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Earthbag Structure With Bamboo Finishes and Bio-Digester Emphasizing Sustainable Living

Author:
Alex O'brien
Earthbag Structure With Bamboo Finishes and Bio-Digester Emphasizing Sustainable Living

Project in-detail

Constructed with earthbags and finished with bamboo elements, this residence incorporates a bio-digester for waste management, exemplifying a commitment to sustainable living in a compact design.
5 key facts about this project
01
Constructed primarily with earthbags, allowing for excellent thermal regulation and low environmental impact.
02
Incorporates a bio-digester system, transforming waste into compost and energy for household use.
03
Features bamboo finishes, emphasizing the use of renewable materials throughout the interior.
04
Designed with a compact footprint of 24.28 m², maximizing space efficiency for sustainable living.
05
Utilizes glass-glass photovoltaic panels to harness solar energy, promoting self-sufficiency.
The Micro-dome-ship project in West Cork, Republic of Ireland, represents a pioneering approach to sustainable architecture. It is designed as an Earthship, focusing on self-sufficiency and minimal environmental impact while accommodating the essential needs of its inhabitants. The overall design is compact, with an internal footprint of 24.28 m², structured to maximize available space efficiently.

The project serves as a residential unit tailored for a couple, integrating essential living spaces such as a kitchen, bathroom, and a living area, complemented by a mezzanine bedroom. This spatial configuration promotes an efficient use of vertical space, enhancing the perception of openness within the confines of the structure.

Innovative Materials and Sustainability Features

One of the most distinctive aspects of the Micro-dome-ship is its commitment to sustainability through the use of natural and recycled materials, constituting 87% of the total construction. Key materials include earthbag (Super Adobe) walls that provide thermal mass, and lime render that enhances durability and breathability. Bamboo is utilized for both structural and aesthetic elements, underscoring the use of renewable resources. The integration of glass-glass photovoltaic panels fosters energy independence and utilizes the site's solar resources effectively. Additionally, copper cladding is incorporated for rainwater harvesting, aligning with the project's focus on sustainable water management.

Critical functional elements include a bio-digester and a composting toilet that convert organic waste into usable compost and methane. This dual focus on waste reduction and energy generation highlights the project's unique approach to responsible resource management. The heating mechanism employs a rocket stove barrel combined with a thermal mass bench, promoting efficient warmth through passive solar heating strategies.

Architectural Design and User Experience

The design of the Micro-dome-ship emphasizes a close relationship with the surrounding natural landscape. The project accounts for seasonal variations in sunlight and climate, with careful attention to building orientation and window placement. These design choices optimize natural light, reduce reliance on artificial heating and cooling, and promote overall comfort within the dwelling.

Landscaping supports ecological functions, with a green cell terrace designed to address grey water management. Such features not only enhance sustainability but also foster a greater awareness of the inhabitants' ecological impact. The overall layout and technological integration position the Micro-dome-ship as a model for future resilient living spaces.

For a detailed exploration of the architectural plans and sections, as well as deeper insights into the unique design features and innovative architectural ideas, readers are encouraged to investigate further into the project presentation. This analysis will provide a comprehensive understanding of the Micro-dome-ship and its place within contemporary sustainable architecture.
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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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