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Screw Foundations and Aluminum Facade in Self-Sufficient Compact Living

Author:
Michaela Rüßmann
Screw Foundations and Aluminum Facade in Self-Sufficient Compact Living
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Utilizing screw foundations and an aluminum facade, the design achieves a compact, self-sufficient living environment that effectively captures solar energy and manages water resources.
5 key facts about this project
01
Utilizes screw foundations for enhanced air circulation and ground permeability.
02
Incorporates a dual-purpose facade that serves as both insulation and exterior cladding.
03
Employs a photovoltaic system angled for optimal solar energy capture regardless of orientation.
04
Features a rainwater management system that separates collection and usage for improved efficiency.
05
Integrates a serving function shaft housing solar storage and water filtration for centralized utility access.

The design emphasizes self-sufficient living within a small footprint. It is located in a context that values sustainability and environmental responsibility. The structure integrates renewable energy and efficient water management systems, providing a practical solution for modern housing needs aimed at reducing ecological impact.

Solar Energy Integration

The roof includes a photovoltaic system angled at less than 10 degrees. This setup allows the building to capture solar energy effectively, no matter its orientation. The design also promotes air movement, which aids in energy production. By incorporating renewable energy sources in such a straightforward way, the architecture supports eco-friendly living.

Water Management Strategies

The water management system seeks to make the most of rainwater. It captures this resource and allows it to be filtered and used for different purposes, including heating and repurposing as wastewater. By separating the water systems during collection, the design enhances overall efficiency. This approach highlights a commitment to responsible resource use.

Structural Considerations

The structure is raised on screw foundations that keep the floor plate elevated above the ground. This allows air to circulate freely and prevents the sealing of the surface beneath. By doing so, the design promotes better interaction with the environment. The use of space within the support framework is optimized, creating usable areas without expanding the overall size of the building.

Facade and Thermal Performance

The facade is both a protective outer layer and an insulation component. It is designed to maximize thermal efficiency and reduce energy loss. Included materials such as aluminum slating and clay construction boards are chosen for their beneficial properties. By maintaining low thermal transmittance, the design fits well within energy-saving goals.

Additionally, a serving function shaft incorporates solar storage and water filtration. This part of the structure serves as a central location for utilities, simplifying their use. With careful attention to design details, the building promotes a practical and sustainable living experience.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete 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). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

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

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

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