What We Do

NCPTT helps preservationists find better tools, better materials, and better approaches to conserving buildings, landscapes, sites, and collections. The National Center conducts research and testing in its own laboratories, provides cutting edge training around the U.S., and supports research and training projects at universities and nonprofits.

News & Events

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Featured Resources

Old Wood Windows: History’s Eyewitness is a graphic story explaining how conserving wood windows is a good practice for window longevity and sustainability.

Stopping the Hands of Time includes best practices for preserving stone grave markers in historic cemeteries.

Iron Fence Repair Video shows step-by-step how to repair historic iron fencing. Recorded in English and Spanish.


See educational resources by the National Center for Preservation Technology and Training content team

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