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Elevated Living Enveloped in Etfe and Steel Panels

Authors:
Ching-hsing Chan, Yifan Shen
Elevated Living Enveloped in Etfe and Steel Panels
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Constructed with a light steel frame and ETFE panels, this elevated microhome adapts seamlessly to seasonal changes, providing a sustainable holiday retreat for a family of three.
5 key facts about this project
01
The outer layer can slide on ground railways for adaptable configuration.
02
The structure integrates solar panels for energy efficiency.
03
Elevated design minimizes risks from flooding and pests.
04
The semi-outdoor space enhances the connection to nature.
05
ETFE panels provide insulation while maintaining transparency.

The Cocoon is a flexible microhome located in Upstate New York, designed as a holiday retreat for a family of three. Its key concept revolves around adaptability, allowing the home to respond effectively to seasonal changes. The design emphasizes a dual-layer enclosure that enhances the connection between indoor and outdoor spaces while prioritizing functionality.

Adaptive Design

The exterior of the Cocoon features a light steel frame structure complemented by ETFE panels. This design allows the house to change its layout through a sliding mechanism, adapting to various weather conditions. By enabling adjustments to the home’s shape, this approach enhances its usability throughout the year. The fluid nature of the exterior fosters a strong connection to the natural surroundings.

Sustainable Core

At the center of the Cocoon is a wooden cabin that serves as the main living space. This inner core includes sustainable features such as solar panels and a rainwater collection system, focusing on energy efficiency and environmentally friendly practices. The materials selected for this space prioritize durability and sustainability, contributing to the overall efficiency of the home.

Seasonal Adaptability

The architecture of the Cocoon responds well to changes in the seasons. In the summer, the outer shell can open to allow fresh air and sunlight to enter, creating a semi-outdoor space that enhances overall comfort. In winter, the structure closes to form a greenhouse effect, which boosts insulation and keeps the interior warm in cold temperatures.

Elevated Living Space

The design includes an elevated living area, achieved through a cable-stayed structure that lifts the cabin off the ground. This thoughtful element reduces the risks associated with flooding and helps protect against pests and snow. Elevating the cabin ensures that the microhome remains practical and comfortable, even in difficult weather conditions.

Each of these components comes together to create a well-rounded living space that invites nature inside while providing a versatile shelter. The careful balance of function and design makes the Cocoon a noteworthy example of contemporary residential architecture.

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Vancouver Tall Challenge: Building Higher Downtown

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Competition organisers

The Vancouver Tall Challenge: Building Higher Downtown is an international architecture competition organized by Buildner in collaboration with the City of Vancouver and the University of British Columbia’s School of Architecture and Landscape Architecture (SALA). The competition invites architects, designers, planners, and creative thinkers to explore innovative approaches to tall buildings in Vancouver’s downtown core, focusing on sustainability, livability, urban density, public space, and the city’s strong connection to nature. As Vancouver continues to grow, participants are challenged to rethink how vertical development can enhance urban life and contribute to a more vibrant, inclusive, and resilient city identity.

The competition offers a total prize fund of $15,000 CAD, with winning proposals selected by an international jury of architects, planners, academics, and city-building professionals. Key dates include the final registration deadline on October 29, 2026, submission deadline on November 30, 2026, and winners announcement on January 26, 2027. Full competition details, requirements, and registration information are available at architecturecompetitions.com/VancouverTallChallenge

Vancouver Tall Challenge

Design the future of Vancouver’s skyline

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Final registration deadline 29 October 2026

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