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office building exterior

Cleary Building Corp.

Verona, WI

Two additions completed in cooperation with the local pre-engineered builder tie seamlessly into its existing headquarters; project continues long-term relationship following 2005 expansion and supports client's continued growth

National Construction completed a 6,480 square foot, three-story addition connected by skyway to a 13,231 square foot, two-story addition to Cleary Building Corp.’s Verona, Wisconsin, world headquarters in partnership with the pre-engineered builder.

Before and after
National Construction built two additions.
A skyway connects the two additions.
The two-story addition and the three-story addition
A new parking lot and driveways completed the project.

Cleary challenged the National Construction team to develop design options that went beyond basic office environment finishes like acoustic ceiling tiles and white walls. National Construction proposed several options that opened up the space and exposed interior rafters and ductwork, which had the added benefit of showcasing the Cleary-built building system. National also recommended building products that would wear well over time. For example, instead of using drywall for the ceiling between the rafters, National Construction suggested using metal. The new space is airy and modern, in line with the aesthetic preferences of a new generation of employees.

Exposed rafters and mechanicals
High ceilings provide an airy environment.
Exposed mechanicals
A skyway connects the two additions.
A spacious conference room
A beverage prep center
A conference room used for recording
New flooring
Offices look onto an open area.
Bathrooms with a no-touch entrance
A bathroom with modern finishes
Breakroom includes a kitchenette

The biggest challenge was accommodating Cleary office employees who were working on site during the project, made even more complicated by the ongoing COVID-19 pandemic. Staff were moved in phases and allowed pass-through access during construction. Work was completed as quickly as possible to minimize disruption.

Drone photography courtesy of Cleary Building Corp.


At a ribbon cutting celebrating the finished project and partnership, National Construction Co-owner Jeff Grundahl noted how meaningful it was to complete multiple projects for a client within its own industry. “The collaboration and self-performance by both of our teams was outstanding,” he said.

The finished additions provide more space for employees to work and collaborate. The additions encompass open and private office space, breakrooms, conference rooms, restrooms, and space for mechanicals and storage. A SIPS roof system provides eight inches of insulation, making the exposed rafters possible on the interior. Construction also included storm water management and parking lot improvements.

At the time of construction, Cleary had been in business for more than 40 years and sold more than 100,000 buildings. President Sean Cleary said the expansion represented the company’s commitment to its continued future growth and to the Verona community.



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