Walt Rossiter, research chemist and consultant in the roofing industry, passed away Nov. 10. He was 82.
Rossiter earned a bachelor’s degree in chemistry from Boston College in 1964 and a doctorate in organic chemistry from the University of California, Santa Barbara, in 1968.
Rossiter spent more than 35 years as a research chemist at the National Institute of Standards and Technology, where he worked with distinction until his retirement in 2006. His expertise centered on the performance of roofing materials and systems, building materials, thermal insulations, and the in-situ analysis of lead in paint and dust.
Rossiter also spearheaded NRCA’s technical conferences and symposia from 1977 to 2011.
After retiring, Rossiter established a consulting business and worked with the Roofing Consultants Institute (now IIBEC) until 2024. During his career, he authored technical papers, chaired and contributed to ASTM International subcommittees, and served as a respected leader in the field. Rossiter was a member of the RCI staff and foundation, the International Council for Research and Innovation in Building and Construction, and the International Union of Laboratories and Experts in Construction Materials, Systems and Structures. He also served as past chair of the joint CIB/RILEM Committee on Roofing Materials and Systems.
Rossiter is survived by his wife, Marie Rossiter; children Paul Rossiter (Jenny) and Anne Rossiter; and grandchildren Nick, Ben and Ella. He also is survived by his siblings, Robert Rossiter and Elaine Keeley, and was predeceased by his brother Paul Rossiter.
In lieu of flowers, the family requests donations be made to any of the following: Boston College High School, Children’s National Hospital Foundation E11ASTRONG, Dana Faber Cancer Institute or RCI-IIBEC Foundation Scholarship.
