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Events February 2020


Reglazing Modernism: Intervention Strategies for the Renewal of 20th-Century Icons

February 27, 2020

Join AIA NY Historic Buildings Committee and DOCOMOMO US/NY Tri-State for a talk by Angel Ayón and Uta Pottgiesser, PhD, co-authors of Reglazing Modernism—Intervention Strategies for 20th-Century Icons. The extensive use of exterior glazed enclosures is one of the most defining features of Modern architecture. After decades of service, many Modern buildings from the pre- and post-war periods have deteriorated and have required various types of interventions to address decay, reestablish functionality and improve appearance or performance. Reglazing Modernism —Intervention Strategies for 20th-Century Icons by Angel Ayón, Uta Pottgiesser and Nathaniel Richards (Birkhäuser, 2019) presents 20 international case studies of culturally-significant Modern buildings in the US and Europe where the original steel frame window walls, curtain walls or ribbon windows have been intervened according to different criteria and with varying outcomes. The case studies presented are organized according to three main intervention categories: Restoration, Rehabilitation and Replacement. These categories are expanded into further intervention strategies that portray a wide range of reglazing options. Each case study is presented through a combination of historical analysis, technical evaluations and compelling graphics.

Conceived as a critical assessment instead of as a catalog or technical guide, the book presents a range of approaches to intervene on Modern steel frame glazed assemblies. It evaluates each case study in terms of how the intervention helped to preserve culturally significant features and how it adhered to current understanding of building science, Modern heritage conservation and contemporary requirements for building envelope design for energy conservation and optimum environmental performance. This is the first publication to present a wide range of case studies with the purpose of delineating much-needed best- practices for culturally-significant exterior glazed enclosures. The book also presents emerging high-performance technologies that are becoming available in the construction and renovation marketplace as a response to the challenges posed by some of the reglazing case studies in the publication. Angel Ayón’s presentation will be followed by a Q&A with Kyle Normandin.

DOCOMOMO US/NY Tri-State is pleased to be a co-sponsor of this event organized by the AIA NY Historic Buildings Committee.

Angel Ayón, AIA, NCARB, LEED AP is the founder and Principal of AYON Studio Architecture Preservation, P.C. (AYON Studio) in New York City, where he provides comprehensive professional services in the fields of architecture and historic preservation. He was awarded the 2015 James Marston Fitch Mid-Career Fellowship to undertake the research presented in this book. Ayón holds both a professional degree in Architecture (1995) and a M.S. in Conservation and Rehabilitation of the Built Heritage (1998) from the Higher Polytechnic Institute José Antonio Echeverría in his native Havana, Cuba, and a Post-graduate Certificate in Conservation of Historic Buildings and Archaeological Sites (2002) from Columbia University in New York. He is also a member of DOCOMOMO US NY/Tri-State.

Uta Pottgiesser, PhD, Chair of Heritage and Technology at TU Delft in the Netherlands. Pottgiesser studied architecture at TU Berlin (Germany) and worked as a practicing architect in Berlin. She obtained her PhD in 2002 on the topic “Multi-layered Glass Constructions. Energy and Construction” from TU Dresden (Germany). From 2004-2017 she has been Professor of Building Construction and Materials at the Detmold School of Architecture and Interior Architecture, HS OWL (Germany) with a focus on building construction and 20th Century architecture. From 2006-2011, she served as Vice-President for Research, Development and Internationalisation of HS OWL. From 2012 – 2016, she was the Dean of the Detmold School of Architecture and Interior Architecture. Until December 2018, she was Professor of Interior Architecture at the Faculty of Design Sciences of the University of Antwerp (Belgium) and is spokesperson of the Henry van der Velde Research Group. Pottgiesser is vice-chair of DOCOMOMO Germany and chair of the DOCOMOMO International Specialist Committee on Technology (ISC/T).

Kyle Normandin is an Associate Principal at Wiss, Janney, Elstner Associates, in New York, NY. He serves as a Vice President of the ICOMOS ISC on Twentieth Century Heritage and is currently the Chair of the Technical Committee on Modern Heritage (TC-MH) and a member of the College of Fellows for Association for Preservation Technology International (APT). He has contributed numerous technical papers on architectural conservation of cultural heritage and serves on the Editorial Advisory Board for the Journal of Architectural Conservation for Taylor & Francis. Normandin holds a B.A. in Architecture from UC Berkeley and an M.S. in Historic Preservation from Columbia University in the City of New York. He is a DOCOMOMO US NY/Tri-State member and former board member.


Admission is free for DOCOMOMO US/NY Tri-State members.

Thursday February 27, 6:00 – 8:00pm
AIA NY Center for Architecture
Details & registration

ReglazingModernism_AIA NY Talk


Week of February 23rd

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March 4, 2020

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