Environmental Design + Construction - October 2008 - (Page 37) Cool Roofing Prospect Waterproofing Co. of Sterling,Va., made green roof maintenance a priority to ensure that building owners were satisfied. A Growing Marketplace Prospect Waterproofing keys on installation and maintenance of garden roofs. s the United States becomes more ecology conscious, Prospect Waterproofing Co. of Sterling, Va., is keeping up with advancements in green technology and securing its position as a leader in the installation and maintenance of vegetated roofs. James N. Stamer, president of Prospect Waterproofing Company, has been a proponent of green roofs since the company was formed in 1992. With more than 350 employees and 98 percent of its work performed through contracting services, Stamer said Prospect Waterproofing is a leader when it comes to green initiatives in the roofing industry. “Many factors are driving green,” Stamer said. “With the media and government focusing on global warming, we are looking for means and methods to improve the environment.” WHERE GREEN FITS Prospect Waterproofing performs its work mainly in the Chesapeake Bay Watershed, an area it is also helping to protect. “Washington, D.C., has passed a law stating that private projects of more than 50,000 square feet be built to green specifications by 2012,” Stamer said. “Other local jurisdictions expedite the permit process. In order to reduce stormwater runoff, green roofs are promoted and dollars can be saved in construction through the reduction or elimination of stormwater management tanks.” In many cases, said Stamer, private developers looking to lease space to the government must meet Leadership in Energy and Environmental Design (LEED) Green Building Rating System requirements. “If green roofing covers over 50 percent of the roof area, one point can be achieved through LEED Credit 7.2, ‘Heat Island Effect Roof,’ ” Stamer noted. “Vegetated roofs can also contribute to stormwater management points available under Credit 6.2.” Owners and developers are also looking at green as amenity space, Stamer said. “If you are building a high-rise apartment that overlooks a three-story retail area in a mixed use project, will it be easier to rent or you can rent for more if the three story area is green as opposed to standard roof ballast, granular surfaced modified, white TPO.” > Fall 2008 < Cool Roofing by tom watts A 37
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