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Johns Hopkins Hospital

Airolite Co.

While not visible from the front, products from Schofield, WI-based Airolite were nonetheless important to the successful design and construction of The Johns Hopkins Hospitals new 1.6-million sq. ft. main building. With a price tag that topped $1.1 billion dollars, the new state-of-the-art facility opened in mid-2012 on the Johns Hopkins campus, replacing the original outdated building.

The building's design is comprised of two 12-story connected towers. One is the Sheikh Zayed Tower for cardiovascular and critical care. The other is the Charlotte R. Bloomberg Children’s Center which houses a children’s hospital. The building was designed to complement the look of existing medical campus buildings while making a strong statement about the long tradition and promising future of medicine that is practiced, taught and explored at this prestigious institution.

Although no louvers are visible from the south-facing front entrance of the building, the sides and rear of the facility contain over 21,000 square feet of Airolite louvers. Most were used to form a continuous sweeping span around the sixth floor. The sixth floor louver wall periodically rises up into the seventh floor and gently draws one’s attention skyward toward the eighth floor where the twin towers come together. Airolite storm class louvers (Type SCH7), extruded aluminum stationary louvers (Type CB609) and (Type K 609) and extruded aluminum drainable louvers (CB638HP) were painted with a custom color-match Kynar® pearlescent pewter coating to match other aluminum materials in the building. The sleek, clean lines of the louver walls with concealed vertical mullions complement the building’s impressive modern look. Six to seven inch louver blade depths add further interest to the building’s exterior design.

In addition to looking great, the Airolite louvers designed for this building provide much needed intake air and exhaust ventilation while minimizing or preventing water penetration. The building’s location on the East Coast makes it vulnerable to occasional hurricanes and high winds blowing in from the Atlantic Ocean. Water penetration was minimized at reasonable cost by using a combination of Airolite storm class, stationary and drainable louvers.

Airolite’s Type SCH7 is a storm class combination louver designed and rated to provide high volume intake and exhaust ventilation and the greatest level of protection against water penetration. It was used on parts of the building with the greatest exposure to severe wind and rain off the coast. Airolite’s extruded aluminum stationary louvers (Type K609/CB609) are designed for applications that require intake and exhaust ventilation with moderate protection against water penetration and were used in less vulnerable locations. Extruded aluminum drainable louvers (CB638HP) are drainable louvers designed to provide high volume air flow and resistance to water penetration. The louver incorporates a drainable head-frame to prevent water from cascading from shear-walls onto the louver assembly and becoming entrained in the intake air flow. In addition to the louver walls, Airolite provided penthouses with louvers to protect equipment on top of the building.

Dan Higdon, ISEC, Inc. supervised installation of the Airolite louvers and was very pleased with the staged delivery that took place over one year. “They pretty much came on schedule,” he said. “At one point, they were coming faster than we could install them.”

The hospital was designed by the Chicago office of Perkins & Will. ISEC Inc., Mid-Atlantic Region, Columbia, MD, handled the installation of the Airolite products. The Airolite representatives were Latitude 40 of Erie, CO, and Advanced Building Concepts of Lutherville, MD.

About Airolite

Airolite manufactures architectural louvers, custom grilles, sunscreens and sun controls. All  products are made in the U.S.A. To learn more, visit www.airolite.com.

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