Flat Roof Installation & Repair
Trusted Flat Roof Installation and Repair Services
Flat roofs require expert care to remain watertight and durable against weather challenges. At GNG Roofing & Plastering Limited, we specialize in flat roof solutions—installing and repairing using quality materials designed to protect your property year-round.
Our experienced team serves both residential and commercial clients across North & South Dublin and Kildare, delivering lasting results with professional workmanship and proven techniques.
Why Choose Us for Flat Roofs
How It Works
Free Roof Inspection
We visit your property to assess your flat roof’s condition and identify any issues.
Transparent Quote
You receive a clear, detailed quote with no hidden costs.
Our skilled team carries out the work efficiently, using quality materials to ensure durability.
We perform a thorough final check and leave your site clean and tidy.
Common Flat Roof Issues We Fix
Not sure if your flat roof needs attention? Here are some typical problems we handle for homeowners and businesses across Dublin and Kildare:
Ponding water or poor drainage
Cracks, blisters, or bubbles in roofing membrane
Leaks or water stains on ceilings
Loose or damaged flashing
Roof surface deterioration or wear
Signs of mold or algae growth
Weather-related damage, such as storm or hail impact
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.

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.

Roof Cleaning
Safe, effective removal of moss, algae, and dirt to restore your roof's appearance.
Frequently Asked Questions
How long does a flat roof repair or installation take?
Most small repairs or installations are completed within a day. Larger projects may take 2–3 days, depending on the roof size and weather conditions.
Do you offer emergency flat roof repairs?
Yes, we provide emergency repair services for urgent leaks or storm damage. Call us directly at 089 457 4956 for prompt assistance.
Is your work guaranteed?
Absolutely. All our flat roof services come with a workmanship guarantee for your peace of mind.