Washington, DC
West Half
Scope/Solutions
With its stepped facade and alternating balconies, terraces, and rooftop amenity spaces, West Half provides residents with exterior access and sweeping views of Nationals Ballpark and the surrounding neighborhood. The facade features floor to ceiling glazed window walls punctuated by pops of bright yellow panels that suit the lively Navy Yard neighborhood. SGH consulted on the building enclosure design for the thirteen-story building at 1201 Half St SE.
SGH consulted on the building enclosure design, including below-grade and plaza waterproofing, exterior cladding systems, air and thermal barriers, glazing systems, and numerous roofing systems. Highlights of our work include:
- Reviewing the building enclosure design for airtightness, watertightness, thermal performance, condensation resistance, and constructability
- Assisting with the below-grade waterproofing design and field quality control during installation
- Consulting on the window walls, including participating in design-assist meetings and developing details to integrate them with the surrounding cladding, intersecting balcony waterproofing, and roofing
- Evaluating potential waterproofing and balcony coating options for the stepped facade and helping the team select materials that could work consistently across the varying steps and setback conditions
- Consulting on the roofing, including waterproofing for a rooftop pool and amenity deck
- Developing the testing plan for the facade and observing field testing of the window walls to validate performance and workmanship
- Providing construction phase services, including reviewing contractor shop drawings, responding to requests for information, observing construction, and helping the project team address unforeseen and as-built field conditions
Project Summary
Solutions
New Construction
Services
Building Enclosures
Markets
Commercial | Residential | Mixed-Use
Client(s)
Eric Colbert & Associates
Specialized Capabilities
Facades & Glazing | Roofing & Waterproofing
Key team members


Additional Projects
Mid-Atlantic
The Boro
The buildings house 750 apartments, 400,000 sq ft of office space, more than 200,000 sq ft of retail space, a new flagship grocery store, and a movie theater. SGH consulted on the building enclosure design for all four buildings and the podium.
Mid-Atlantic
1111 Pennsylvania Avenue
Carpenter Norris Consulting was the lighting designer and developed an innovative light pipe to direct sunlight down through the core of the building. SGH provided building enclosure and structural engineering services to assist with the design and facilitate the installation of the light pipe.