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May 2, 2014

Restoration (Oregon) -- AGC Center

Photo courtesy of Western Partitions
Most of the EIFS was replaced on the AGC Center, along with 17 windows.

Location: Wilsonville

Contractor: Western Partitions

Architect: Western Architectural

Team: Building Specialties; Dryvit Systems; USG Building Systems; Scafco Steel Stud Co.

The scope of work for the AGC Center included removal and replacement of most of the 35-year-old exterior insulation and finishing system (EIFS) and replacement of 17 windows.

Working with the owner, Western Partitions acted as the general contractor as well as the wall and ceiling contractor. The project started immediately and had a 90-day schedule.

The first big challenge was that the sealant around the window frames had been installed without backer rod and had three-sided adhesion. Western Partitions was able to cut the backside adhesion without damaging the system or the window frame.

Another challenge was removing the existing EIFS down to the framing on the bottom three floors. To work inside the building, Western Partitions had to move furniture away from outside walls while minimally displacing the tenants.

Most of the window headers had rusted through, and the existing sills were inadequate to support the new windows. Devco Engineering provided guidance on repairing the light-gauge steel framing, and Scafco designed special 16- and 14-gauge shapes for headers and sills. Crews installed all 17 windows in four days.

Finally, the remaining rusted steel on the exterior of the building was repaired and the EIFS and DryvitCARE package completed.

Judge’s comment: “The AGC building has been transformed into a magnificent facility that maintains the character of its original 1979 design. The outstanding rework to the existing and installation of the new EIFS resulted in a beautiful energy-efficient structure satisfying exactly what the owner wanted.”

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