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Is your existing HVAC system unable to handle the solar heat-gain on a typical summer day? Do your employees or tenants tape newspaper to their windows so that they can read their computer screens? Is there a building, near yours, that is a potential target for a terrorist's bomb? Is ultraviolet light ruining your valuable artwork and furnishings? The following case studies are testimony to the various solutions 3M Scotchtint™ and 3M Scotchshield™ Window Films can provide.
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Ford Motor Company found it challenging to maintain comfortable temperatures for employees year-round in its forty-year-old headquarters in Detroit - a twelve-story building faced almost entirely with glass. Glare from the sun also made it difficult for employees in the building to see computer screens.
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The National Gallery is a visual arts museum of international stature. It houses Canada's collection of historic and contemporary art within a creative building consisting of many windows and skylights that cast natural daylight upon the nation's treasures.
With the United States Embassy less than 900 feet away, the Gallery is in a high security risk area. Propelled by the forces of a terrorist bomb, flying glass fragments were just one of the wicked elements that attributed to 220 deaths and approximately 4,000 injuries when terrorists attacked the U.S. Embassies in Kenya and Tanzania in 1998. Both RCMP and Ottawa-Carleton Regional Police recommended the implementation of a "comprehensive window protection system" for exposed areas of glass.
In addition to the technical security demands, there were also concerns about maintaining building aesthetics. The architect, Moshe Safdie, was concerned about the visual effects film may have on the transmission of visible light into the Gallery.
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Built in 1813, the Virginia Governor's mansion is the oldest continuously occupied executive mansion in the nation. As project managers neared the completion of a six-month, $7.5 million renovation of the house, they pondered how best to protect the residence in two ways. First, they wanted to preserve the priceless antique furnishings and fabrics, hand-woven carpets, and artwork from the damaging effects of the sun. Second, they wanted to supplement the mansion's safety and security system by making it difficult to break through the building's glass windows and doors.
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At 62 stories, the AON, towering over the sweeping vistas of Los Angeles, is one of the world's tallest buildings. Built in 1974, the AON features windows from top to bottom. To control heat and glare, the building's management had window film applied to the glass in the late 1980s. But while the film did improve energy efficiency, most window films at that time had one serious flaw – eventually they acquired an unwelcome purplish tint. Almost two decades later, the AON was due for a facelift.
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The Amec Building, a thirteen-story office complex in Vancouver, British Columbia, features floor-to-ceiling windows on its entire southern face. And while those windows are an aesthetic asset, they were a liability to tenant comfort.
According to the building's property manager, the office complex was originally constructed with windows that offered only minimal solar protection. So once the sun's rays reached the windows in the morning, the temperature would quickly rise.
In addition, there are fifteen separate zones on a floor, each governed by a thermostat that automatically goes up or down depending on the conditions. In response to the heat of the sun, the thermostats closest to the windows would activate the air-conditioning - not enough to cool the overheated areas - but more than enough to make room temperatures in areas farther away from the windows uncomfortably cold.
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One Market Street, a 1.5 million square-foot building owned by Equity Office Properties Trust, sits on the San Francisco Bay waterfront. With its floor-to-ceiling windows, the building's tenants have some of the most spectacular views of the Bay area. But while the tenants never complained about the outdoor scenery, they did complain about the heat and glare caused by the sun's rays
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When the owner of a 14,000-square-foot dream home in Sedona, Arizona, designed his residence, he included numerous towering windows that invited splendid red rock mountain views on every side of his property. But along with those views, he knew he would have to contend with one problem – the sun. While he wanted to control the sun’s negative effects, such as damaging UV rays, glare, and heat, he didn’t want to compromise the views with heavy draperies or blinds.
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When residential designer Dan Sater designed Casa de Huevos II, a 12,200 square-foot home in Greenville, Ohio, he used lots of windows to enhance the home’s grandeur. (This was the second home that Sater had designed for the owners, who were in the poultry business – hence the name, which translates into House of Eggs 2.)
The home’s two large flying gables top a three-story wall of glass, creating unique rooflines that spark tremendous visual interest from behind the property. But while the windows added appeal to the home, they were also a source of intense heat and glare by allowing the sun’s rays to pour in. In addition, UV light also threatened to damage the furnishings and decor.
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