Roof Cleaning Sydney
Professional roof cleaning services across Sydney. Moss, lichen, algae and debris removal from all roof types — terracotta tiles, concrete tiles, Colorbond steel and slate. Soft-wash technique prevents tile damage.
Our Roof Cleaning Services
- Moss and Lichen Removal
- Algae and Black Stain Treatment
- Gutter Rinse and Inspection
- Moss Inhibitor Application
- Pressure Washing for Heavily Soiled Roofs
Roof Cleaning Prices Sydney
Single storey from $350. Double storey from $480. All prices include moss inhibitor treatment and gutter rinse. Call for your exact quote: 0404 552 222.
All Sydney Suburbs
We clean roofs across all Greater Sydney suburbs. 4.8 stars from 115+ Google reviews. Fully insured. Free quotes.
What Is Roof Cleaning and Why Does It Matter?
Professional roof cleaning Sydney removes moss, lichen, black algae (Gloeocapsa magma) and organic debris that build up on Sydney roofs due to shade, moisture and overhanging trees. Left untreated, moss and lichen roots can lift and crack roof tiles, black algae streaks reduce your home’s kerb appeal, and blocked valleys and gutters can cause water to back up under tiles during heavy rain. Regular roof cleaning protects your roof’s waterproofing, extends its life and keeps your home looking its best.
Soft Wash vs Pressure Washing for Roofs
Most Sydney roofs are cleaned using a soft wash technique: a specialised, low-pressure application of cleaning solution that kills moss, lichen and algae at the root without disturbing or cracking tiles. This is the safest method for terracotta, concrete and slate roofs. Pressure washing uses higher water pressure and is reserved for heavily soiled roofs or hardier materials like Colorbond steel, where it can quickly remove built-up grime. We assess your roof type and condition before choosing the right method, since high pressure used on ageing or brittle tiles can cause cracking or dislodge roof bedding.
Signs Your Sydney Roof Needs Cleaning
- Black streaks or dark staining across tiles (a sign of algae growth)
- Green or grey moss and lichen patches, especially on shaded or south-facing sections
- Debris, leaves or branches built up in valleys and gutters
- Water pooling or overflow from gutters during rain
- A dull, aged appearance compared to neighbouring roofs
Our Roof Cleaning Process
1. Roof Inspection: We check tile condition, moss coverage and gutter health before starting.
2. Soft Wash Treatment: A biodegradable cleaning solution is applied to kill moss, lichen and algae at the root.
3. Gentle Rinse: The roof is rinsed to remove loosened debris without damaging tiles or coatings.
4. Moss Inhibitor & Gutter Rinse: A moss inhibitor is applied to slow regrowth, and gutters are rinsed clear.
Frequently Asked Questions — Roof Cleaning Sydney
How often should I get my roof cleaned?
Most Sydney roofs benefit from a clean every 2-3 years, though heavily shaded roofs under trees or in humid microclimates may need cleaning annually to prevent moss and lichen taking hold.
Can roof cleaning damage my tiles?
Done correctly with the right method for your roof type, no. Soft washing is specifically designed to avoid damage, which is why we assess your roof before choosing between soft washing and pressure washing.
Do you clean Colorbond steel roofs?
Yes, we clean all common Sydney roof types including terracotta tiles, concrete tiles, Colorbond steel and slate, using the appropriate method and products for each.
Will cleaning stop moss from coming back?
Cleaning removes existing moss and algae, and our moss inhibitor treatment slows regrowth, but shaded or damp roofs may need re-treatment every 12-24 months to stay clear long-term.
Roof Cleaning Across Sydney
We provide professional roof cleaning to homes and businesses across Greater Sydney, including the North Shore, Northern Beaches, Hills District, Western Sydney, Eastern Suburbs, Inner West and Sutherland Shire. Contact us for a free, no-obligation quote.