SUMMARY
Mr. Mark Liebman has provided forensic investigation and restoration consulting services for historic and contemporary structures for the past 22 years. His expertise includes knowledge of state-of-practice, non-destructive investigation techniques, such as ground penetrating radar, ultrasonics, infrared, vibration monitoring / analysis, and drill resistance for wood and stone. His formal training is in physics and material science, with field experience complimented by an extensive background in the laboratory.

Mark has worked with architects, engineers, owners, and owner representatives on diverse structures nationally and internationally. Recent projects include a condition assessment for reconstruction of the Ord-Weitzel and Sheridan gates at Arlington National Cemetery, preservation investigation / specification preparation at the Washington State Capitol building, and analyzing masonry degradation issues at MIT. Mr. Liebman’s expertise includes stone and brick masonry construction means, methods and materials and structural and architectural metal components and sculptures. He is the author of the Department of Defense Unified Facilities Guide Specification Restoration & Cleaning of Masonry in Historic Structures.