A cleaner roof. Without aggressive blasting.
Hand scraping followed by biocide treatment: a considered approach to roof moss across Edinburgh, East Lothian and Midlothian.
Free, no-obligation quote · £1m insured · Open 7 days
Roof Cleaning by Hand
Choose the method before you choose the clean
A roof is not a driveway, and a cleaning decision should not begin with the strongest possible wash. Complete Cleaning Specialists removes roof moss by hand, then applies biocide treatment. There is no aggressive blasting. This page explains how to think about the whole roof-cleaning job: the material, access, existing condition and the difference between removing visible moss and treating the growth that remains.
If you are looking up at a moss-covered roof, it can be difficult to know whether you need cleaning, repairs or simply a clearer assessment. Cleaning is not a substitute for putting damaged roofing right. Mention any known leaks, loose tiles or previous repairs when you enquire, rather than assuming that a cleaner appearance will resolve a building problem. You do not need to climb up to gather that information.
Complete Cleaning Specialists serves Edinburgh, East Lothian and Midlothian and carries £1m public liability insurance. Quotes are free and without obligation. The biocide roof moss treatment has a 2-year written warranty; that specific cover should not be confused with a warranty on the roof itself. Ask to see the written terms when deciding whether the proposed work suits your property.
What should you consider before cleaning a roof?
The visible moss is only part of the decision. A useful enquiry describes what you can see from a safe position and what you already know about the building. These details help frame the right questions without turning a quotation into a guessed diagnosis.
A roof with different materials
An extension, porch and main roof may not share the same covering or condition. Tell us if your roof includes different materials or sections added at different times. Do not assume one approach is suitable everywhere simply because the slopes look similar from the street.
Moss near edges and rainwater fittings
If moss is visible around the lower roof edge, include that in your enquiry. Distinguish roof cleaning from any separate gutter work you want considered. A clear scope avoids assuming that every neighbouring part of the building is included in the same quotation.
Old damage hidden by growth
Cleaning can make existing wear easier to see; it does not reverse it. If you already know about cracked coverings, water ingress or a repair recommendation, share that information before booking. A repair concern deserves attention in its own right rather than a promise that cleaning will cure it.
Common mistakes we see
- ✕ Choosing a roof-cleaning service solely by how forceful its equipment sounds, rather than asking what the roof material and condition allow.
- ✕ Treating the biocide warranty as a promise that roof tiles, fixings or previous repairs are covered. Read the written treatment terms instead.
- ✕ Climbing onto a roof to photograph moss for a quotation. Describe what you can see safely and ask what further information is needed.
How it works
Our Roof Cleaning by Hand Process
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1. Describe the roof
Start with your location, the parts of the roof you want considered and any known defects. Explain access through gardens, shared spaces or side passages. Photographs taken safely from the ground can help explain your concerns, but there is no reason to put yourself at height to make an enquiry.
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2. Clarify the proposed work
Use your free, no-obligation quote to establish which roof sections are included and which issues sit outside cleaning. Ask about material suitability, access and any neighbouring features that need consideration. Confirm the scope rather than relying on a broad phrase such as a complete roof refresh.
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3. Remove the moss by hand
The physical roof-moss removal method is hand scraping, not aggressive blasting. This is the stage that addresses the visible accumulation. It is distinct from the subsequent biocide treatment, so ask about both parts when comparing proposals rather than treating all roof-cleaning descriptions as interchangeable.
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4. Follow with biocide treatment
Biocide follows the hand removal of moss. The treatment carries a 2-year written warranty. Ask how the treatment relates to your particular roof and read the warranty wording, including any conditions, so your expectations are based on the actual cover rather than assumptions about permanent protection.
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5. Understand the result and future care
Discuss what appearance is realistic for an aged roof and what to do if you have a treatment concern afterwards. Keep your written quote and warranty together. Future maintenance decisions should be based on the roof’s condition, not on the belief that cleaning has made every component new.
What You Get
No aggressive roof blasting
The specified approach is straightforward: moss is scraped off by hand. You can choose this service knowing it is not being presented as a high-pressure roof wash, and you can ask precise questions about suitability before agreeing to work.
Removal and treatment distinguished
Visible moss removal and subsequent biocide application have different roles in the service. Knowing the sequence makes it easier to understand what you are being quoted for and avoids comparing a removal-only description with a removal-and-treatment proposal.
Written treatment cover
The 2-year written warranty applies to biocide roof moss treatment. Written wording gives you something concrete to review before booking; it is more useful than an undefined claim that a roof will stay perfect indefinitely.
A decision without a quotation fee
Every property is quoted individually, free and without obligation. That gives you room to ask about roof sections, access and exclusions before deciding whether the cleaning proposal addresses the problem you actually want dealt with.
Insurance you can ask about
Complete Cleaning Specialists carries £1m public liability insurance. Insurance is separate from treatment warranty cover and from the condition of your roof. Keeping those distinctions clear helps you ask informed questions rather than relying on a general reassurance.
Coverage across the three areas
Enquiries are welcome for Edinburgh, East Lothian and Midlothian. Whether your property is in Corstorphine, Haddington or Loanhead, describe its own roof and access rather than assuming the local area alone determines the method or the quote.
