Professional Roof Wash & Moss Removal in Galway
House Wash and Algae Removal in Galway
Is your roof covered in thick green moss, dark algae streaks, or unsightly lichen? In the West of Ireland, the damp, humid climate creates the perfect environment for organic growth to thrive on roof tiles. What may start as a cosmetic issue can quickly develop into more serious structural damage.
We provide premium, fully insured roof washing, moss removal, and biocide treatment services throughout Galway City and County. Our gentle, specialist cleaning techniques safely clear your roof, protect your tiles, and restore your home’s kerb appeal without risking structural damage.
The Danger of Moss and Algae Build-Up
Leaving moss and black algae to grow on your roof tiles does more than affect appearance — it can actively reduce the lifespan of your roof.
- Water Retention & Frost Damage: Moss acts like a sponge, holding large amounts of rainwater. During cold Galway winters, this trapped moisture can freeze and expand, causing concrete and slate tiles to crack, lift, or break.
- Gutter Blockages: As moss breaks away, it often ends up in guttering systems, leading to blockages, overflowing water, and potential damp problems along exterior walls.
- Tile Degradation: Lichen and algae release organic acids that gradually wear down the protective surface of roof tiles, making them more porous and vulnerable over time.
Our Safe Roof Cleaning Process: Scraping & Soft Washing
Many people make the costly mistake of hiring contractors who use high-pressure washing directly on roof tiles. High pressure can strip protective coatings, crack delicate slates, and force water under tile laps into the roof space.
We use a safe, damage-free, low-pressure roof cleaning method:
Step 1: Manual Moss Scraping
We carefully remove the bulk of thick moss using specialist hand tools shaped to match the profile of concrete and clay roof tiles. All debris is safely collected and removed from your property to keep everything clean and tidy.
Step 2: Advanced Biocide Treatment & Algae Removal
After the bulk removal, microscopic spores can still remain embedded in the tile surface. We apply a premium, government-approved biodegradable biocide treatment. This soft-wash solution penetrates deep into the tiles, neutralising remaining algae, lichen, and moss at the root.
Step 3: Self-Cleansing Protection
Over the following weeks and months, natural rainfall activates the treatment, gradually washing away dead organic matter. This leaves your roof cleaner, sanitised, and restored in appearance without the need for harsh re-cleaning.
Serving Homeowners Across Galway
We proudly serve homeowners and businesses across the region, including:
Galway City: Salthill, Knocknacarra, Ballybane, Renmore, Terryland, and Castlegar.
North Galway: Headford, Corrandulla, Tuam, and Abbeyknockmoy.
East Galway: Athenry, Loughrea, Monivea, and Craughwell.
West Galway: Barna, Spiddal, Furbo, Carraroe, Oughterard, and Moycullen.
South Galway: Oranmore, Clarinbridge, Kilcolgan, Kinvara, and Gort.
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