Roof Cleaning
Nanaimo, BC
Nanaimo's wet climate makes moss and algae growth inevitable. Our professional soft washing service removes moss, lichen, and black algae safely — protecting your roof and extending its lifespan.
What We Clean
Roof Cleaning Services in Nanaimo
From moss removal to full soft wash treatments, we restore your roof's appearance and protect its integrity.
Moss & Algae Removal
Complete removal of moss, lichen, and black algae from asphalt shingles, cedar shakes, and tile roofs.
Soft Washing Treatment
Low-pressure soft wash method with biodegradable solutions — safe for all roof types and surrounding landscaping.
Zinc Strip Installation
Post-cleaning zinc strips slow future moss regrowth, extending the results of your roof cleaning.
Cedar Shake Roof Cleaning
Specialized cleaning for cedar shake and wood roofs using gentle techniques that preserve the wood's natural oils.
Metal Roof Cleaning
Remove oxidation, staining, and biological growth from metal roofs without scratching or damaging the surface.
Gutter Flush & Inspection
Post-roof-cleaning gutter flush removes all debris washed down during the cleaning process.
Why Moss Bros.
Nanaimo's Trusted Roof Cleaning Specialists
Fully Insured
Complete liability coverage on every roof cleaning job.
Eco-Friendly
Biodegradable solutions safe for plants, pets, and your family.
Year-Round Service
We work in all weather conditions — rain or shine.
100% Satisfaction
Guaranteed results on every residential and commercial roof.
What Nanaimo Customers Say
Roof Cleaning Reviews — Nanaimo, BC
"Moss Bros. removed years of thick moss from our Nanaimo roof. Used soft washing — no damage to shingles at all. The roof looks brand new and the crew was excellent."
Paul N.
"Our cedar shake roof had significant moss growth. Moss Bros. treated it safely and professionally. Several months later it still looks great. Would 100% recommend."
Diane F.
Common Questions
Roof Cleaning FAQs — Nanaimo
How much does roof cleaning cost in Nanaimo?
Roof cleaning in Nanaimo typically ranges from $300–$800 depending on roof size, pitch, and level of moss/algae buildup. We provide free, no-obligation quotes — call 778-744-4021 or fill out our online form.
What method do you use to clean roofs in Nanaimo?
We use soft washing — a low-pressure technique combined with eco-friendly, biodegradable cleaning solutions. Pressure washing on roofs can damage shingles and void warranties. Soft washing is safer, more effective, and longer-lasting.
How often should I have my roof cleaned in Nanaimo?
Nanaimo's wet coastal climate accelerates moss and algae growth. We recommend roof cleaning every 1–3 years depending on your roof's exposure to shade and moisture. Regular cleaning extends roof life and prevents costly repairs.
Will roof cleaning damage my shingles?
No — our soft washing method uses low pressure that is safe for all roof types including asphalt shingles, cedar shakes, metal, and tile. We never use high-pressure washing on roofs.
Does moss damage my roof if left untreated?
Yes. Moss roots penetrate shingle granules, cause moisture retention, and can lead to rot, leaks, and structural damage over time. Regular roof cleaning protects your investment and can add years to your roof's lifespan.
Do you serve areas outside Nanaimo for roof cleaning?
Yes — Moss Bros. provides roof cleaning throughout Nanaimo, Parksville, Lantzville, Ladysmith, Cedar, Qualicum Beach, and the surrounding Vancouver Island region.
Should I get my gutters cleaned at the same time as my roof?
Absolutely — we recommend combining roof cleaning with a gutter flush. When we soft wash the roof, debris and dead moss gets washed into your gutters. Cleaning the gutters immediately after ensures everything flows freely and prevents re-clogging within weeks of your roof clean.
Can you clean a metal or flat roof in Nanaimo?
Yes. We clean standing seam metal roofs, corrugated metal, flat TPO/EPDM roofs, and all standard residential roof types. Each material requires specific pressure settings and cleaning agents — we always assess your roof type before starting any work.
Ready to Restore Your Roof?
Get a free roof cleaning quote — we respond within minutes
More Services in Nanaimo
Other Exterior Cleaning Services
Also Serving