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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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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

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    Experimental competitions with the focus on pushing the boundaries of creativity
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