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What happens to a tile surface beneath a thick moss bed is the part of the argument for roof cleaning that most owners never see, and it explains why the work is more than cosmetic. Concrete tiles are manufactured with a bonded granular finish that protects the material beneath from ultraviolet light and gives water a surface to run off rather than soak into. Beneath a permanent moss bed that finish deteriorates faster than it would in the open, because it is held wet continuously and subjected to repeated freeze-thaw cycles that ordinary weathering would not produce. Small flakes lift, the surface roughens, and the porous concrete beneath becomes exposed. Clay tiles and slates suffer differently. Both are dense, but sustained saturation drives freeze-thaw damage into any existing hairline crack, and older clay in particular spalls in layers where water has penetrated the face. Slate delaminates along its natural bedding planes for the same reason. The consequence in every case is a rougher, more absorbent surface, and a rougher surface holds growth more readily than a smooth one. That is the mechanism by which a neglected roof gets worse at an accelerating rate rather than a steady one. Cleaning does not restore any of that, and it is important to say so. What it does is stop the process continuing, by removing the growth holding the moisture and allowing the covering to dry between wet spells as its design assumed. Owners in Fen Ditton with coverings that have been under moss for years should expect the tile surfaces beneath to be visibly weathered once cleared, and that is worth knowing before the work rather than afterwards.
Cleaning a covering without adding to the wear it has already sustained is the whole basis of our method, and Pro Clean Xtreme organises around it. A tile that has spent fifteen years beneath a saturated moss bed has a surface far less robust than it was when laid, and treating it like new material is how contractors cause damage that was avoidable. Growth is therefore lifted rather than scraped hard, with tools matched to the profile and worked at an angle that takes the moss out of the lap without dragging across the tile face. Load is spread wherever the covering must be walked, and foot traffic is kept to a minimum. No high-pressure equipment is used at any stage, since it removes what remains of the surface finish in a single afternoon. The survey records surface condition specifically, alongside covering type, profile and age, growth depth and distribution across each elevation, the state of ridge, hip and verge lines, valley clearance, the condition of the eaves course, and any slipped, cracked or lifting units. Where a surface has already deteriorated significantly, that is reported with photographs and the likely consequence explained: a shorter interval before the next visit, for the rest of the covering’s life. Treatment is then applied at low pressure across every elevation, specified for that material and that density of growth. Operatives are height trained and covered by full public liability and employers’ liability insurance, waste is bagged and removed, and hard surfaces are rinsed on completion. Customers in Fen Ditton receive a fixed written quotation with the scope and guarantee period stated, no deposit requested and payment falling due on completion.
Surface condition has a direct effect on both roof cleaning cost and the interval afterwards, and the two are connected. A covering whose granular finish is largely intact releases growth readily, cleans quickly and holds its condition for a good period once treated. One whose surface has been roughened by years beneath a moss bed grips growth far more tightly, takes longer to clear, and re-soils sooner. That means the first clean on a long-neglected roof is expensive twice over: it costs more on the day because of the hours involved, and it produces a shorter interval than an intact covering would, because the surface itself is now working against the owner. Nothing reverses that, which is the strongest practical argument for dealing with a covering before the surface has been compromised rather than afterwards. The variables in any quotation remain the usual ones: true area with the pitch accounted for, growth depth and distribution across each elevation, the covering material, profile and surface condition, 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, roof areas 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 Fen Ditton with coverings still in reasonable surface condition are in the best position of all, since keeping them that way costs comparatively little and preserves both the roof and the economics of maintaining it for the remainder of its service life.
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 glass, ceramics and kiln-based manufacturing premises involves buildings that discharge considerable heat and fine particulate at roof level, and coverings that show the effects clearly. The structures are usually tall steel-framed workshops with profiled sheeting, substantial ventilation at ridge level, extensive rooflight runs and long gutter runs draining large spans. Process discharge deposits fine material across the covering, which combines with biological growth into a deposit noticeably harder to shift than growth alone, and it concentrates around extract points and ventilators where warm moist air keeps the sheeting permanently damp. Work covers sheet surfaces, laps, upstands, ridge and ventilator detail, rooflights, gutter runs and outlets, with deposit removed appropriately for the substrate and treatment applied at low pressure in a specification matched to whatever coating remains. Older corrugated and fibre cement sections are worked only from properly distributed load with fall protection rigged in advance. Rooflights are usually the most valuable element internally, since buildings of this type were designed around natural light over the working floor and the deposit reduces transmission considerably. Attendance is programmed around production, using shutdowns and maintenance windows where kilns and furnaces are down, with access equipment positioned clear of craneage, material handling and hot working areas, and hot work restrictions observed throughout. Site-specific risk assessments, method statements, insurance and competence records are supplied before mobilisation, with fall protection confirmed at survey and fragile rooflights physically protected. For works managers in Fen Ditton, restoring gutter capacity is the priority, since water entering a workshop with kilns and electrical plant is a considerably more serious matter than the covering’s appearance.
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 Fen Ditton 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.