- External Insulation Specialists
€8,000
SEAI Grant available
Warm Seal
External Insulation in Dublin
At WarmSeal, we’ve been making Dublin homes warmer, more efficient, and better looking for over a decade. We bring a hands-on, personal touch to every project. Whether it’s external insulation (“the wrap”), or traditional plastering finishes like dry dashing or skim coat, we deliver top-tier craftsmanship with no fuss and no shortcuts. As SEAI-registered specialists and KABE technical advisors, we combine expert knowledge with a commitment to high-quality results, energy savings, and long-term comfort.
- Home Builder Contractor
The Warm Seal Advantage
Having your home fitted with External Insulation can help your house become a better place to live.
- Why Choose Us
Elevating Home Insulation Standards
Quality Craftsmanship
Our business has been passed down through three generations. From my Grandfather, to my father and now to me and my team.
Customisation Options
The wrap offers much more than. just external insulation, customise the colours, finishes and sills of your home.
Timely Completion
Warm Seal only works on one project at a time, ensuring full focus on completing your home first to the best standard possible.
- About Us
Family roots, modern expertise.
WarmSeal was born from a long line of plasterers, Ed Claxton’s grandad and dad before him laid the groundwork. Since 2007, we've grown from traditional plastering into full insulation systems, with a standout focus on external insulation since 2011. We’ve trained hard, earned top qualifications, including a distinction in Thermal Insulation Retrofit and proudly served on national projects like DIY SOS.
Our Missions :
What sets us apart? No subbing out, no rotating crews. When you choose WarmSeal, you deal directly with Ed and his team.
We’re based in Balbriggan and work across Dublin and Meath, bringing expert knowledge, clean finishes, and a genuine care for your home.
Our values are simple: family, high quality, and passing on what we know to the next generation.
- Our Services
Discover WarmSeal's Specialized Services
Our services are all about protecting your home from the elements, improving energy efficiency, and leaving behind a clean, high-quality finish.
External Wall Insulation
We specialise in full external wrap systems that keep your home warmer, cut down on heating bills, and give your house a fresh, modern look.
Custom Window Sill Selection
A proper wrap isn’t complete without the right window sills. We offer a wide range of sill options to suit all finishes
Expert Plastering Services
From internal skimming to dry dashing and sand-and-cement render, we bring generations of plastering skill to your project.
17+
Years of Experience
4.8/5
Ratings from Customers
3+
Generations Served
1.3k
Successful Installations
- Testimonials
Happy Customers, Happy World
Exceptional Craftsmanship
Ed and the lads were brilliant from start to finish. They wrapped our whole house and the difference is unreal—no more draughts, and our heating bills have dropped. Clean, professional, and friendly. Couldn’t recommend them more.
Sarah Donnelly
Exceeding Expectations
I’ve worked with a lot of trades over the years, and WarmSeal stand out. Their plastering is top-notch, and they’re reliable—on time, on spec, no chasing. You know the job’s done right when Ed’s on site.
Mark Hughes
Transformative Results
WarmSeal handled everything for our insulation grant, explained the process clearly, and delivered a lovely finish. The house feels warmer already and looks great too. Delighted with the result.
Anne-Marie Keogh
- Contact Us
Ready to make your home warmer and more efficient?
Whether you’re thinking about external insulation, new window sills, or a fresh plastering job—we’re here to help. Get expert advice, a no-fuss quote, and info on SEAI grants if you’re eligible.
