Posted by: wadahp | June 8, 2010


by Mark Liebman

Thursday, June 17th , 2010 at 6:45pm

Mark and his son Alec are leading exponents of high tech forensic work on old buildings in the US. Mark will introduce you to the array of tools available to the preservationist:  Water Penetration test equipment, Infrared thermography, Ground Penetrating Radar, Laser Scanning – to name but a few.

Sounds pretty daunting – but these non-destructive tools allow the preservationist to understand the state of a building and make much more informed decisions about how to preserve a building. Mark has used some of these techniques on buildings in Port Townsend – City Hall and the County Courthouse.

Admission by at-will donation to our new non-profit.

Presentation at:

Port Townsend School of Woodworking and Preservation Trades
Building 315, Battery Way,
Fort Worden State Park
Port Townsend 


  1. Wow, they are going to use all the best technologies up to date. The 3D laser scanning would be very good to build up the computer model of 3D structure of the buildings. If they can combined the results from infrared thermography and ground penetrating radar, it’s going to be very cool.

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