Moss, debris & black streak removal — safe, eco-friendly roof maintenance (soft wash).
Get a Fast QuoteOver time, moss, algae, leaves and debris build up on roofs and speed up wear. Our crew uses gentle, low-pressure techniques to protect your shingles while effectively removing contaminants.
✔️ Eco-friendly moss treatment
✔️ Black streak removal (Gloeocapsa magma)
✔️ Safe cleaning without walking on your roof
✔️ Free remote visual inspection
✔️ Ideal for homes, businesses & condos
“Protect your roof — cleanliness, safety and durability guaranteed.”
Contact UsProfessional solutions to eliminate moss and help prevent regrowth on your roof.
Contact UsSafe removal of moss and debris with proper tools — no damage to shingles or membrane.
Contact UsUnclogging and complete gutter cleaning to prevent water infiltration and extend roof life.
Contact UsCheck critical areas and detect issues early to preserve your roof.
Contact UsSpring/Fall maintenance program to keep your roof clean, safe and functional year-round.
Contact UsGentle, safe method to clean roofs without damaging sensitive materials (shingles, metal, membrane).
Contact UsSend a roof photo and your address by email or via our form. We’ll reply quickly with a tailored quote.
We assess slope, material (shingles, metal, membrane), presence of moss/debris and schedule under ideal weather.
Complete roof clean: moss removal, residue cleanup, gutter clearing if needed — with methods adapted to your roof.
Bring your roof back to life with our specialized cleaning: moss, debris and stain removal for a clean, durable and safe roof.
Request a QuoteWe provide roof cleaning & exterior washing in Montreal, Laval, Boisbriand, Blainville, Terrebonne, Saint-Eustache, Repentigny and across the North Shore and South Shore.
For a fast, customized price, send us a photo of the surface to clean along with your full address (Montreal, Laval, North Shore or South Shore):
📧 info@lavageexterieur.caOur team replies within 2 business hours, Monday to Saturday.
We clean asphalt shingle, metal, elastomeric membrane and tile roofs. Each material gets a method adapted to avoid damage.
No. We use controlled water pressure and gentle biodegradable products to remove moss, debris and stains without harming the surface.
Yes — all of Greater Montreal, including Laval, North Shore (Blainville, Terrebonne, Saint-Eustache) and the South Shore.
We recommend cleaning every 2–3 years, or as soon as you notice moss, black streaks or debris accumulation.
Usually 2–4 hours, depending on surface area, roof type and level of buildup.
📍 Based in Montreal — fast service in Laval, North Shore, South Shore and nearby.
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