The nine-story Main Building, constructed in the early 1970s, featured a glass and aluminum curtain wall. SGH investigated water leakage and prepared repair concepts for the owner’s consideration.
Completed in the mid-1920s, 140 New Montgomery Street is one of the early skyscrapers built in San Francisco. The Art Deco high-rise, originally known as the Pacific Telephone and Telegraph Building, served as the headquarters for the...
The twenty-story Philadelphian opened in 1963 directly across the street from the iconic Philadelphia Museum of Art. The mid-century modern building opened with 776 rental units, but was converted to condominiums in 1979. SGH has helped the...
Looking to expand in San Francisco’s Design District area, Equity Residential undertook developing Showplace Square in hopes of attracting employees at the nearby tech companies. The nearly seven-acre development brings 840 apartments in...
The Penn Museum, also known as the University of Pennsylvania Museum of Archaeology and Anthropology, houses a renowned collection of artifacts. The brick masonry structure, which was constructed in multiple campaigns starting in 1895, is one of...
Babson College wanted to expand and modernize the existing Webster Athletic Center and undertook a project to renovate the existing facility and construct an addition that nearly doubled the facility’s size. Together, the two structures are...
Designed by Gio Ponti, the North Building opened in 1971. The castle-like exterior represents the building’s function of protecting the museum’s artwork. The facade is clad in glass tiles that Ponti chose to reflect the light and sky...
The U.S. Department of Agriculture (USDA) National Center for Agricultural Utilization Research is one of the largest federal research facilities in the country. The multibuilding complex comprises laboratories and research space, a library, an...
Sited on the edge of Black Hill Regional Park in the heart of Montgomery County, Lerner Black Hill offers neighborhood conveniences with accessibility to nearby Washington, DC. The apartment complex, with multiple low-rise buildings around shared...
4901 Searle Parkway was constructed in 1941 as the G.D. Searle & Co. headquarters and is, along with its 1958 and 1965 additions, now part of the Illinois Science and Technology Park. American Landmark Properties (ALP) acquired the...
In the March issue of the RCI Technical Journal, Interface, John Karras, Megan Toumanios, and Jin Rui Yap examine window receptor frames. The article takes a close look at the topic, including provisions in window industry standards and...
Philip Frederick, Brian Rose, and Brad Carpenter recently published an article in Construction Specifier magazine that explores the questions: What is a window wall, and what do I need to know for my project?
Megan Toumanios and Anthony Nicastro recently published an article in Glass Magazine, the official magazine of the National Glass Association. The article, “Guide to Flanged Windows: Tips for Navigating the Design and...
Building Operating Management magazine recently published an article written by several Simpson Gumpertz & Heger (SGH) authors discussing the state of building enclosure technology. In “8 Technology Developments Reshaping High-...
Abstract: The primary factors most designers consider when selecting window and curtain wall systems for their projects tend to involve cost, appearance, and energy efficiency. However, other considerations - such as weatherproofing, performance...
Abstract: The evolution of fenestration products since WWII has been constant and dramatic. Fenestration products now approach the energy efficiency of what we used to be common for some opaque walls. Functional options have eased cleaning and...
Abstract: Upgrades of United States energy codes recently attracted attention to the finicky "continuity" details between air and water barriers in facade construction. A typical construction detail on a new project that contains rain-...
Abstract: When a building leaks, the design, workmanship and material of the building envelope are all suspect. The exterior walls, roofing, windows, doors, balcony decks and below-grade...
Abstract: Existing buildings represent an opportunity for environmentally responsible design due to their tremendous embodied energy and, in many cases, their proven longevity. However, renovations to existing buildings, especially those with...