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Fungal Construction and Hemp Insulation in a Bioclimatic Living Environment

Author:
Félix Roudier
Fungal Construction and Hemp Insulation in a Bioclimatic Living Environment
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Constructed with a novel fungal system and enhanced by hemp insulation, the bioclimatic structure offers an eco-friendly living environment designed to adapt to changing climate conditions.
5 key facts about this project
01
Fungal construction system enhances structural sustainability.
02
Hemp insulation provides superior thermal performance.
03
Integrated wastewater recycling optimizes water usage.
04
Strategically placed garden improves natural ventilation.
05
Three-pile foundation minimizes ecological footprint.

The design addresses the challenges brought on by global warming, focusing on issues such as droughts, water shortages, and rising temperatures. Set up as a sustainable living environment, the building combines innovative design with practical solutions for ecological balance. A fungal construction system is used alongside low-tech bioclimatic strategies to create a contemporary response to climate-related issues.

Conceptual Framework

The building features four distinct levels, each with specific functions arranged to promote usability and comfort. The ground floor connects directly to a fresh garden, which is an important element providing both beauty and environmental benefits. This garden helps improve ventilation and cooling, taking advantage of natural processes to maintain a pleasant indoor climate.

Spatial Organization

Inside, the layout is organized with careful zoning. Day and night areas are located on different levels, allowing for privacy while also encouraging interactions when desired. The central plateau acts as a shared space, suitable for various activities. Surrounding this area, additional structures accommodate essential functions, ensuring that all living needs are met.

Bioclimatic Integration

A three-pile foundation system is utilized to reduce the environmental footprint. This foundation is essential in supporting integrated bioclimatic systems, including ducts linked to a wastewater recycling system designed for efficient water use. A well is also included, allowing for natural ventilation and cooling, using the garden's ecological benefits. To address heating needs, a fireplace connects to a wood stove, promoting the use of renewable energy sources.

Material Considerations

Materials used in the building include steel foundation piles, prefabricated timber frame walls, and hemp insulation. These choices reflect a focus on sustainability while ensuring the structure remains strong and lasts over time. The materials also contribute to the overall thermal performance of the building, supporting the environmental goals of the design.

The design features a practical attic that maximizes the vertical space, allowing for versatile use of the upper levels. This enhances the connection between living areas, creating a dynamic environment where occupants can feel engaged with their surroundings.

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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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