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March 2007

Owens Corning headquarters earns LEED certification

The world headquarters of Owens Corning has joined just 36 other buildings in the United States to earn the prestigious Silver Certification under the U.S. Green Building Council's (USGBC) Leadership in Energy and Environmental Design (LEED) Existing Building (EB) program. To achieve the award, the building's design and operation has met stringent standards as an energy-efficient, environmentally responsible and healthy place to live and work.

The LEED certification of an existing building is a significant achievement because it is generally easier to design these features in new construction. The Owens Corning world headquarters, built in 1996, is the first building in Toledo, Ohio, to earn this important benchmark. The building has already earned an Energy Star rating, which ranks it among the top 25 percent of energy-efficient buildings in the United States.

Some features that were noted during the certification process:

Under-floor Ventilation: This design feature allows for energy-efficient air delivery. Because the conditioned air is delivered in the floor grid, controllable vents can be dropped into virtually any area, allowing for individual control of thermal comfort in each work area.

Site Selection: More than 55 percent of the Owens Corning world headquarters site has been restored to its natural environment. During a period of three to five years, indigenous prairie grasses were developed on the grounds. Because these are natural varieties of prairie grass, maintenance is extremely low.

Daylight and Views: Nearly 90 percent of the occupants in Owens Corning world headquarters reside in the east perimeter of the building. This section of the building is surrounded by a wall of glass, which provides optimal access to daylight that can be controlled with adjustable shades. In all, there are 90,000 square feet of windows at the headquarters.

Recycling of Partitions and Carpet: Nearly all of the carpet in the Owens Corning world headquarters is made up of removable, reusable carpet squares. These are held in place by friction and gravity, using no adhesives. All of the internal partitions can be moved and reused. This means there is virtually no construction waste when new workspace configurations are required.

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