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Natural Sand Composite Structures Enhanced by Wind Towers for Sustainable Community Living

Natural Sand Composite Structures Enhanced by Wind Towers for Sustainable Community Living
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Utilizing natural sand composite materials and traditional wind towers, this residential design promotes energy efficiency and community cohesion while reflecting the cultural context of its Dubai setting.
5 key facts about this project
01
Utilizes Stax, a composite made from local desert sand for enhanced thermal performance.
02
Incorporates traditional Bajel wind towers for efficient passive cooling and ventilation.
03
Features modular design elements allowing flexibility for future adaptations.
04
Dedicated communal spaces designed for cultural gatherings, respecting social structures.
05
Integrates photovoltaic cells for renewable energy generation, minimizing environmental impact.

## Overview

Located in Dubai, the Kandura Homes project was developed for the Dubai House of the Future International Design Competition 2023. The design integrates traditional Emirati cultural elements with contemporary sustainable practices, aiming to address urban housing demands while preserving cultural identity. Named after the traditional Emirati cloak, the project serves as a response to the evolving architectural landscape in the region.

## Design Philosophy and Spatial Strategy

The Kandura Homes emphasize a balance between heritage and innovation, featuring passive cooling techniques central to the design. A reinterpretation of the *Bajel*, a traditional Persian wind tower, functions as a natural ventilation system, optimizing the homes' thermal mass through strategic shading and outdoor space placement. The layout adopts a sinuous form influenced by traditional Yemeni architecture, promoting both privacy for residents and the fostering of communal living through shared spaces.

Modular design allows for growth and adaptability, facilitating adjustments according to the needs of its inhabitants. The floor plans exhibit distinct zoning for communal, social, private, and intimate areas, with flexible features such as optional privacy screens that accommodate various familial structures and preferences.

## Material Considerations and Sustainability

The selection of materials plays a crucial role in the design's functionality and sustainability. Key materials include **Stax**, composite building blocks utilizing desert sand for enhanced thermal performance; steel and membrane components for adaptable interior spaces; and traditional mud and natural fibers that enhance cooling while maintaining cultural connections. These materials support structural integrity and energy efficiency, reflecting a comprehensive approach to sustainable architecture.

The project also features advanced passive cooling strategies, such as wind towers and shaded walkways, significantly reducing reliance on mechanical cooling systems. Additionally, the incorporation of photovoltaic cells into the rooftops emphasizes a commitment to renewable energy, aligning with the overarching sustainability goals of the design.

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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.

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

100,000€ Prize / 2025 ideas COMPETITION
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