Practical & Technical Guidance

Preservation How-To

Secretary of the Interior's Standards for the Treatment of Historic Properties - Common sense historic preservation principles presented in non-technical language.
Preservation Briefs - Technical guidance on preserving, rehabilitating, and restoring historic buildings. Briefs cover 47 different topics including the Preservation and Repair of Historic Log Buildings, Roofing for Historic Buildings, and Preserving Historic Wooden Porches.
Preservation Tech Notes - Tech Notes provide practical information on traditional practices and innovative techniques for successfully maintaining and preserving historic buildings.
National Center for Preservation Technology and Training - Find the latest research in preservation science and technology.

Historic Wood Windows (PDF) - Tip sheet from the National Trust for Historic Preservation.
Saving Windows, Saving Money: Executive Summary - A report produced by the Preservation Green Lab, a project of the National Trust for Historic Preservation, offers insight for homeowners weighing the financial and energy tradeoffs between replacing or repairing older, less efficient windows.
Repair or Replace Old Windows: A Visual Look at the Impacts (PDF) - Illustrated guide is designed to help property owners make informed decisions about the repair and replacement of old windows-when to repair, when to replace, how to protect the long-term value of your property by making wise choices, and more.
Popular Window Replacement Myths - A look at 8 popular myths about historic window replacement prepared by the National Alliance of Preservation Commissions.
Preservation Brief 9: The Repair of Historic Wooden Windows
Preservation Brief 13: The Repair and Thermal Upgrading of Historic Steel Windows