals, empowering entrepreneurs, and creating a positive impact in the communities we serve.
Every QualGroup specialist is trained through our proprietary QualClean Academy in evidence-based cleaning practices, healthcare-inspired principles, and the High-Performance Cleaning (HPC) Methodology before serving our clients.
Become part of a growing network of 20+ franchise partners delivering trusted cleaning services across New Zealand.
Supporting families affected by cancer with free house cleaning through QualGroup’s charitable initiative.
Frequently Asked Questions
Can you clean warehouses and industrial building exteriors?
Yes, QualGroup provides building washing for warehouse and industrial building exteriors across New Zealand. Our team uses suitable pressure washing and soft washing methods to remove accumulated dirt, grime and organic buildup.
Is soft washing suitable for painted building surfaces?
Yes, soft washing is suitable for many painted surfaces because it uses lower water pressure and appropriate cleaning solutions. QualGroup selects suitable techniques based on the paintwork, surface condition and type of contamination.
Do you provide building washing services for large commercial and multi-storey properties?
Yes, large commercial building exteriors can be cleaned using methods suited to their size, materials and access requirements. QualGroup assesses each property’s requirements before recommending a suitable building washing approach.
Do you provide window cleaning for commercial buildings?
Yes, commercial exterior windows can be cleaned using specialist pure water systems. QualGroup uses the Go H2O Pro Pure Water Window Cleaning System to support exterior glass cleaning.
How do you protect exterior surfaces during building washing?
Surface protection starts with assessing the building material and its condition before selecting the cleaning method. QualGroup considers suitable water pressure and washing techniques for different exterior surfaces, including painted walls, cladding and concrete.
Do you provide building washing services across New Zealand?
Yes, QualGroup provides building washing services across New Zealand, with its head office located in Rotorua, Bay of Plenty. Contact our team to check service availability in your area.
Do you clean entire building exteriors or only selected sections?
Building washing can cover an entire exterior or specific sections, depending on the property’s requirements. QualGroup assesses the areas requiring attention and recommends suitable cleaning methods.
Can high-pressure washing damage building exteriors?
Yes, excessive water pressure can damage delicate surfaces, paintwork and certain types of cladding. QualGroup assesses exterior materials before selecting appropriate pressure levels and cleaning techniques.
Can building washing remove accumulated dirt and grime?
Yes, building washing removes accumulated dirt, grime and many types of surface buildup. QualGroup uses suitable pressure washing and soft washing methods for commercial and residential building exteriors.
Schedule Your Free Site Audit
Tell us a little about your space and one of our specialists will get back to you within one business day.
Head Office:
Unit 6/3 Hyland Crescent, Mangakakahi, Rotorua 3015, New Zealand.
Email:
info@qualgroup.co.nz
Phone:
0800 800 353
Working Hours :
24 x 7
Providing Building Washing for Commercial & Residential Properties Across New Zealand
Need expert care for your building’s exterior? QualGroup provides building washing services across New Zealand through trained teams and quality-focused cleaning practices.
Key Service Areas
- Bay of Plenty
- Waikato
- Auckland
- Wellington
- Canterbury & Expanding Across New Zealand