Materials Technical Committee

The Technical Committee for Materials, co-chaired by Paul Gaudette, Chris Gembinski and Lorraine Schnabel, serves as a clearinghouse for information both on materials and architectural assemblies of historic building construction, and the materials for building repair. The purpose of the committee is to gather information on the following:

  • the fundamental physical and chemical properties of building and repair materials
  • how physical and chemical properties relate to material performance, and the mechanisms of loss of performance
  • historical information on material manufacturing and assembly
  • sources of historic materials.

The committee will also explore methods proposed for the following:

  • testing historic materials performance properties
  • testing materials to be used for repair
  • treatment of building assemblies and architectural materials
  • preservation and replication using substitute materials
  • meeting national and international treatment standards.

Our primary goal is developing a dynamic method for sharing material information among preservation professionals. We also envision APT workshops, conference sessions, and cooperative efforts with the American Institute for Conservation of Historic and Artistic Works' Architecture Specialty Group (AIC-ASG) as mechanisms for focusing on particular areas of interest.

Contact the Technical Committee for Materials at [email protected].

Paul Gaudette, Technical Committee for Materials Co-Chair

Chris Gembinski, Technical Committee for Materials Co-Chair

Lorraine Schnabel, Technical Committee for Materials Co-Chair

TC-M Information Brochure


Links and Resources:
AIC Find-a-Conservator Page

Practice Points Archive (APT)

Building Technology Heritage Library

Conservation & Art Materials Encyclopedia Online (CAMEO)

Preservation Briefs (National Park Service)

Upcoming Events:
Annual Meeting 2020 - Track 2: Materials Conservation for the Future: Tradition, Sustainability and Innovation

Past Meetings and Workshops:
Annual Meeting 2019 - Track 2: Sustainability and Conservation of Built Heritage in the Americas

Workshop: Understanding the Role of Material Testing in the Preservation Design Process, 2019 (Miami, FL)

Annual Meeting 2018 - Track 2: Materials over Time - Points of Change 

Materials Committee Annual Meeting Minutes:
Annual Meeting 2019 (Miami, FL)
Annual Meeting 2018 (Buffalo, NY)
Annual Meeting 2017 (Ottawa, ON)