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Lichen is the most misunderstood growth found on a roof, and it accounts for a good deal of the disappointment that follows a poorly explained clean. It is not a single organism but a partnership between a fungus and an alga, and that combination is what makes it so tenacious. The fungal component anchors directly into the mineral surface of slate, clay or stone, and it does not simply sit on top in the way that moss does. Visually it appears as flat crusts in grey, white, yellow or orange, often circular, spreading slowly outward over many years. It thrives in clean air and on exposed elevations, which means the coverings carrying the most lichen are frequently in otherwise excellent condition. The critical point is that lichen cannot be scraped off. Anything sufficiently forceful to remove it takes surface material with it, which on a slate or an older clay tile is permanent damage that no amount of subsequent care will reverse. High-pressure water does exactly this and does it quickly. The correct approach is chemical and patient. Biocide applied at low pressure across the covering breaks down the organism over a period of weeks, after which the dead growth loses its grip and is carried away in stages by rain and wind. The roof therefore keeps improving long after the work has finished, and it will look uneven partway through that process. Owners in Doddington with slated or clay coverings should expect exactly that, and should be wary of anyone promising a lichen-free roof by the end of the working day.
Explaining what will happen slowly is more difficult than promising an immediate transformation, and Pro Clean Xtreme does it anyway because the alternative sets a customer up for disappointment. Where a covering carries significant lichen, that is identified at survey and the likely timescale explained before any work is agreed. The method reflects the biology. Loose growth, moss and debris are lifted by hand from laps, valleys, ridge and hip lines and the eaves course. Anything bonded into the mineral surface is left alone mechanically and dealt with by treatment, applied at low pressure across every elevation in a specification set for that covering and that type of growth. Nothing is forced, and no high-pressure equipment is used on residential coverings at any stage. Access is planned to keep foot traffic off fragile materials, with load spread using roof ladders and crawl boards where a covering must be worked at all, since slate and older clay are damaged by weight as readily as by tools. Operatives are height trained and covered by full public liability and employers’ liability insurance, with certificates available before booking. Everything beneath the working elevations is protected and rinsed on completion, waste is bagged and removed, and every elevation is photographed before and after. At handover, customers in Doddington are told what to expect over the following weeks, including the staged and uneven way that lichen releases. Quotations are fixed and written, issued after a physical survey with the scope and guarantee period stated, no deposit requested and payment falling due on completion, by which point the covering will still be partway through the change the treatment sets in motion.
Lichen affects roof cleaning cost differently from moss, and understanding why makes a quotation easier to interpret. Moss is a labour problem: it has to be physically removed, and the deeper the beds the more hours the job takes. Lichen is a materials and patience problem, since the removal is done by the treatment rather than by hand, so it adds relatively little to the manual element but requires proper coverage across the whole covering. That changes the balance of a quotation on slated and older clay properties. The manual work may be modest, particularly where moss is light, while the treatment stage becomes the substance of the job. A contractor pricing such a roof as though it needed extensive scraping has misread it; one proposing to remove lichen mechanically has misread it more seriously still, and the damage will be permanent. The other variables apply as usual: true area with the pitch accounted for, growth depth and distribution, the covering material and its fragility, the access arrangements each elevation requires, and the detail work at ridge, hip, valley, verge and eaves. Quotations are fixed and written, issued after a physical survey with the scope and guarantee period stated. No deposit is requested, nothing is added while work is under way, and payment falls due on completion. Property owners in Doddington should ask specifically how lichen will be dealt with. The answer distinguishes a contractor who understands what is growing on the roof from one who intends to remove everything visible by whatever means produces the fastest result. On a slated covering that distinction is the difference between a roof improved and a roof permanently marked.
Remove years of dirt, grime, algae and staining for a cleaner, fresher finish.
Professional techniques designed to protect your surfaces while delivering outstanding results.
Keep your property looking its best with regular roof cleaning.
