Publication: Salt-based materials in Interior Architecture
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Type
Thesis
Degree
MA
Date
2025
Authors
Journal Title
Journal ISSN
Volume Title
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Published Version
Abstract
This thesis examines the viability of using salt-based materials as sustainable and innovative components in Interior Architecture, particularly in arid and semi-arid regions. Salt, a resource with deep cultural historical roots that is frequently neglected in modern design, is scrutinized as a material that can tackle both environmental and architectural challenges. The main research question is: How do salt-based materials contribute to the development of sustainable interior design in dry regions?
The study investigates the versatility and significance of salt using a mixed-method approach that combines historical research, cultural analysis, and material experimentation. Karshif, a traditional salt-rich mud composite from Egypt's Siwa Oasis known for its thermal regulation, humidity control, and circular material lifecycle, is being assessed in this thesis. The topic shows how vernacular knowledge provides practical solutions for today’s sustainability challenges by evaluating its properties and performance, both historically and through contemporary scientific studies.
Simultaneously, the study looks at modern uses such as salt-based furniture, 3D-printed salt buildings, and salt-crystal panels. These case studies highlight salt's aesthetic and practical properties as well as its drawbacks, such as its limited structural strength and sensitivity to moisture. The investigation of its design possibilities is further supported by experimental efforts, such as the production of salt-crystal tiles.
By integrating ancient methods with modern creativity, the Siwa Oasis design project demonstrates how salt-based materials may be used into practical building concepts. The results demonstrate how salt can improve interior spaces through sensory, cultural and even therapeutic aspects in addition to decreasing its negative effects on the environment.
This research positions salt as both an ancient and forward-looking material, offering a compelling alternative to conventional resources. It contributes to broader debates on sustainable architecture by demonstrating how local materials and cultural heritage can inform innovative, low-impact design strategies.