On a historic building the wall surface material should be visually appropriate to the period and style of the building and in terms of dimensions, sill board, corner board, cornice, crown molding, and other window and trim detailing.
As manager of one-fifth of the land in the United States, the Department of the Interior develops national policy related to historic preservation and is steward of prehistoric and historic districts, sites, buildings, structures, and objects.
The NPS created the reference guide in cooperation with the National Conference of State Historic Preservation Oficers (NCSHPO).
Referenced compliance resources now include GSAs Historic Building Document Repository, providing centralized online access to building preservation plans, historic structure reports, National Register nominations, and other documents.
Federal agencies undertaking a project having an effect on a listed or eligible property must provide the Advisory Council on Historic Preservation a reasonable opportunity to comment pursuant to section 106 of the National Historic Preservation Act of 1966, as amended.
