Commercial Roofing
Specialists in commercial and industrial roofing and cladding systems across Dublin and Ireland.
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Spot signs of commercial roof damage
Whether you need a full roofing service or a simple commercial roof survey to check the condition of the roof, we can tailor our services to suit your specific needs.


Commercial roofs fixed to last
D.Hennessy Roofing is a specialist in commercial and industrial roofing and cladding systems, with years of experience in the largest range of roofing systems as specified by some of Europe and Ireland’s leading manufacturers.
A strong roof protects your business
We work closely with every client to complete each project as efficiently and cost-effectively as possible. Hiring D.Hennessy Roofing gives you peace of mind that your property is secure while the work is carried out.

Images From Our Commercial Roofing
A selection of recent commercial roofing projects across Dublin.
What Our Customers Say
Many happy clients across Dublin — check out our customer recommendations.
Why businesses choose us for commercial roofing
Our goal is always to provide 100% commitment and the highest quality of roofing service to our customers across Dublin and Ireland.
Free, no-obligation quotes
A clear price before any work starts — no surprises.
25+ years of experience
Decades of fixing every kind of Dublin roof.
Licensed & insured
Fully covered, with National Guild membership.
24/7 emergency call-outs
Urgent leaks answered around the clock.
Guaranteed workmanship
Every repair we make carries a 10-year guarantee.
All roofing specifications
Systems from Europe and Ireland’s leading manufacturers.
A Simple, Stress-Free Process
From your first call to the final clean-up, here’s exactly what to expect when you work with D. Hennessy Roofing.
01
Tell Us About Your Roof
Call or send us a few details about the issue — a photo helps us understand it before we arrive.
02
Free Inspection & Quote
We inspect the roof properly and give you a clear, fixed quote — no pressure, no surprises.
03
We Get to Work
Agree a schedule that suits you, then our team carries out the work to the highest standard.
04
Clean-Up & Handover
We leave your site tidy, walk you through the finished work, and hand over any paperwork.
05
Enjoy Peace of Mind
With a 20-year guarantee on new roofs, you can relax knowing the job is done right.
06
We Stay in Touch
Most of our work comes from referrals — we aim to earn yours too.
Areas We Cover for Commercial Roofing
We provide commercial roofing across Dublin and Ireland – from the North County down to the South County.
North Dublin
Swords, Malahide, Santry and Glasnevin.
City Centre
Dublin 1–7 and the surrounding suburbs.
South Dublin
Ballsbridge, Donnybrook, Rathgar and Dundrum.
Dublin West
Lucan, Clondalkin and Tallaght.
North County
Swords, Balbriggan and Skerries.
South County
Dún Laoghaire, Blackrock and Dalkey.
Commercial Roofing Questions, Answered
The things Dublin homeowners ask us most about repairs.
For urgent leaks we'll usually get to you the same day or within 24 hours, and our emergency line is answered 24/7 with free call-outs available.
Usually, yes. We source matching tiles, slates and materials so the repair blends in with the rest of your roof rather than standing out.
Where the damage is localised, a repair is almost always the right call — it fixes the problem for a fraction of the cost of a new roof. We'll always be honest about which you need.
Yes. Every repair is covered by our 10-year workmanship guarantee, and we're fully licensed and insured for your peace of mind.
Need commercial roofing?
Get a free quote or a fast emergency call-out.
Need commercial roofing? Get in touch
Get a free quote — or fast emergency help if the roof is leaking now.
