The National Environmental Balancing Bureau is offering an instructional course on building enclosure testing. The event, Sept. 9-11, will be held in Washington, D.C., at the American Institute of Architects headquarters.

The seminar will aim to provide attendees with an introduction to building enclosure testing concepts, including discussions of environmental safety enclosures such as air barrier enclosures.

Various testing methods that are currently being specified will also be included. The seminar will conclude with a session on troubleshooting air barrier leakage issues and problem resolution. Written and practical exams will also be offered after the two-day educational session.

Registration deadline is August 30. For more information or to register, visit www.nebb.org.