The National Park Service's official advice on preserving and restoring historic buildings.

Provides guidance to historic building owners and building managers, preservation consultants, architects, contractors, and project reviewers prior to treatment of historic buildings.

The Interior Dept. is responsible for establishing professional standards & providing advice on the preservation & protection of all cultural resources listed in or eligible for listing in the National Register of Historic Places. These Standards are intended to be applied to a wide variety of resource types, including buildings, sites, structures, objects, & districts. The Standards are neither technical nor prescriptive, but are intended to promote responsible preservation practices. Covers: exterior building materials & features; interior building systems, spaces, & finishes; building sites; settings. Photos.