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Chris Shaw
Editor |
The pressure’s been offset thanks to our Specialist team’s Grimebuster
29 February 2024
PRINCIPLE HAS taken delivery of a new machine - the Grimebuster.

Completely bespoke to Principle, the machine has already successfully resolved two major and particularly stubborn paint clean ups – as a result of protest action – and a number of periodic cleans.
According to Principle it’s twice as powerful as an industrial pressure washer at 10,000 psi and contains a boiler that heats up to 120°c, meaning it’s suitable for any floor type and no cleaning request is beyond our specialist team’s capability. Also, the safety of the team, clients and members of the public is a priority so not requiring electricity to function – and therefore no risk of harm to anyone – is of huge importance.
The machine will be out and about more on the streets of London, so if you have a particularly tricky cleaning issue that you need taking care of get in touch with Principle's specialist team.
- Historic Wellcome
- Three-year Crown Estate contract
- Getting the best of pests
- The evolving world of window cleaning
- Five year contract for 22 Bishopsgate
- Principle awarded IRATA International Accreditation
- First cleaning contractor in Europe to achieve CIMS accreditation
- Principle opens window cleaning centre of excellence
- Principle raises £25K for London's first children's hospice
- Principle contract wins























