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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
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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.

### Overview and Context
This project, located in Iceland, features a spherical structure designed to integrate with the surrounding landscape while addressing the region’s unique climatic challenges. The design emphasizes sustainability, utilizing innovative material choices and structural forms to create a resilient habitat. Its primary intent is to foster a sense of refuge and connection to the natural environment, reflecting a commitment to ecological consciousness.

### Spatial Configuration
The interior layout is organized to promote social interaction and community living, incorporating essential spaces such as a living room, vestibule, and dormitory. The arrangement facilitates fluid movement among these areas, with expansive windows providing abundant natural light and unobstructed views of the Icelandic scenery. This modular design not only minimizes heat loss but also creates a sense of spaciousness within a compact form.

### Material Selection
The project employs a diverse range of materials that contribute to its sustainability and performance:

- **Laminated Timber** is utilized for the structural framing, offering a lightweight yet strong support system.
- **Glass Fiber Reinforced Concrete** serves as the exterior shell, providing durability and effective thermal insulation.
- **Linen and Cork Composite** are used for interior finishes, enhancing insulation while incorporating natural elements.
- **Icelandic Lichens** feature prominently on the façade, assisting with thermal regulation and promoting ecological integration.
- **Zinc Cladding** on the roof ensures durability and weather resistance.
- **Rubber** is applied for flooring and seals, contributing to comfort and resilience.
- An **insulation layer** of 30 mm is critical for maintaining stable indoor temperatures.

The design incorporates features such as an active ventilation chimney that enhances air quality and embraces natural airflow, ensuring internal comfort during harsh winters. Additionally, the use of self-sustaining materials highlights the project's low maintenance requirements, aligning with its sustainability goals.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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