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Dynamic Etfe Membrane Roof with Steel Framework in Sustainable Cabin Design

Dynamic Etfe Membrane Roof with Steel Framework in Sustainable Cabin Design
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A dynamic ETFE membrane roof, supported by a flexible steel framework, adapts to seasonal snowfall while providing a sustainable retreat for outdoor enthusiasts in Iceland's rugged landscape.
5 key facts about this project
01
Dynamic roof adjusts to seasonal snowfall, enhancing structural efficiency.
02
Hybrid ETFE membrane allows for increased light and thermal performance.
03
Flexible steel framework accommodates changes in weather conditions.
04
Interior spaces utilize local wood to create a warm atmosphere.
05
Minimal ground impact preserves the natural landscape around the cabin.

### Project Overview
Located in the Myvatn region of Iceland, the Snow Melt Cabin is designed to serve as a retreat for hikers and skiers while responding to the challenges posed by the surrounding natural environment. The intent behind the design is to create a connection between the built structure and its dynamic landscape, incorporating features that adapt to seasonal variations.

### Architectural Strategy
The design integrates four distinct building types into a cohesive form, prioritizing both practicality and aesthetic coherence. The upwardly expanding roof shape minimizes the cabin's footprint, preserving a greater expanse of the natural landscape. This approach emphasizes sustainability, with each component—both external and internal—carefully orchestrated to enhance the user experience in relation to the environment.

### Material Applications
A selection of materials was chosen for their functional and ecological qualities.
- **Steel Spring Frame**: This component provides structural flexibility, enabling the roof to respond effectively to varying snow loads and weather conditions.
- **ETFE Membrane**: Lightweight and durable, this material facilitates air circulation and snow melt while contributing positively to thermal performance.
- **High-Performance Glazing**: Designed to optimize natural light and views, this glazing fosters a strong connection between indoor spaces and the surrounding landscape.
- **Wood Elements**: Likely sourced from pine or similar species, wood is used in wall systems and furniture, adding warmth and comfort.
- **Concrete**: Utilized in the foundation, concrete ensures durability and structural integrity in harsh climatic conditions.

### Innovative Snow Melting Mechanism
A notable feature of the cabin is its adaptive snow melting mechanism, designed to optimize energy efficiency. The roof structure adjusts seasonally—extending in summer to enhance airflow and compressing in winter to allow for controlled snow accumulation. As snow gathers, the system’s form modifies, enabling gradual melting and minimizing the heating requirements for the cabin, ultimately resulting in reduced energy consumption.

### Design Features and User Experience
The internal layout includes essential amenities such as changing rooms, showers, and warming areas, reflecting a thoughtful distribution to enhance user flow and functionality. Despite its compact dimensions, the cabin creates a spacious and inviting atmosphere, balancing comfort with the exterior's starkness. The geometric roofline not only fulfills practical needs but also contributes to the building's overall aesthetic, promoting minimal disruption to the existing ecosystem while accommodating visitors’ requirements.

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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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