Tag Archives: roof

Grass is greener atop St. Louis building

A gas fire pit, a fescue lawn, and numerous seating areas are some of the green roof features installed at General American Building in St. Louis, Missouri. Located at 700 Market Street (and now known by its address), the building originally opened in 1979. The six-story structure is the only St. Louis building designed by acclaimed 20th-century U.S. architect Philip Johnson

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Considerations for photovoltaic roofing systems

by Ron Utzler

As the push toward renewable energy continues, roofing suppliers have been receiving an increased number of inquiries from photovoltaic (PV) providers regarding installation of these systems on warranted roof systems. Many of the PV suppliers operate on the assumption membrane manufacturers prefer use of ‘non-penetrating’ ballasted PV systems. However, this is not always the case.

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