County Meath has the kind of climate that moss loves. Wet winters, mild temperatures, shade from mature trees in rural townlands and suburban gardens — these are perfect conditions for moss, algae and lichen to colonise a roof. If your roof has green or black patches, discolouration, or visible moss growth along ridges and in valleys, it is not just a cosmetic problem and it will not resolve itself over time.
Mr Clean Roofing provides professional softwash roof cleaning across County Meath. Because we are roofers first and foremost, we approach roof cleaning differently from a general external cleaning company. We understand roof structures, we identify any tile damage or structural issues during the cleaning process, and we make sure the cleaning method used is appropriate for your specific roof type — whether that is natural slate, fibre cement, concrete tile or flat roofing.
Our softwash roof cleaning process removes all existing moss, algae, lichen and organic staining from your roof surface without the high pressure that damages tiles. A professional biocide treatment is then applied that kills any remaining spores and inhibits regrowth for an extended period — typically keeping your roof cleaner for significantly longer than a pressure wash alone.
The cost of professional softwash roof cleaning in County Meath depends on the size of the roof, the extent of moss and algae growth, the pitch and accessibility of the roof, and whether scaffolding is required.
As a general guide for 2026:
A standard 3-bedroom semi-detached home in Meath with a typical pitched roof typically costs between €500 and €800 for a full softwash clean and biocide treatment including gutter clearance.
Larger detached homes and bungalows with greater roof area typically range from €600 to €1,200 depending on the size and complexity of the roof.
Heavily moss-covered roofs requiring additional manual clearance work before washing can be at the higher end of these ranges — we will assess and give you a fixed quote before starting.
These prices include the full process — inspection, moss removal, low-pressure softwash, biocide treatment, gutter clearance and site clean-up. We do not charge separately for each stage.
We do not provide high-pressure washing as a cheaper alternative. The saving is false economy — without biocide treatment the results do not last, and high-pressure washing on tile or slate causes damage that leads to repair costs that far exceed the price difference.
In Meath's climate — wet winters, tree cover and typically moderate temperatures — most roofs benefit from professional cleaning every 3 to 5 years. Roofs with significant shade from overhanging trees, or north-facing roof slopes, may need attention more frequently as these conditions particularly favour moss growth.
Not with our method. Low-pressure softwashing does not damage tile surfaces, displace slates, or force water into the roof space. High-pressure jet washing can cause all of these problems — which is why we do not use it. We will always confirm the appropriate method for your specific roof type before starting.
A standard 3-bedroom semi-detached home typically takes 4 to 6 hours for the full process. Larger or more heavily moss-covered roofs may take a full day. We will give you a realistic timeframe when we survey.
Applied to a properly cleaned roof surface, a professional biocide treatment typically inhibits regrowth for 3 to 5 years in Irish conditions. Results vary depending on the amount of tree cover, the orientation of the roof and the exposure of the property.
We include a gutter clearance as part of every roof cleaning job — removing all debris that has come off the roof during the cleaning process and leaving the gutter system fully clear and flowing. There is no point in cleaning a roof and leaving blocked gutters beneath it.
We use professional-grade biocide treatments that are appropriate for use in proximity to gardens and planting. We protect surrounding areas during application and allow appropriate dwell time before any run-off occurs. We will discuss any specific concerns about sensitive planting near the house during the pre-job survey.
Whether your roof has a light covering of algae or years of heavy moss growth, we will come to you, assess the roof properly, and give you a fixed written quote at no charge. A clean roof lasts longer, looks better, and causes fewer problems — and with biocide treatment it stays that way.
Call 083 176 3799 Or fill in our contact form and we will get back to you within a few hours.
Mr Clean Roofing is a fully insured roofing contractor based in Co. Meath, Ireland. We specialise in roof repairs, new roof installations, slate roofing, flat roofing, chimney repairs, fascias and gutters, Velux skylight repairs, attic insulation and roof cleaning with softwashing across County Meath, North County Dublin and Co. Louth. Serving Navan, Ashbourne, Ratoath, Dunshaughlin, Drogheda, Kells, Trim, Dunboyne, Slane, Athboy and surrounding areas. Call 083 176 3799 for a free no-obligation quote.
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