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The DOFF is a professional cleaning system that utilises low pressure and water volume with high temperatures to safely clean sensitive surfaces. It is an essential tool for brick and stone cleaning , especially for heritage properties.
We all want our buildings to look their best, but there’s a catch that many property owners learn the hard way: the very thing you do to “fix” a dirty exterior can often be the thing that breaks it. While it’s easy to spot the damage caused by pollution, moss, or weather, the damage caused by a well-intentioned but overly aggressive cleaning crew is much harder to undo.
Protecting your building isn’t just about fighting off the elements; it’s about protecting it from the cleaning process itself. If you use too much pressure or the wrong chemicals, you risk “blowing” the face of your bricks or permanently scarring delicate stonework. To get a deep clean without the collateral damage, you need a method that respects the age and material of your property. That’s exactly why the DOFF cleaning system has become the gold standard for restoration.
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FAQs
DOFF cleaning is a specialised steam-based cleaning method designed for the sensitive restoration of building exteriors.
Unlike traditional “pressure washing,” which relies on high-velocity water to strip away dirt (often taking the face of the brick with it), the DOFF cleaning system uses temperature as its primary cleaning agent. By heating water to 150°C, the system creates a “superheated” vapour. When this steam hits the surface, it instantly liquefies grease, paint, and organic matter without the need for abrasive force or harsh chemicals.
The brilliance of the DOFF system lies in its ability to remain “gentle but firm.” Because the volume of water is kept low, the substrate does not become saturated. This is critical for older buildings, as it prevents water from being trapped behind the surface, which causes damp or “freeze-thaw” damage during winter months.
Furthermore, because the steam is delivered at such high temperatures, it provides a level of sterilisation that cold-water systems simply cannot match. It doesn’t just wash away algae; it kills the spores, significantly delaying regrowth.
Contact our team today, we're available 24/7 and cover Kent, London, the South East and beyond. You can give us a call on 0800 088 4170 or alternatively you can click the button below and submit a webform and our experts will get back to you as soon as possible.

Chris Hedges is Head of Marketing at Ideal Response and the author of every article published on this site. With over 25 years of senior marketing experience across property, legal, and professional services sectors, Chris brings a clear, evidence-led approach to writing about fire damage, flood restoration, and specialist property remediation. His philosophy is simple: cut through the noise, respect the reader's time, and give people the information they actually need.
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