Museum of Art, Philadelphia, PA. Credit: Min LeePhiladelphia, PA. Credit: Brian SiewiorekNassau Hall, Princeeton, NJ. Credit: Srevatsan MuralidharanVan Buren Street Bridge, Wilmington, DE. Credit: Lou Angelli Digital Imaging


The Association for Preservation Technology International is a multi-disciplinary, international organization that promotes best practices, whether by modern methods or the historic ones, for conserving historic structures and their settings. Members are located in 28 countries, and there are 12 chapters in North America and Australia.

The Delaware Valley Chapter covers the state of Pennsylvania and Southern New Jersey. The goal of the Delaware Valley Chapter is to encourage better quality restoration and preservation by promoting good communication between the various individuals involved in these fields. We endeavor to accomplish this is by inviting speakers to give presentations or tours that will increase each member's knowledge and understanding of proper usage of types of products and processes in the construction industry.


The Delaware Valley Chapter of APT International (APT-DVC) encourages all professionals, craftsmen, advocates, and students in the field of historic preservation, architectural conservation, and restoration to join our Chapter... Membership


APT-DVC hosts an annual meeting of the membership and a variety of workshops and symposia throughout the year... Events