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Ireland’s First 3D Printed Homes Emerge in Dundalk, Signaling Construction Revolution

The system employs a gantry mounted 3D concrete printer, programmed to extrude a specialized concrete mix according to a digital plan. This machine constructs cavity walls without traditional concrete blocks, laying precise 50mm layers to form the structure.

Justin Kinsella, MD of Harcourt Technologies (HTL), the company behind this innovation, explains the concrete composition: “We’re using the lowest carbon embodied printed concrete globally. Its specific formulation allows for optimal flow through the printer while maintaining structural integrity.”

The printer’s current pace is notable – it takes about 18 minutes to lay a 50ml layer around the three-unit block. HTL aims to reduce this to 12 minutes, further accelerating construction.

This method offers significant advantages:

  • Triples construction speed compared to traditional methods
  • Reduces labour requirements by a third
  • Cuts overall construction time by 25-30%

While currently cost-comparable to traditional construction, the real savings lie in reduced on-site time and labour costs.

Ireland's First 3D Printed Homes Emerge in Dundalk, Signaling Construction Revolution

The implications for Ireland’s construction Industry are far-reaching. With a housing crisis looming, this technology could dramatically increase housing output. The Louth Meath Education & Training Board (LMETB) is already preparing for this shift, offering training programs on 3D construction printing.

Sadie Ward McDermott of LMETB emphasizes, “This technology is crucial in addressing our housing needs & labor market challenges. It allows companies to expand despite workforce shortages.”

However, the technology doesn’t replace traditional skills entirely. As McDermott notes, “You’ll still need electricians & plumbers for finishing work. This technology augments rather than replaces existing construction methods.”

The project has caught the attention of county councils nationwide, who see its potential to address housing shortages. Joan Martin, CEO of Louth County Council, predicts, “It will get more efficient, cheaper and quicker, giving us another option for rapid house construction in Ireland.”

As the Dundalk project progresses, it’s clear that 3D printed housing could reshape Ireland’s construction landscape, offering a high-tech solution to age-old housing challenges.


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Nestor Sawayn

Nestor Sawayn is a seasoned tech journalist and editor with a deep-rooted passion for the latest innovations. His main areas of focus are maker tools – spanning 3D printers, vinyl cutters, paper printers, and laser cutters. However, Nestor's interests extend beyond the realm of hardware, as he avidly explores the creative potential of board games and tabletop RPGs. **EXPERTISE** - In-depth knowledge of 3D printers, maker tools like Cricut-style vinyl cutters and laser cutters, as well as traditional paper printers - Analyzing and reviewing the latest tech products and trends **CREDENTIALS** - 3 years of experience as a technology journalist, editor, and product reviewer - Contributed to numerous renowned tech publications and websites - Attended and covered major industry events and product launches Joined 360TechInsights MAY 24, 2024 As a tech journalist with a keen eye for innovation, Nestor brings a wealth of expertise and passion to his coverage of the ever-evolving world of technology, with a particular focus on empowering makers and creatives through cutting-edge tools and devices. Feel free to reach out to me at nestorsawayn@360techinsights.com.

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