Track 2: Materials over Time: Points of Change

CS2.2 Material Matters

2:45 PM - 4:15 PM
Location: BNCC- 101BG
CE: 1.5

The Material Matters session takes a deep look at several materials including glass, marble cladding, and metals. They range from presentations where the focus is the materials themselves, to presentations where understanding the material matters was critical to the success of the project.

This course qualifies for HSW credit with AIA and RCEP.

Learning Objectives:


Lorraine Schnabel

Schnabel Conservation LLC

Lorraine Schnabel is the principal and owner of Schnabel Conservation LLC, a full service materials conservation consulting firm. We work with preservation project teams to diagnose whole building and individual material deterioration problems and identify workable, practical, durable solutions. After nearly thirty years in practice as both a private conservator and as a project manager at John Milner Associates and 1:1:6 Technologies, Lorraine has developed experience with most types of building materials and historic construction systems. Her principle areas of expertise are masonry and materials analysis. She has applied her skills in the preservation of a broad range of building ages and types, from small historic houses to the Baltimore Washington Monument. Currently, she is co-chair of the APT Technical Committee for Materials, and she has served on the board of the Delaware Valley chapter of APT as well. She is a Fellow of the American Institute for Conservation of Historic and Artistic works, and served in leadership roles in the Architecture Specialty Group and Conservators in Private Practice of that organization. She teaches Building Conservation to students in the College of Architecture and the Built Environment at Jefferson (formerly Philadelphia) University. Lorraine holds a BA in Geology from Pomona College and an MSc. in Historic Preservation from Columbia University.


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David West

Executive Director
International Conservation Services

A materials scientist with extensive experience in the use of stone in building, particularly as cladding, David West consults to the building industry through Materialswise. David is also a director of International Conservation Services, Australia’s largest private fine arts and heritage conservation business. He has been an active member of ASTM Committee C18 on Dimension Stone for over 30 years, and is co-convenor of the APT Australasia Chapter, as well as a past Board member of APT International. Throughout his career, David has combined hands-on testing and evaluation of a wide range of dimension stones; the detailing of new stone cladding systems; and the condition assessment, and diagnosis of deterioration, of stone installations on both modern and historic buildings. He has particular interests in the deterioration mechanisms of sandstone, the bowing of marble cladding, and the long-term behaviour of cladding systems.


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Kate Cowing, AIA

Managing Director
Materials Conservation Co., LLC

Kate Cowing has been working in the field of preservation architecture for more than two decades. She is a both registered architect and a conservator. Having designed and managed dozens of restoration projects while working in architectural offices, six years ago, Kate joined Materials Conservation Co., LLC. (MC) as the managing director. In this role, she oversees MC’s projects which include both design and implementation of conservation treatments to architecture, art and other heritage objects. Most recently, Kate was the project manager for the conservation of Philadelphia’s iconic LOVE sculpture by Robert Indiana.


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Nicole Frank

The School of the Art Institute of Chicago

Nicole Frank received an M.S. Historic Preservation degree from the School of the Art Institute of Chicago and holds a bachelor’s degree from the College of Charleston in historic preservation. Throughout her studies, Nicole has been exposed to many aspects of preservation including materials conservation and government work. Nicole looks to continue her work in the field of preservation, specializing in hands-on restoration and any way that will support her passion for research. She is interested specifically in the building materials of the mid-century, dealing with the conservation of materials made through mass production rather than through hand craftsmanship.


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John francis. Wilcox

vitreous glassworks

john francis Wilcox combines over thirty years of professional glazing experience with ongoing education in glass art, architecture and conservation. john has won various awards for his work locally, provincially and federally. john has lectured on glass for various audiences including; the American Glass Guild ,Ontario Heritage Trust, Heritage Toronto and has been the glazing instructor at Willowbank School of Restoration Arts since the school's inception. john's enthusiasm for glass has been described as infectious and enjoys sharing his knowledge from a lifetime in glass.


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CS2.2 Material Matters

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