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Magma Stones and Steel Structure Shaping Sustainable Exhibition Space

Authors:
Moneef Alhajjaj, Mustafa Ahmad, Nour Abdel Hafez
Magma Stones and Steel Structure Shaping Sustainable Exhibition Space
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Constructed with magma stones and a steel structure, the design creates a sustainable exhibition space that integrates seamlessly with the geothermal landscape of Hverfjall Volcano and Mývatn Lake.
5 key facts about this project
01
Magma stones are used prominently in the building’s facade.
02
The design captures and reuses rainwater through a dual collection system.
03
A geothermal power system eliminates reliance on fossil fuels.
04
The central axis can function as an exhibition area, encouraging public engagement.
05
Skylights enhance natural light while maintaining energy efficiency.

The design integrates naturally with its environment, located between Hverfjall Volcano and Mývatn Lake. This particular setting shapes its overall concept, creating a strong connection between these notable features of the landscape. The building is organized along an axis that links the distinct areas, providing spaces that serve both private activities and public engagement. It functions not only as a structure but also as a bridge between nature and human experience.

Geothermal Power Integration

A key feature of the design is its geothermal power system, which supports sustainability efforts. This technology harnesses the earth's heat without depending on fossil fuels. Essential components include production and injection wells, a turbine, generator, and heat exchanger. The method of reusing hot water or steam emphasizes a commitment to renewable energy.

Spatial Organization

Thoughtful spatial organization enhances the building's usability. Upon entering, visitors encounter a central axis that can host exhibitions and serve as a gathering point. Surrounding this are important spaces, including a lobby, administrative offices, exhibition areas, and restrooms. This layout promotes ease of movement and access, making it straightforward for people to navigate.

Structural Components and Materials

The design includes various structural elements that contribute to its integrity. Skylights provide natural light throughout the interior. Magma stones and a steel structure are used to blend aesthetics with functionality. The base wall and floors add to the overall strength, ensuring that the building can withstand environmental challenges.

Rainwater Management System

An innovative aspect of the design is the dual rainwater collection system. Rain falling on the roof is funneled into storage tanks for reuse. Additionally, water running off windows and walls is captured, further enhancing sustainability efforts. This system shows a practical approach to resource management and demonstrates an awareness of the surrounding environment.

The building's details reflect a careful consideration of the unique landscape, illustrating a harmonious relationship between architecture and nature. Features showcase the local geology while facilitating human activities, combining natural elements with functional design.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

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