About Us

About Stronghold ICF

Stronghold ICF was founded in Limerick with a clear vision: to build smarter, stronger and more durable structures for Irish homes and businesses. With experience rooted in both hands-on construction and modern project management, we set out to bring the benefits of Insulated Concrete Formwork (ICF) to communities across the southwest.

From the beginning, our mission has been simple – to deliver high-performance buildings that stand the test of time. Homes that keep families safe, comfortable and energy-efficient, and commercial structures built to support growth well into the future.

We’re proud to be a locally owned and operated company, serving clients throughout the Munster region, including Limerick, Clare, Kerry, Cork and Tipperary. At Stronghold ICF, we combine modern building technology with trusted local craftsmanship to deliver long-lasting results you can rely on.

Building Smarter with ICF Construction

At Stronghold ICF we use ICF (Insulated Concrete Formwork) – a modern, energy-efficient building method that delivers exceptional comfort, strength, and sustainability.

ICF walls are made using hollow EPS (expanded polystyrene) blocks, which are stacked together like Lego, reinforced with steel rebar, and then filled with concrete to form a solid, insulated structure. The result is a durable concrete wall with built-in insulation on both sides – keeping your home warmer in winter, cooler in summer, and quieter all year round.

This method combines the best of both worlds: the strength and stability of reinforced concrete with the superior energy performance of modern insulation materials. It’s ideal for Irish homes and buildings, offering long-term savings on energy bills and outstanding comfort in every season.

If you are planning a new build or extension, ICF construction is a smart, sustainable choice that will stand the test of time.