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Walmart partnered with construction company Alquist 3D last year to build an almost 8,000-square-foot addition to its store in Athens, Tennessee, for online order pickup and delivery services. It is the largest 3D-printed commercial structure in the U.S. and, despite a bumpy start, a key proof of concept for the technology’s commercial viability. 

Alquist, based in Greeley, Colorado, just announced it will now print more than a dozen new Walmart buildings, as well as buildings for other commercial retailers, in what is arguably the largest-scale commercial real estate deployment of this technology, which has mostly been used in residential construction so far. 

As part of that deal, Sika, one of the world’s largest construction materials companies, with a heavy focus on sustainability, will provide materials to Alquist for all future 3D-printed projects and licensees. This will streamline Alquist’s national pipeline, lower material and freight costs, and accelerate development of more sustainable mixes for large-scale 3D-printed construction — including the commercial projects rolling out with Walmart, according to Alquist.

“This collaboration positions Sika at the forefront of next-generation construction, opening new markets and creating long-term growth opportunities,” said Noah Callantine, 3D concrete printing engineer and field service specialist with Sika.

It is a clear turning point in CRE construction, which has been notoriously slow to modernize. The new technology has started to grow in the homebuilding market, but has been far slower in commercial construction, simply due to the size of the printers needed to create larger buildings.

Alquist, which designs and builds the larger-scale printers, as well as develops the code and software to operate them, started in the residential sector. It is now partnering with a large equipment rental dealer and a full-service general contractor to scale the technology commercially nationwide. Doing so helps to lower the high cost of materials, as well as the labor, which needs to be both trained and local, according to Alquist. 

“The way to bring prices down [for] anything is to get volume, and as you get volume, you get the attention of suppliers. They see that it matters, and the more that they make, the cheaper that they can bring their supply chain down,” said Patrick Callahan, CEO of Alquist.

Icon Build, the largest residential 3D printing technology company, is also starting to dip its toes into commercial construction. It has completed a hotel project and is now in talks with potential commercial partners, including for construction of data centers. Its forthcoming Titan printer will be able to handle those larger-scale projects. 

“I think once that’s out in the world, showing what it can do, verifying the cost estimations that we’re making to customers, I think that’ll probably open a lot of people’s eyes,” said Jason Ballard, co-founder and CEO of Icon. “I think we should expect to see a lot of interest in alternative ways of construction, data centers and other kinds of commercial things as well.”

But Ballard sees more headwinds than Callahan, particularly when it comes to labor. He said data centers are already “sucking up a lot of the labor in the market.” He added that 3D printing for commercial buildings will have similar pressures as residential to build more affordably and more quickly relative to conventional construction methods. 

That said, Ballard said next year Icon will be manufacturing at least one of the new Titan printers each month, setting itself up to scale construction dramatically. Those printers will be able to create most types of industrial commercial buildings, although they are not ready for high rises. 

“If we do what I expect that we’re going to be able to do next year and show, both on the revenue side, the cost side, the technology advancement side — I think we’ll grow over 300% next year, and we were already pretty busy this year,” Ballard said. “I think the world’s going to start to say, perhaps there are real opportunities to do better, beyond the pilot scale.”