Commercial roof cleaning at data centres, telecommunications exchanges and technical infrastructure buildings is governed by the value of what sits beneath the covering and by the absolute intolerance of water ingress. These are buildings where a modest leak has consequences measured in service availability rather than in repair cost. The roofs are typically membrane or composite panel systems at shallow pitch, carrying substantial cooling plant, condensers, cable routes and cable entry points. Growth establishes in seams, around plant plinths and upstands and at the base of equipment frames, then breaks free and reduces outlet capacity. Ponding is a particular concern, since standing water sits over joints and penetrations that were never designed to be submerged. Work covers membrane or panel surfaces, seams, upstands, plant surrounds, cable entries, gutter runs and outlets, with treatment applied at low pressure in a specification chosen so that membranes, coatings and seals are not compromised. Cooling intakes and condensers are identified at survey and protected or isolated in agreement with the site team before anything is applied nearby. Access to sites of this kind is controlled, so security clearance, inductions, permits and escorted access are arranged in advance, along with any restrictions on working above particular halls or near live plant. Site-specific risk assessments, method statements, insurance and competence records are supplied before mobilisation, with fall protection confirmed at survey and access provision priced openly. For facilities managers in Doddington, the value of a planned cycle is straightforward. Drainage kept at designed capacity on a building of this type is not a maintenance nicety; it is one of the more basic protections against an outage that nobody wants to explain afterwards.
Founded in 2016 by Karl Crofts, Pro Clean Xtreme has grown from a dedicated one-man operation into a trusted family-run team. Joined by his wife Lindsay and family members Callum and Rachel, we pride ourselves on delivering professional, safety-first cleaning. By combining honest communication with continuous investment in the industry’s best low-pressure steam equipment and safe access systems, we deliver exceptional results for every residential, commercial, and industrial client.
Founded by Karl Crofts, delivering reliable local service for over a decade.
Our own tracked cherry picker provides safe access without walking on tiles.
Safe low-pressure steam cleaning, softwashing, and specialist pre-solar preparation.
Ten years of trusted, family-run service delivering high-quality workmanship on every project.
As a family-run business established in 2016, we have built a strong reputation across Doddington for dependable, high-quality roof cleaning services. We take a personal and transparent approach to every project, while continually investing in professional low-pressure steam cleaning equipment and effective safety systems. From domestic properties to larger commercial roofs, our experienced team focuses on achieving thorough results while helping protect the condition of your roof. Fully insured and committed to reliable workmanship, we deliver a professional roof cleaning service from start to finish.
We take immense pride in the reputation we have built across Cambridgeshire and the surrounding areas since 2016. As a family-run business, delivering exceptional customer service, honest communication, and high-quality workmanship is at the heart of everything we do. Read through our latest Google reviews to see why residential homeowners, housing associations, and commercial contractors consistently trust Pro Clean Xtreme to safely protect and restore their properties.
Here are the answers to some of the most frequently asked questions about our roof cleaning services. If you have a question about your property, a specific cleaning requirement, or need further information about our services, please get in touch with our experienced team. We are always happy to provide advice and help you find the right solution.
The ideal frequency depends on the condition of your roof and how quickly moss, algae, dirt and other organic growth build up. Regular roof cleaning can help keep your roof looking well maintained and prevent heavy buildup.
Professional roof cleaning can help remove moss, algae, lichen, dirt, grime and other organic growth from your roof. The appropriate cleaning method will depend on the roofing material and its condition.
When carried out correctly, professional roof cleaning can be performed safely using suitable equipment and techniques. Care should be taken to use an appropriate method for the specific roof material.
Yes, roof cleaning can effectively remove moss and other organic growth from roofing surfaces. The treatment used will depend on the amount of moss present and the type of roof.
The time required depends on the size and condition of the roof, the amount of moss and dirt present, and the cleaning method required. A professional assessment can provide a better idea of the expected timeframe.
Yes. Removing moss, algae, dirt and weather-related staining can significantly improve the appearance of a tired or heavily weathered roof, helping the property look cleaner and better maintained.
Getting an initial estimate for your property is completely effortless. Simply fill out the form below with your full property address, and our family-run team will utilise Google Earth before providing a quotation. Whether you are a homeowner, a housing association, or an installation company preparing a site, let us know your specific requirements and we will get back to you promptly with an initial assessment.