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Beyond the Surface: Fiber Cement Cladding Performance & Lessons Learned
Thursday, November 13, 2025, 11:30 AM - 1:00 PM PST
Category: 2025 Member Meetings

In this presentation, Anita Simon of Wiss, Janney, Elstner Associates, Inc. (WJE) will provide a brief history of fiber cement cladding, give an overview of the manufacturing process, and focus on sharing lessons learning about various products, particularly panels, based on past investigations and laboratory testing. Case studies will be used to discuss conditions related to poor performance, material properties, design considerations, and installation challenges. Strategies for maintenance and repair will also be discussed.

Learning Objectives

  1. Understand basic material properties and composition of fiber cement cladding products
  2. Learn approaches for completing field assessments and investigations
  3. Learn why laboratory study can be useful in understanding material performance
  4. Learn strategies for maintenance, repair, and long-term durability

Bio

Anita Simon investigates numerous contemporary and historic structures. Through the investigation, repair design, and peer review of building enclosure systems, she has gained experience in the design, installation, and performance characteristics of a variety of building assemblies and materials. Ms. Simon’s work involves condition assessment and evaluation of assembly or material failures followed by the development of repair recommendations. Her expertise also includes field observation during the construction or repair of materials such as terra cotta, brick, stone, stucco and sealant, cleaning studies of various masonry materials, and monitoring of cleaning procedures.