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Building Envelope Inspection and Rehabilitation Engineering

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    115021

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    Book cover page image including title and authors.About this book – This book entitled: Building Envelope Management: Methods of Damage assessment, Inspection, Repair and Rehabilitation covers topics related to inspection, condition assessment, repair, and rehabilitation of building exteriors - collectively referred to as the building envelope.

    The term building envelope describes the physical barrier that separates the interior environment of a building from the external climate. While often colloquially associated with the façade, the building envelope encompasses a wider array of systems and components, including roofs, windows, doors, curtain walls, cladding assemblies, and in some cases, foundation elements. Throughout this book, the terms façade and building envelope may be used interchangeably for practical purposes; however, it is important to acknowledge that the building envelope refers to a more comprehensive set of assemblies beyond the visible exterior skin of a structure.

    Building envelopes serve critical multi-functional roles in modern construction. Beyond defining the architectural identity and aesthetic character of a building, the envelope must also perform essential protective and environmental control functions. These include the regulation of heat, air, and moisture transfer, providing thermal comfort, sound insulation, weather resistance, and supporting energy efficiency and indoor air quality. Structurally, the envelope must exhibit durability, resilience, and resistance to environmental degradation, reducing the risk of failure that could endanger building occupants, passersby, or adjacent properties.

    Given their importance to life safety and building performance, major urban jurisdictions have implemented legal requirements mandating periodic inspection and reporting of building envelopes, particularly for mid- and high-rise structures. These regulations are designed to ensure early identification of deterioration or structural failures that could pose a public hazard. Consequently, professionals working in the field must possess a deep understanding of the design intent, performance requirements, failure modes, and appropriate maintenance and repair practices associated with various envelope systems.

    Building envelope engineering management refers to the full range of professional activities involved in ensuring the ongoing integrity, safety, and performance of the building envelope. This includes routine and special inspections; condition assessments and forensic evaluations; development of repair and rehabilitation programs; and implementation of remedial measures in accordance with governing codes, standards, and jurisdictional regulations.

    Book Structure and Chapter Overview – The contents of this book are organized into ten chapters and two appendices, each addressing a critical aspect of building envelope engineering and management.

    Chapter 1 offers a general overview of building envelope systems, their functions, the roles and responsibilities of engineers and architects in envelope management, and a glossary of commonly used terminologies in the field.

    Chapter 2 focuses on masonry veneer wall systems, including their performance characteristics, typical distress conditions, and failure mechanisms.

    Chapter 3 covers concrete façades, reinforced masonry walls, and load-bearing wall systems, with emphasis on structural behavior and deterioration.

    Chapter 4 addresses façade systems composed of terra-cotta and stone blocks, stucco, and Exterior Insulation and Finish Systems (EIFS), discussing both historical and contemporary applications.

    Chapter 5 discusses the administrative and procedural aspects of building envelope inspections, including project planning, report preparation, and compliance with municipal regulations.

    Chapter 6 provides an overview of parapet walls and roof systems, including considerations related to green roofs, and roofing membrane assemblies.

    Chapter 7 examines ancillary structural components critical to envelope performance, such as shelf angles, lintels, girt beams, and support systems.

    Chapter 8 introduces nondestructive evaluation (NDE) and monitoring technologies commonly employed in building envelope diagnostics.

    Chapter 9 explores the integration of economic analysis and reserve studies into the decision-making process for envelope repair and maintenance planning.

    Chapter 10 presents an emerging frontier in the field - exploring the use of Virtual Reality (VR) and Augmented Reality (AR) technologies to enhance envelope inspection, visualization, and documentation.

    Appendix A includes detailed numerical illustrations and calculations relevant to building envelope assessments.

    Appendix B provides a curated list of open-access resources, technical references, and supplemental reading materials to support further learning.

    This page titled Building Envelope Inspection and Rehabilitation Engineering is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Jamshid Mohammadi, Edoarda Corradi Dell’ Acqua, Bora Jang & Soliman Khudeira.