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Curved Shell Structure Featuring Glass Fiber Reinforced Concrete and Eco-Friendly Lichens in Icelandic Habitat

Authors:
Mathieu Chapus, Alessandro Boldrini, Pierre-Alexis Galland
Curved Shell Structure Featuring Glass Fiber Reinforced Concrete and Eco-Friendly Lichens in Icelandic Habitat

Project in-detail

A shell structure composed of glass fiber reinforced concrete and enriched with living Icelandic lichens offers a sustainable habitat that seamlessly integrates with its harsh environment while providing essential communal living spaces.
5 key facts about this project
01
Aerodynamic curved form minimizes wind resistance in harsh climatic conditions.
02
Integration of living Icelandic lichens enhances thermal performance and ecological connection.
03
Construction employs glass fiber reinforced concrete for durability and insulation.
04
Modular design allows for efficient assembly and disassembly in various locations.
05
Strategically placed ventilation chimney promotes natural airflow throughout the interior.
The architectural design project presents a spherical structure located in Iceland, integrating seamlessly with the surrounding landscape. This design emphasizes sustainability and resilience to the harsh climatic conditions typical of the region. With its aerodynamic form, the building minimizes wind resistance while maximizing thermal efficiency, exemplifying a thoughtful response to environmental challenges.

The structure serves multiple functions, including a living area, vestibule, and dormitory, creating a sense of community through spatial organization. The internal layout allows for fluid movement between spaces, fostering interaction among occupants. Large windows throughout the design enhance natural light while providing unobstructed views of the picturesque Icelandic landscape, further connecting the interior with the exterior.

Unique Design Approaches

The project's distinctive features set it apart from traditional architectural designs. The use of laminated timber for structural framing provides strength without excessive weight, aligning with sustainable construction practices. Additionally, the choice of glass fiber reinforced concrete for the exterior shell offers durability and thermal insulation, essential for maintaining a comfortable indoor environment.

Living materials, specifically Icelandic lichens, are integrated into the façade, contributing to local biodiversity while enhancing the aesthetic appeal. This approach not only establishes an ecological relationship between the building and its environment but also promotes an adaptive design that responds to seasonal changes. The aerodynamic shape is engineered to withstand winds of up to 220 km/h, reinforcing the project’s practical considerations for occupant safety.

Functional Aspects and Materiality

The design incorporates various materials that enhance the structure's performance and longevity. Natural finishes such as linen and cork composites improve insulation inside the building, while a rubberized flooring system provides durability and safety. An insulation layer of 30 mm thickness features prominently throughout, crucial for energy efficiency and thermal comfort.

The building layout facilitates optimal ventilation through an active ventilation chimney and strategically placed openings that promote air circulation. This feature is critical in maintaining a healthy indoor atmosphere, particularly in the cold and damp Icelandic climate.

For readers interested in a more detailed exploration of the project, the presentation includes architectural plans, sections, and designs that illustrate the innovative ideas underpinning this unique architectural endeavor. Review these elements to gain a comprehensive understanding of the project’s implications for architectural practice and sustainable design.
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100,000€ Prize / 2025

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

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

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
Early bird registration deadline 22 May 2025
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