Welcome to our website!
Since our inception in 2014 we have specialised in the distribution of high-performance External Wall Insulation and render systems for both residential and commercial projects.
Since that time we’ve grown and added an in-house production team for the fabrication of aluminium window sills & profiles for the construction industry.
Our new brand, the “Insulation Warehouse”, is now available for all general insulation sales, having been awarded exclusive Irish distribution for several international manufacturers.
About
Welcome
External Wall Insulation
At Eco Celt Ltd, we are proud to be a trusted supplier of the STOMIX range of External Wall Insulation (EWI) systems, offering market-leading solutions for thermal efficiency, energy savings, and facade protection.
Whether you’re a homeowner looking to reduce heating costs or a contractor seeking certified EWI systems for your next project, we’re here to help with expert advice, premium products, and reliable technical support.
Our Brands
Services
OUR RANGE
How can we help?
External Wall Insulation
Energy-efficient systems designed to reduce heat loss, improve U-values, and upgrade the building’s thermal performance.
Render Systems
A full range of breathable and durable render finishes, including silicone, acrylic, and mineral options – ideal for both new build and retrofit
General Insulation
High-quality insulation for walls, roofs & floors, suitable for domestic and commercial use. Common types & sizes stocked for fast dispatch.
Aluminium Fabrication
We custom produce architectural aluminium profiles, cills & trims in-house, ensuring precision, consistency, and short lead times.
Project Design
Our technical teams is available to provide expert design support to tailor systems to your specific project conditions
Installer Training
Certified training for installers on our EWI and render systems – ensuring quality installations and access to grant-funded work.
Benefits
Choose Us
Why Choose Us?
Expertise
Decades of combined industry experience in EWI & insulation – ensuring every project is handled with confidence and precision.
Certified Systems
Our systems are ETA & NSAI certified where applicable. All of the render & insulation we supply is CE marked appropriately.
End-to-End Support
From design and specification to training and aftercare, we support you at every stage of the project.
Fast Turnaround
With large stock levels and efficient logistics, we deliver materials and support quickly to keep your project on track.
Testimony
Client Testimonials
What Do Our Clients Say?
Rated 5 out of 5
“Eco Celt are always at the other end of the phone when we need them. Deliveries to the very top of Donegal are consistently quick, and they always have practical solutions for any retrofit challenge we face. A brilliant company to work with.”
Michael McDevitt
Installer
Rated 5 out of 5
“Eco Celt are an absolute pleasure to partner with. Their deliveries are always prompt, and their technical expertise is second to none. Gerry, their trainer, is a fountain of knowledge, and their installer app makes every job smoother and more efficient.”
Paul McGarry
Installer
Connect With Us
Do You Have Any Questions?
Whether you are a Homeowner, Installer, Architect, Builder or Specifier, Eco Celt has expert staff on hand to assist you with any queries