1730 Pennsylvania Avenue

Washington, DC

A complete façade replacement while the building was 100% occupied, the project required removal of deteriorating stone cladding and installation of a new energy-efficient unitized curtainwall. The renovation was a technical response to the failure of the enclosure, an opportunity to improve the performance metrics of the building and to simultaneously upgrade its image. There was a short timeline for design and construction and phasing was planned carefully between with the contractor and tenant schedules in the occupied building.

Our goal was to increase daylight and views, improving façade performance by decreasing air and water infiltration, minimizing envelope surface area and joints for initial cost savings and long-term maintenance.

 

The high-performance glass covers the building's concrete structure and improved daylight illumination by 51%. The result was a 36% reduction in façade surface and a 20% reduction in energy usage.

Award

AIA Chicago Divine Detail Award

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