A practical guide to the whole roof-cleaning decision
The useful question is not simply whether moss can be removed. It is whether the proposed cleaning makes sense for this roof, in this condition, with the access and expectations you have. Consider these points before agreeing the work.
Materials: identify rather than guess
Slate, tiled coverings and other roof materials should not be treated as interchangeable just because all can carry visible growth. If you know the covering, say so; if you do not, describe it without making a confident guess. Previous repairs and mixed roof sections also matter to the conversation.
An older covering may retain marks and natural variation after cleaning. Removing growth is not the same as changing the underlying colour, renewing a finish or repairing worn material. Ask what improvement is realistic and keep aesthetic expectations separate from any building-condition concerns.
Methods: why the sequence matters
The service combines hand scraping with biocide treatment afterwards. The scraping addresses the moss that can be physically removed; the treatment is a separate part of the proposal. Neither should be described as a structural repair, and neither justifies ignoring a known leak.
When comparing quotations, check whether both stages are included and whether the quoted roof area is the same. A short description of roof cleaning can hide very different scopes. Comparing the actual work is more useful than comparing a headline without knowing what sits behind it.
Variations: more than one slope
A roof may include a main slope, lower extension, porch and awkward junctions. Mention which areas concern you, especially where a neighbouring building or shared access complicates the picture. Do not assume a photograph of the front explains everything that needs consideration at the rear.
Conservatories, gardens and adjoining spaces are worth mentioning when discussing access. These are planning questions, not reasons to make a remote promise about how every property will be handled. Ask for the proposal to reflect the actual building rather than a standard description.
Situations: cleaning versus other roof concerns
A build-up of moss can prompt a cleaning enquiry, while a leak calls for a different kind of judgement. If both are present, say so. Avoid asking cleaning to do the job of a repair, or interpreting an improved appearance as evidence that every underlying concern has disappeared.
For homes, the enquiry may focus on appearance and disruption around everyday access. For commercial or shared premises, explain who can authorise the work, which areas are used by others and any access restrictions. The same hand-removal principle still needs a property-specific discussion and a clearly agreed scope.
Areas we cover
Roof Cleaning by Hand across Edinburgh, Portobello, Corstorphine, Morningside, Cramond, Musselburgh, Haddington, North Berwick, Tranent, Dunbar, Prestonpans, Dalkeith, Bonnyrigg, Penicuik, Loanhead. See all areas we cover for roof cleaning by hand
Roof Cleaning by Hand FAQs
How much does roof cleaning cost?
Every property is quoted individually and the quote is free, with no obligation. Describe the roof sections, known condition and access so the proposal can address your property rather than a generic example. Ask what is included and keep any separate repairs or additional work clearly distinguished.
How long does roof cleaning take?
There is no single duration that suits every roof. The area, layout, access and suitability of conditions need consideration. Ask for the proposed timing when your property is discussed, and mention access restrictions before booking. Do not plan around an assumed completion time taken from another property.
Do you pressure wash the roof?
Roof moss is scraped off by hand, with no aggressive blasting, then followed by biocide treatment. That is different from the pressure-washing approach used for driveways. Ask about your roof covering and condition before choosing a method simply because another exterior surface responded well to it.
What guarantee is included?
There is a 2-year written warranty on biocide roof moss treatment. Ask for the terms and clarify what they cover. It is not a general guarantee on the entire roof, existing repairs or permanent appearance, and it should not be understood as a promise that moss can never return.
How long will the clean appearance last?
There is no fixed lifespan to promise for every roof. Surroundings, exposure and the roof itself can influence future growth and appearance. The written biocide warranty is specific treatment cover, not a universal timetable for re-cleaning. Ask what ongoing observations are sensible for your particular property.
Can you help with an urgent roof-cleaning request?
Contact us to discuss availability; an enquiry is not a promise of emergency attendance or a particular response time. We are open seven days. If your concern involves a leak, loose roofing or immediate danger, explain that clearly rather than assuming roof cleaning is the appropriate urgent remedy.
Do you cover Portobello and the Lothians?
Yes. The service area includes Edinburgh and Portobello, East Lothian locations such as Musselburgh, North Berwick and Tranent, and Midlothian locations including Dalkeith, Bonnyrigg and Penicuik. Tell us your location and property details when requesting your individual free quote.
Should I climb up to take photographs first?
No. Do not climb onto the roof for the sake of an enquiry. Explain what you can see from a safe position and share any existing information about the covering or previous repairs. Ask what information would be useful rather than taking risks to document a difficult area.
Can cleaning make an old roof look new?
Cleaning removes growth; it does not renew roof materials or erase their history. Weathering, repairs and colour differences may remain visible. Discuss appearance honestly before booking and treat any repair or waterproofing question separately. A useful quote should help you choose cleaning for the right reason.
Related Services
Talk through your roof before choosing a clean
Request a free, no-obligation quote from Complete Cleaning Specialists. Tell us where you are, which roof sections concern you and anything you know about their condition. Ask about hand removal, the subsequent biocide treatment and its 2-year written warranty.
£1m public liability insurance · Free quotes · Open 7 days