Industry Insight Case Study

From Factory Floor to Finished Building: A 72-Hour Assembly Case Study

A detailed look at how one 48-unit residential project went from factory line to a fully assembled building envelope in just 72 hours on-site.

Admin Aug 3, 2026 A super quick read

Modular building units under assembly on-site

Assembly speed is one of the most visible advantages of modular construction, but it depends on months of upstream planning. This case study breaks down how a 48-unit residential project achieved full building envelope assembly in just 72 hours of on-site crane work.

Sequencing the Lift Plan

Every module was pre-sequenced weeks in advance, with crane paths, rigging points, and delivery order locked before the first truck left the factory. That level of choreography is what makes rapid on-site assembly possible without sacrificing accuracy.

Quality Control Before It Ever Reaches Site

Because each module passes through the same in-factory inspection checkpoints, on-site teams spend their time on connections and finishing rather than troubleshooting inconsistencies between units.

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FAQ

What is modular construction?

Modular construction is a process where a building is constructed off-site, under controlled plant conditions, using the same materials and designed to the same codes as conventionally built facilities.

What types of projects does Stack Modular deliver?

We deliver multifamily, student housing, hospitality, healthcare, and commercial projects of nearly any scale.

Why choose Stack Modular?

We combine engineering precision with schedule certainty, reducing delivery time without compromising quality.