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Charred Wooden Shingles and Biogas Systems in a Sustainable Mountain Retreat

Authors:
Rodrigo Mathias, Helena Obino, Maria Vittoria Oliveira, Fernando Paal
Charred Wooden Shingles and Biogas Systems in a Sustainable Mountain Retreat
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With its charred wooden shingles and integrated biogas systems, the retreat seamlessly combines sustainable materials and modern construction techniques to offer a reliable shelter for hikers in the Himalayas.
5 key facts about this project
01
Charred wooden shingles enhance weather resistance and offer fire protection.
02
Cross-laminated timber panels provide structural strength with reduced environmental impact.
03
The bent A-frame design optimizes snow load management in high-altitude settings.
04
Integrated biogas systems utilize organic waste for sustainable cooking energy.
05
Open courtyard layout encourages outdoor communal activities amid natural surroundings.

## Overview
The Himalayan Mountain Hut is situated in the mountainous terrain of Nepal, designed to provide a shelter for trekkers and mountaineers. This facility responds to the particular climatic challenges of high altitudes while respecting the cultural and environmental context of the region. The design integrates prefabricated modular structures that facilitate rapid assembly and site adaptability, ensuring the hut is equipped to withstand harsh weather conditions.

## Spatial Organization
The layout of the hut is strategically organized to optimize functionality and community engagement. Main circulation pathways are clearly defined, providing easy access to essential areas such as bedrooms and communal spaces. Support facilities, including a kitchen and storage areas, are positioned for efficient operation. The design features distinct living and gathering spaces that encourage social interaction while balancing the need for privacy. This approach simultaneously incorporates traditional architectural elements with modern design efficiency.

## Material Selection
Materiality plays a critical role in the hut's resilience and sustainability. Key elements include a durable metal roof covering, timber roof structure with insulation, and metal siding that enhances both protection and aesthetic appeal. Triple-glazed windows maximize natural light while ensuring thermal insulation, and electrically heated floors provide warmth in colder conditions. The selection of materials not only contributes to energy efficiency but also creates a welcoming interior atmosphere, essential for comfort in a remote environment. The project exemplifies a coherent alignment of structural integrity with sustainable practices.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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Design the next suburban home for the USA

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Early bird registration deadline 19 November 2025

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