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Basalt Façade and Geothermal Design in Harmony with Volcanic Terrain

Authors:
Michelle Yiu, Viola Poon, Ryan Tung, Eugene Tse
Basalt Façade and Geothermal Design in Harmony with Volcanic Terrain
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With a basalt façade that integrates seamlessly into the volcanic landscape and a design that harnesses geothermal energy, the facility serves as a sustainable visitor hub that enhances the natural experience of Iceland's unique environment.
5 key facts about this project
01
Basalt is the primary material, reflecting the local geological landscape.
02
The design incorporates geothermal heating systems for energy efficiency.
03
Reflective surfaces are used to mirror the surrounding environment.
04
The bent A-frame design optimizes structural stability and aesthetic integration.
05
Multi-functional spaces promote community interaction and environmental engagement.

The architectural design project "The Magma Tect" is a contemporary exploration of integrating built environments with the unique geological characteristics of Iceland's volcanic landscape. This project harmonizes architecture with natural processes, utilizing local materials while promoting sustainability. The design is influenced by the concepts of lava tubes and natural formations, resulting in a structure that complements the surrounding terrain.

The primary function of "The Magma Tect" is to serve as a multi-purpose facility that includes a visitor center, communal spaces, utility areas, and amenities such as changing rooms and a café. These components facilitate interaction with the natural landscape, embodying a seamless connection between indoor and outdoor environments.

The project showcases a variety of key architectural elements. It features an Aerial Hall as the central gathering area, where users can engage in social and recreational activities. Utility areas for resource management are strategically placed and designed for efficiency. The use of geothermal heating systems exemplifies a commitment to sustainability, leveraging Iceland's natural geothermal energy resources.

Unique aspects of the design include the extensive use of basalt, a volcanic rock abundant in the region, which gives the building its contextual integrity. The arrangement of spaces takes advantage of natural light, while mirror surfaces are employed to reflect the landscape, further integrating the structure into its environment. This strategic use of high-quality materials aids in energy efficiency and enhances the overall aesthetic.

The design approach prioritizes a deep understanding of the site’s ecological conditions, resulting in a project that not only accommodates human activities but also respects and reflects its natural setting. By addressing both functional and sustainable design aspects, "The Magma Tect" stands out among architectural examples in similar contexts.

For those interested in a deeper understanding of the architectural ideas behind "The Magma Tect," exploration of the architectural plans, architectural sections, and architectural designs presented in the project documentation is encouraged. These elements provide further insights into how the design effectively integrates with its environment while meeting user needs.

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Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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