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

A poster announcing APT's next conference in Seattle, October 9th - 14th, 2023
Click here to see the APT23's Seattle Promo Reel.

The Benefits of Membership

The Association for Preservation Technology is the premier cross-disciplinary organization dedicated to promoting the best technology for conserving historic structures and their settings. Founded in 1968 as a joint venture among Canadian and United States preservationists, APT now has members in more than 30 countries.

As an APT member you will have the benefit of the following plus more:


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BTHL 10th Anniversary Publication Cover

Please check out the latest issue of Practice Points!

In this Practice Point, Thomas E. Boothby reviews the failure modes that may occur in an  arch in a building and the empirical, analytical, and graphical methods for determining the susceptibility of the arch to these types of failure.


View the Publication