Hattie Hartman, an American architect and sustainability editor, joins Dr. Rabia Sheref, a circular built environment expert, and Chris Lord, a Monocle journalist. They explore how building materials impact the economics and resilience of architecture. The conversation highlights the importance of sustainable practices, including the shift to earth materials and timber innovations. They also discuss exciting developments from a major trade fair in Munich, showcasing the vibrant future of construction and reusing materials to create a circular economy.
Sustainably sourced building materials are crucial for enhancing both the environmental impact and lifecycle considerations of construction projects.
Using earth in construction promotes a circular economy by minimizing waste and conserving scarce virgin resources like sand and gravel.
Deep dives
The Shift Towards Sustainable Materials
Designers are increasingly recognizing the importance of sustainably sourced building materials, moving beyond traditional selections based solely on aesthetics. The focus is shifting from operational carbon to embodied carbon, which considers the environmental impact of construction materials themselves throughout their lifecycle. For example, Hattie Hartman's new reference book, 'Materials, an Environmental Primer', emphasizes the necessity for architects and designers to understand the full spectrum of material choices, from sourcing to supply chain implications. This comprehensive approach encourages a more responsible selection process that not only enhances sustainability but also addresses pressing urban challenges.
Earth as a Construction Material
The potential of using earth, or soil, in construction is gaining traction as part of a circular economy approach, leveraging this abundant, often overlooked material. Techniques like adobe and rammed earth have been utilized for thousands of years, demonstrating soil's durability and effectiveness in creating sustainable structures. Dr. Rabia Sheref highlights that reusing excavated soil not only minimizes waste but also conserves virgin resources like sand and gravel, which are in short supply. Moreover, earth's reusability supports a closed-loop system in construction, enabling it to be repurposed indefinitely without environmental damage.
Innovations in Construction Materials at BAU
The BAU trade fair showcases exciting advancements in construction materials, drawing attention to the versatility of aluminum, timber, and innovative surface treatments. Businesses are exploring ways to repurpose materials like aluminum, which can be recycled and reused effectively in various applications, such as elevators that emphasize tactile interactions. Timber is also highlighted for its potential in prefabricated structures, with Estonia emerging as a leader in the export of wooden houses, offering rapid and sustainable housing solutions. Additionally, groundbreaking treatments for tiles are revolutionizing safety standards in construction, proving that material innovation continues to advance towards more sustainable practices.
How can the materials with which we choose to build affect the economics, sustainability and resilience of our built environment? We explore the material world through a recent title about available resources, an explainer on using soil for structures and a visit to the world’s leading trade fair for architecture, materials and systems.