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Friday, 30 October 2026
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3D Printing Technology Used to Rebuild Home in Altadena After Fire

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Written with artificial intelligence.

3D Printing Technology Used to Rebuild Home in Altadena After Fire

In Altadena, California, a home lost in the Eaton Fire is being reconstructed using a concrete 3D printer, demonstrating innovative construction technology. Emergent Construction is leading the project, emphasizing fire resistance and unique design capabilities.

Innovative Reconstruction in Altadena

In the aftermath of the Eaton Fire that devastated Altadena in January last year, construction continues to thrive. Among the rebuilding efforts, one home on Pine Street is particularly notable for its use of a concrete 3D printer, which is drawing interest from local residents and contractors alike.

William John Raitt, founder of WJR Interiors, expressed his curiosity after encountering the unusual machinery. "I was driving down the street and I saw this contraption. This is alien to me and I wanted to see what it's all about," he remarked.

Emergent Construction is utilizing the 3D printer to extrude layers of concrete, with each layer measuring 2 inches tall and 2 inches wide, gradually creating the home's walls. Don Ajamian, the owner of Emergent, stated that the structure is designed to be resilient, emphasizing its fire-resistant qualities.

3D Printing Technology Used to Rebuild Home in Altadena After Fire
Image generated with AI

Paraic McGarty, CEO of Willow 3D, which owns the printer, described the home as a bunker, featuring 11 inches of concrete reinforced with rebar and insulation. Ajamian noted the growing demand among homeowners wanting to rebuild without wood, especially after experiencing a fire.

The cost of constructing a 3D printed home is comparable to that of traditional wood frame homes, allowing for intricate designs that would be prohibitively expensive with conventional methods. Emergent Construction is also contracted for six additional homes in the area, showcasing the potential of this advanced technology. The 3D printing of the Pine Street home is expected to be completed next week, with hopes for the family to move in within six months.

Construction3d printingAltadenaHome constructionEmergent constructionFire resistance
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