In full sun, the surface of a black low-slope roof may experience a temperature rise of as much as 50 to 90 degrees Fahrenheit (F), reaching midday temperatures of 150 to 190 F on a summer day. A white vinyl/PVC reflective roof on the same building typically increases only 10 to 25 degrees above ambient temperature under the same conditions. A differential of this magnitude begs the question: What makes one roofing material “cooler” than another?
The
growing awareness of the ecological impacts of development and the associated
growth in the green building industry is prompting renewed interest in green
roofs. Due to their lighter weight and reduced costs, extensive green roofs are
poised to become much more common in the U.S. market.
The International Roofing Expo continues to solidify its reputation as the must-attend industry event, and this year’s show set records for the number of attendees and exhibits. The 2007 IRE, the third edition of the show since it has been owned and managed by Hanley Wood Exhibitions, was held March 6-8 at the Las Vegas Convention Center.
Located in the heart of Chicago’s Magnificent Mile, 669 N. Michigan Ave. needed a replacement for its existing asphalt-covered rooftop. The new roof boasts a highly-reflective, soybean-derived white coating that stays cool during the summer months, dramatically lowering both exterior and interior temperature levels.
Old Country Roofing Launches New Turn-Key Solar DivisionVacaville, Calif. - Old Country Roofing announced the formation of OCR Solar Solutions, a new division that will focus on providing comprehensive turn-key
Green roofs are quite common in Germany and other parts of Europe, as well as in Asia; however, few or only limited studies evaluating their benefits have been conducted. The Denver facility’s EPA evaluation will likely be one of the most thorough evaluations ever undertaken.
More than 45,000 square feet of Metl-Span CFR-42 insulated foam panels were utilized on the new Northern Guilford Middle School in Greensboro, N.C., the most environmentally sustainable school in the
Using
solar laminates to power 50 percent of its operations enables General Motors' Service Parts Operations Parts Distribution
Center in Rancho Cucamonga, California, to
save 10 percent of its electricity costs each year.
Steel Shingles Provide High Solar ReflectanceJoplin, Mo. - Suitable for residential and commercial applications, TAMKO Building Products, Inc.’s MetalWorks Cool Colors steel shingles are manufactured to be long lasting and
What makes one roofing job a little more special than the next? A particularly finicky client, or perhaps a building with historical significance? How about a demanding set of specifications or a particularly daunting set of logistical challenges? Or the constraints of a schedule that allows almost no room for error? The reroofing project at Union Station (Old Montgomery Train Station) is one that featured a little (and sometimes a lot) of each.
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