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Charred Wooden Shingles and Cross-Laminated Timber Create Modular Retreats in Icelandic Landscapes

Authors:
Galen Carlson, Justin Voghel, Alison Bowers, Harry Webb
Charred Wooden Shingles and Cross-Laminated Timber Create Modular Retreats in Icelandic Landscapes
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Modular cabins constructed from charred wooden shingles and cross-laminated timber offer a sustainable retreat, seamlessly integrating into the rugged Icelandic landscape while providing essential amenities for outdoor enthusiasts.
5 key facts about this project
01
Modular units enable flexible configurations for diverse user needs.
02
Charred wooden shingles enhance durability while blending with the landscape.
03
Steel columns elevate the cabins, minimizing land impact and frost heave risk.
04
Rainwater harvesting system ensures sustainable water supply for occupants.
05
High-efficiency glass maximizes natural light and outdoor connections.

# Analytical Report on the Architectural Design of the TREXAGON Trekking Cabins

## Project Overview
The TREXAGON project entails the development of modular trekking cabins tailored for outdoor enthusiasts, particularly in regions characterized by dramatic landscapes, such as Iceland. The design emphasizes sustainability, versatility, and ease of assembly, addressing the needs of varied user groups while integrating seamlessly into the natural environment.

## Spatial Configuration and Modularity
At the core of the design is a modular approach that employs hexagonal units, allowing for flexible configurations based on specific site conditions and user requirements. Each cabin is constructed from identical hexagonal modules that connect to create various spatial arrangements, accommodating different functions, from individual cabins to larger complexes. The elevation of these structures on steel columns minimizes land disturbance and provides a unique visual integration with the surrounding terrain.

## Material Selection and Sustainability
The project incorporates a range of durable materials that enhance functionality and support environmental harmony. The exterior features blackened wood cladding, reflecting traditional Icelandic architectural practices while providing resilience against harsh weather. A robust steel frame underpins the cabins, ensuring structural integrity. Key sustainability measures include the installation of photovoltaic solar panels for electricity generation and a rainwater harvesting system that promotes resource efficiency. Additional elements such as high-efficiency glass panels enhance natural light and connectivity to the environment.

By addressing vital systems, including a composting toilet and wood-burning stove, the design promotes efficient resource use and enhances the overall user experience in rugged settings. Configurations range from minimal single-unit designs to more complex structures suited for larger groups, ensuring adaptability to diverse outdoor settings.

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Celebrating Visionary Design: The Buildner Unbuilt Award 2026

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The Buildner Unbuilt Award 2026 celebrates visionary unbuilt architectural projects that explore creativity and innovation. Open to architects, designers, and students worldwide, the competition welcomes submissions 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).

With a total prize fund of €100,000, each category winner receives €20,000, alongside student prizes of €5,000 and a €10,000 Best Presentation Award. Winners will also be featured internationally and presented with the Continuum Trophy designed by Germans Ermičs.

Registration runs from 31 October 2025 to 23 September 2026, with submissions due by 20 October 2026 and results announced on 1 December 2026. More information is available at architecturecompetitions.com 

Buildner's Unbuilt Award 2026

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2026 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 23 September 2026

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