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A Double-Skin Cubic Structure Featuring Translucent Polycarbonate and Local Timber

A Double-Skin Cubic Structure Featuring Translucent Polycarbonate and Local Timber
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Incorporating a double-skin facade of translucent polycarbonate and locally sourced timber, the structure harmonizes with the volcanic landscape while providing essential facilities for winter recreation.
5 key facts about this project
01
Double-skin facade enhances thermal performance and energy efficiency.
02
Ground level includes entry hall and equipment storage.
03
Upper level features a viewing platform for landscape engagement.
04
Locally sourced timber and polycarbonate ensure durability and privacy.
05
Geothermal energy systems leverage local resources for heating.

The Ice-Cube Cabin, situated in Iceland's Krafla Crater, is designed to provide essential recreational and functional facilities for visitors within a landscape defined by volcanic and glacial features. The project prioritizes sustainable design principles to minimize environmental impact and respect the local cultural heritage, offering a contemporary architectural solution attuned to its unique context.

Spatial Strategy and Functionality

The cabin's design incorporates a double-skin facade, utilizing translucent polycarbonate and locally sourced timber, to enhance thermal performance and echo the geological strata of the surrounding environment. This design strategy ensures a comfortable interior climate during severe winter conditions while maximizing energy efficiency.

The cabin is spatially organized into two levels to optimize functionality. The ground level comprises an entry hall, information center, changing facilities, equipment storage, and rest areas. The upper level features a viewing platform and supplementary rest amenities, enhancing visitor engagement with the exterior environment.

Materiality and Sustainability

In alignment with environmental strategies, the cabin emphasizes the use of sustainable materials, including locally sourced timber, to ensure durability and minimize ecological footprint. Translucent polycarbonate panels are employed to maximize natural light penetration while preserving privacy, thereby reducing energy consumption. Geothermal energy systems are integrated to provide efficient heating and hot water, capitalizing on the region's natural geothermal resources. This integrated approach, combining local materials and advanced technologies, represents a considered architectural response to the region's unique and dynamic climate.

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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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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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