The National Roofing Contractors Association will hold its 2011 International Symposium: Emerging Technologies and Roof System Performance September 7-9 in Washington, D.C., at the JW Marriot Hotel. The symposium provides a forum for the formal presentation of roofing industry research and the latest information addressing the science of emerging roofing technologies, including reflective roof surfaces, vegetative roof systems and rooftop photovoltaic systems

The symposium, which will be held in cooperation with Oak Ridge National Laboratory, Oak Ridge, Tenn., and National Research Council of Canada, Ottawa, Ontario, will include discussion topics such as high-performance roof systems; sustainable roof systems; roof systems incorporating renewable energy; energy efficiency; and life-cycle analysis of roof systems. The symposium will bring together industry leaders, researchers and other industry stakeholders.

The symposium is $995 for NRCA members and government agencies and $1,095 for nonmembers.

For registration, hotel reservations and more information, visit www.roofingsymposium.org or contact NRCA's Customer Service Department at (866) ASK-NRCA (275-6722) or info@nrca.net.

NRCA is one of the construction industry's most respected trade associations and the voice and leading authority in the roofing industry for information, education, technology and advocacy. It represents all segments of the roofing industry, including contractors; manufacturers; distributors; architects; consultants; engineers; building owners; and city, state and government agencies. NRCA's mission is to inform and assist the roofing industry, act as its principal advocate and help members in serving their customers. NRCA continually strives to enhance every aspect of the roofing industry. For information about NRCA and its services and offerings, visit www.nrca.net.