Roof Cleaning
Expert Roof Cleaning Services You Can Count On
Over time, moss, algae, dirt, and debris can build up on your roof — affecting both its appearance and performance. At GNG Roofing & Plastering Limited, we provide safe and effective roof cleaning services that help extend your roof’s lifespan, improve drainage, and prevent long-term damage.
We work with homeowners and businesses across North & South Dublin and Kildare, using proven cleaning methods that protect your roofing materials while restoring a fresh, well-maintained look.
Why Choose Us for Roof Cleaning
How It Works
Free Roof Assessment
We visit your property to inspect the condition of your roof and determine the best cleaning method.
Clear, Upfront Quote
You receive a transparent quote with no hidden fees — just honest pricing.
Using the right techniques for your roof type, we safely remove moss, algae, dirt, and debris.
We inspect the results, ensure proper drainage, and leave your property clean and refreshed.
Signs Your Roof Needs Cleaning
A dirty roof isn’t just an eyesore — it can lead to long-term damage if left untreated. Here are some common signs it’s time to schedule a professional roof cleaning service with GNG Roofing & Plastering Limited.
Common Signs:
Visible moss, algae, or lichen growth
Dark streaks or stains on roof tiles
Blocked gutters from roof debris
Uneven water runoff or drainage issues
Bits of tile grit in gutters
Roof looks aged or discoloured
Unpleasant odours from roof build-up
Recent Roof Cleaning Projects
Areas We Cover
Other Services We Offer
Roof Repairs
We fix leaks, damaged tiles, and weather-worn areas to restore your roof’s strength and protection.
Slate Roofing
Traditional, durable, and stylish — we supply and install high-quality slate roofing for lasting performance.
uPVC Fascia & Soffits
Upgrade or repair your fascia and soffit boards for improved ventilation, appearance, and roofline protection.
Chimney Repairs
We repair cracked, leaning, or damaged chimneys to ensure safe ventilation and structural integrity.
Velux Windows
Brighten your attic or loft with professionally installed Velux roof windows that combine function and style.
Ridges Repointing
We repoint ridge tiles to prevent leaks and strengthen your roof’s overall durability.
Guttering Services
Installations, repairs, and replacements to keep your gutter system flowing smoothly and your property dry.
DRY Verge System
We fit modern dry verge systems to protect roof edges, prevent water ingress, and reduce maintenance.
Flat Roofs
Durable installation and repairs for flat roofs on homes, extensions, and commercial buildings.
Lead Valleys
We repair and fit lead valleys to ensure proper water flow and prevent roof leaks.
Attic Insulation
Boost energy efficiency and comfort with expert attic insulation.
Frequently Asked Questions
How long does a roof cleaning take?
Most roof cleans can be completed within a day, depending on the size of the roof and the level of moss or debris buildup.
Will roof cleaning damage my tiles?
Not at all. We use safe, effective methods suited to your roof type to ensure a thorough clean without causing any damage.
Do you offer soft washing or chemical treatments?
Yes, we provide soft washing and eco-friendly treatments to kill moss and algae at the root and help prevent regrowth.
Is the service guaranteed?
Yes. Our roof cleaning service includes a satisfaction guarantee — we make sure the job is done right before we leave.