Summit Building Wash Technologies
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A high-rise building washing machine, designed to do the job safer, faster, cheaper and more sustainably.
This is what a properly cleaned commercial building looks like.
Not pressure-washed. Scrubbed. Direct mechanical contact, surface by surface.
The difference is visible.
It's also measurable, in the condition of the facade, the longevity of the surface treatment, and the time between required maintenance cycles.
15/06/2026
SummitBWT didn't appear from nowhere.
It was built on 40 years of JT Group knowing exactly what buildings need, and exactly what the existing methods get wrong.
That experience is why Summit has transformed the building washing industry with technology that reduces on-site noise, cuts carbon emissions by using exclusively battery-electric machinery, and uses up to 85% less water.
Four decades of problems observed. One technology built to solve them.
11/06/2026
A standard fossil-fuelled pressure washer burns through up to 18 litres of fuel per day. 360 litres a month.
The Electric Water Blaster developed by Summit BWT runs on battery power. Zero fuel. Zero on-site emissions. Each unit saves up to 90kg of CO2 per day compared to petrol-powered equivalents.
For building owners with sustainability reporting requirements, the equipment their contractors use is part of that picture.
09/06/2026
Conventional building wash means personnel over the side of a building.
Rope access. Elevated platforms. Height exposure.
The robotic building wash machine developed by Summit BWT eliminates that entirely. The machine does the work from the ground. No one goes over the edge.
The safety case for this technology is not a side benefit. It is fundamental to how it was designed.
07/06/2026
Behind the machine, there are people who have spent careers in this industry.
Summit Building Wash Technologies was built out of 60+ years of commercial building maintenance experience in New Zealand, through our sister company JT Group.
That background shaped every decision in how the technology was designed - what buildings actually need, what a great result looks like, and what gets in the way of delivering it consistently.
This is SummitBWT, the future of building washing.
We had an amazing run of the Summit robotic building wash machine at Quad 7 in Auckland yesterday, with Ray giving a live demonstration.
The Social Collective - Digital Marketing Boutique Agency team were on site capturing our technology in action - we're looking forward to sharing more of these machines and our latest developments very soon.
Commercial building wash typically means a crew, petrol equipment, and a full day of site coordination.
The Summit battery electric pressure washer fits in the back of a ute. Self-contained, ready to be put to work, and producing zero emissions and no noise on site.
It runs on a single charge for a full commercial day. No fuel. No exhaust. No noise.
Add a battery electric truck like the BYD Shark into the equation and the vehicle itself extends the run time of the pressure washer.
One integrated, emissions-free setup from transport to clean.
03/06/2026
Most commercial buildings are still being cleaned the same way they were 40 years ago.
The standard has moved. Mechanical scrubbing. Precision water use. No abseilers over the side of the building.
Built on 40 years of knowing exactly what buildings need.
01/06/2026
One machine. One day. The work of 6-8 people.
The robotic building wash machine developed by Summit BWT physically scrubs building exteriors. Direct mechanical contact with the surface, removing what pressure alone cannot touch.
The result is a cleaner building, completed faster, with up to 85% less water use.
Hnry Stadium, Wellington. Completed by Summit Building Wash Technologies.
One machine. One day. Up to 85% less water than the conventional alternative and a superior clean to current cleaning methods. It can also clean over 3 times faster than conventional cleaning meaning less time on site.
This is what the future of modern building maintenance looks like.
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105 Oxford Terrace, Epuni
Lower Hutt
5011