Professional Practice
Historic Windows: Managing for Preservation, Maintenance, and Energy Conservation
Date: 3/18/2014 - 3/19/2014
Type: Other

Greenbelt, Maryland — March 18-19, 2014

Historic windows are both critical components of a building’s weather envelope and valuable character-defining features worth retaining for architectural and environmental reasons. Learn about the rich history and variety of wood, steel, and aluminum windows and construction methodology. Explore the maintenance and rehabilitation techniques that allow windows to have long and sustainable service lives. Review energy conservation and economic issues as factors facing managers in the restore-or-replace debate and regulations relating to preservation of these assets. An agenda is available online at

Instructor. Gordon H. Bock, principal, National Archives Associates; adjunct instructor, Drew University; contributing editor Traditional Building; former editor-in-chief, Old-House Journal; architectural historian, writer, editor, and co-author of The Vintage House.

A registration form is available online at

This seminar is being held in cooperation with the Greenbelt Museum and Maryland Milestones & Anacostia Trails Heritage Area Inc.

The National Preservation Institute, a nonprofit organization founded in 1980, educates those involved in the management, preservation, and stewardship of cultural heritage.