Produced by the Technical Preservations Services division of the National Park Service
The principles and practices that are outlined in these documents represents current best practices in the field of historic preservation. These documents are the standard of treatment for many local preservation commissions, and the Preservation Briefs are frequently referenced in architectural specifications. Visit the Technical Preservation Services website for more information.
Brief Number
Title
1
Assessing Cleaning and Water-Repellent Treatments for Historic Masonry Buildings
