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Rammed Earth Walls and Straw Insulation Create a Sustainable Retreat in the Mountains

Authors:
Joel JH Lee, Wenray Wang
Rammed Earth Walls and Straw Insulation Create a Sustainable Retreat in the Mountains

Project in-detail

Constructed with rammed earth walls and utilizing straw insulation, the retreat integrates traditional materials to provide a sustainable shelter for trekkers in a challenging mountainous environment.
5 key facts about this project
01
Built from locally sourced rammed earth, enhancing thermal regulation.
02
Features a lightweight straw-insulated roof for improved energy efficiency.
03
Incorporates a central fireplace in the communal area for warmth and gathering.
04
Utilizes cross-laminated timber panels for structural strength and rapid assembly.
05
Strategically designed skylights provide natural light and ventilation throughout.
The Himalayan Hut is an architectural project designed as a retreat for trekkers and nature enthusiasts in a challenging mountainous environment. Conceptually grounded in the simplicity of traditional shelters, the Hut aims to provide functionality and comfort while integrating seamlessly with the surrounding landscape. This structure serves as both a communal gathering space and private refuge, emphasizing sustainability and environmental harmony.

The architecture of the Himalayan Hut employs a thoughtful combination of materials and techniques. The primary structure is built using timber, offering renewable qualities and structural resilience. The walls are constructed from rammed earth, optimizing thermal mass to maintain stable indoor temperatures across varying weather conditions. A lightweight straw-insulated roof enhances energy efficiency, allowing for minimal resource use while providing significant insulation against cold temperatures.

The design exemplifies several unique approaches that distinguish it from conventional alpine projects. Firstly, the integration of local materials is paramount in minimizing environmental impact. The use of rammed earth for walls and timber for the framework ensures that the materials are sourced sustainably while providing excellent durability and thermal performance.

Moreover, the layout of the Hut is strategically planned to facilitate both privacy and social interaction. The design includes a central gathering area focused around a core fireplace, promoting communal experiences. Individual sleeping quarters are arranged to allow for personal space after shared activities. Skylights and chimney openings are incorporated for natural ventilation, creating an environment that relies less on artificial temperature regulation.

In addition, the architectural design prioritizes passive solar gain and effective natural ventilation, further enhancing comfort without significant energy expenditure. The entryway is strategically positioned to shield occupants from harsh winds and optimize thermal regulation.

Overall, the Himalayan Hut represents a thoughtful synthesis of traditional design principles and modern architectural practices aimed at sustainability and user-centered functionality. For a more in-depth understanding of the architectural plans, architectural sections, and overall architectural designs reflected in this project, readers are encouraged to explore the project presentation for greater insights into its innovative concepts and structural details.
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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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