Advancing Preservation Technology



Welcome to APT International

APT’s mission is to advance appropriate traditional and new technologies to care for, protect, and promote the longevity of the built environment and to cultivate the exchange of knowledge throughout the international community.


Be part of an interdisciplinary, global community of practitioners dedicated to protecting historic structures and their settings.

Travel Funding Opportunities for APT Annual Conference

June 9, 2026
APT is pleased to offer two funding opportunities to support attendance at the 2026 Annual Conference in Indianapolis.

APT Annual Conference Early Bird Registration Now Open

May 13, 2026
Early Bird Registration Now Open for APT 2026 Indianapolis

APT Board of Directors Call for Nominations

May 12, 2026
The APT Nominating Committee is seeking nominations for openings on the APT Board of Directors and officer positions. APT seeks a diversity of backgrounds and life experiences within the Board to enhance its ability to fulfill its mission.

Call For Abstracts: APT Bulletin Special Issue on Building Trades

April 23, 2026
The Association for Preservation Technology International (APT) invites submissions for a special issue of the APT Bulletin on the building construction and craft trades. Abstracts due July 16, 2026.

Newest issue of the APT Bulletin Now Available

By Rebecca Harris • April 9, 2026
This special issue focuses on decarbonizing the built environment through heritage. It features four thought-provoking articles, Practice Point 30 (Quantifying Embodied Carbon in Preservation), book reviews, a feature on the Building Technology Heritage Library, and a tribute in memory of Frank G. Matero.

News and Opportunities

Upcoming Events

Events

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Inside APT

Board and Staff

APT is managed by its Board of Directors and its staff. Service on the APT Board of Directors provides opportunities to network with the leaders in the profession and develop lifelong professional and personal relationships.

Committees

APT has 21 committees that manage its functions and execute APT's strategic plan. These standing, strategic, and advisory committees, which include Board members and other APT members, meet at the annual conference and semi-annual board meetings, and communicate regularly in between.

Chapters

Chapters are essential to APT's mission of advancing technology in conserving the built environment. They promote research, training, and information related to technology and preservation. Additionally, chapters offer local communities opportunities to connect with other professionals through social gatherings, tours, and seminars on regional topics.

Resources

APT offers a wide range of technical resources, research tools, publications, and educational programming.

Explore Our Resources.

Resources

  • Building Technology Heritage Library

    The Building Technology Heritage Library (BTHL) is primarily a collection of architectural trade catalogs, house plan books, and technical building guides. Trade catalogs are an important primary source to document past design and construction practices. These materials can aid in the preservation and conservation of older structures as well as other research goals. The BTHL is hosted by the Internet Archive as a free public access site for documents in the public domain.

  • APT Publications

    APT regularly publishes the APT Bulletin, Practice Points, and Communique. APT also has a long history of publishing books and other special publications.

  • Job Board

    APT maintains a job board to match open positions with people looking for these opportunities. 

  • Career Advancement

    APT offers many ways to build your career in historic preservation.