Handout: NPS Technical Preservation Services Window Repair Guidance

The Prince George’s County Historic Preservation Commission and MAHDC hosted “Windows in Historic Buildings: Considerations for a Reasonable Approach to Preservation,” with speaker John Sandor, Architectural Historian, Technical Preservation Services Division of the National Park Service, on September 25, 2017 at the Newton White Mansion. The session addressed:

  • Windows as character-defining features of historic buildings
  • Compatibility
  • How the National Park Service assesses when a window needs to be retained and when a window may be replaced
  • How to debunk the energy efficiency myth
  • Special issues with metal windows
  • Communicating effectively with property owners about these issues

About John Sandor
John Sandor has worked as an architectural historian in the Technical Preservation Services Division of the National Park Service since 1996. He reviews rehabilitation projects seeking certification for federal tax credit and provides assistance to the users of the program and the general public on technical aspects of preservation. He previously worked as the architectural coordinator for the WV State Historic Preservation Office and has experience as a preservation consultant and a carpenter. He is a graduate of Carnegie Mellon University in architecture. He serves on the board of the Latrobe Chapter of SAH and is president of the DC Preservation League.