Architectural Feature Wall: Stainless Steel & Rust Pair Beautifully

Steel Rust Architectural Feature Wall

When a local manufacturer wanted to erect an architectural feature wall, they turned to Grunau Metals. With our unique knowledge and experience in specialty metals, Grunau Metals  constructed an outdoor feature wall using COR-TEN material, also known as weathering steel. This type of material will develop a protective coat of rust when exposed to the […]

Clean Room for Medical Manufacturer

Clean Room

A major medical device manufacturer needed a “clean room” built but with one caveat; it needed to be placed inside an existing structure. A clean room is typically used when manufacturing a product that requires a low level of environmental pollutants like dust, airborne microbes, aerosol particles and chemical vapors. Due to the amount of equipment needed […]

Continuous Improvement in Metals Mania

continuous improvement stainless u-cell

Enthusiasm abounded in the latest Lean 5S / kaizen (continuous improvement) event in our Grunau Metals shop. All of the Metals Shop members were on the team that worked on some part of this 4½-day event in February.  Plus the team received help from our Grunau electricians to make electrical changes. Visiting Past Kaizen Events […]

The Story of Seven Bridges

Metal bridges

Grant Park is Milwaukee County’s 2nd largest park and best known for its Seven Bridges Trail.  The trail system was developed from paths originally created in the early 1900’s by the park systems first Superintendent of Horticulture, Frederic C. Wulff. In the 1930’s, the bridges that are now the park’s namesake were added, but later fell into […]

Facade Function Behind the Form


Every great architectural structure has two parts: The part you actually see and the part you don’t.  Therefore the facade you see on retaining walls along freeways have hidden structural components that hold everything together. I-94 Facade Grunau Metals recently modified some off-the-shelf structural steel components for rebuilding Interstate 94 in Milwaukee. The highway’s retaining walls were constructed from vertical steel beams […]

Parking Structure Gets Flair

Parking structure

A parking structure is typically a utilitarian building without a lot of design aesthetics. Their sole purpose is to store as many cars as possible in the smallest footprint possible. Architects from KM Development teamed with Architectural firm Epstein Uhen to take a fresh approach to a common problem and add a dash of design aesthetics […]