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Charred Wooden Shingles and Volcanic Ash Concrete Form a Sustainable Community Hub in Iceland

Authors:
Ana Belčič, Klara Prošek
Charred Wooden Shingles and Volcanic Ash Concrete Form a Sustainable Community Hub in Iceland

Project in-detail

Crafted from charred wooden shingles and volcanic ash concrete, this community hub in Iceland seamlessly integrates sustainable materials with traditional Nordic architectural elements, creating an inviting space for gathering and cultural activities.
5 key facts about this project
01
Utilizes volcanic ash concrete for enhanced thermal performance and weather resilience.
02
Incorporates charred wooden shingles for improved durability and fire resistance.
03
Features an elongated design that promotes social interaction and communal activities.
04
Employs a bent A-frame structure to naturally redirect rainwater and withstand strong winds.
05
Offers panoramic views of the surrounding landscape with strategic placement of large windows.
The Granhalle project is an architectural design situated near Lake Mývatn in Iceland, embodying a thoughtful dialogue between contemporary architectural practices and traditional cultural heritage. This project represents a multifunctional space intended for communal use, recreational activities, and cultural events, while also creating a sense of belonging among its users. The design reflects the essence of Nordic vernacular architecture, specifically drawing inspiration from the traditional Viking longhouse, which informs both the shape and function of the building.

The building's elongated form enhances the communal aspect of its use, allowing for flexible spaces that can accommodate various activities. This design encourages social interaction, as distinct areas within the facility are tailored for gathering and collaboration. One of the essential components of the Granhalle is its ability to blend indoor and outdoor environments seamlessly. The extensive use of glazing throughout the structure provides natural light while offering expansive views of the surrounding volcanic landscape, fostering a strong connection to the natural environment.

Material selection is a critical aspect of the Granhalle project, emphasizing sustainability and local craftsmanship. The primary materials include volcanic ash concrete, cross-laminated timber, triple pane glass, and wooden shingles. Volcanic ash concrete not only offers durability but also thermal mass, allowing the building to stay warm during Iceland's colder months. Cross-laminated timber is utilized prominently within the structural framework, contributing to the aesthetic warmth of the interiors and ensuring lightweight resilience. The triple pane glass enhances energy efficiency while providing uninterrupted views of the scenic landscape, and wooden shingles used for the roofing connect the building aesthetically to traditional forms.

Unique design approaches are evident in various architectural elements of the Granhalle. The split roof is a notable characteristic, allowing ample natural light to penetrate the interior while simultaneously creating a striking silhouette that mirrors the surrounding mountainous terrain. This innovative roof design contributes to the building's ecological performance by enhancing passive heating and cooling characteristics. A clever sunken house principle has also been incorporated into the design. By partially submerging the building, the architects help regulate internal temperatures, leveraging the ground's natural insulation properties.

The inner hearth serves as a focal point of the communal space, designed to foster gathering, warmth, and interaction among visitors. This feature not only reinforces the project's communal intent but also aligns with the cultural practices that value collective experience. The incorporation of sleeping quarters within the design caters to visitors, providing a comfortable and private escape that still emphasizes the connection with nature. Skylights overhead allow occupants to enjoy views of the night sky, reinforcing the bond with the natural environment.

The Granhalle project stands as a significant exploration of how architecture can reflect both cultural identity and environmental context. Its multifaceted design engages users while respecting the ecological and cultural nuances of the location. Potential users and observers are encouraged to delve into the architectural plans, architectural sections, and architectural designs that culminate in this project’s unique expression. Exploring the detailed architectural ideas presented can provide deeper insights into how the Granhalle reconciles modern needs with a profound respect for tradition and the natural world. For more details on this project, readers are invited to investigate further and discover the thoughtful design principles that define The Granhalle.
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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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