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Volcanic Ash and ETFE Enclosure Creating a Sustainable Greenhouse and Culinary Experience

Authors:
Nour Khwies, Alexander Hey
Volcanic Ash and ETFE Enclosure Creating a Sustainable Greenhouse and Culinary Experience

Project in-detail

Utilizing ETFE and volcanic ash, the design integrates a greenhouse and restaurant that fosters sustainability and enhances the culinary experience through direct engagement with agriculture.
5 key facts about this project
01
ETFE membrane provides thermal insulation while maximizing natural light in the facility.
02
Volcanic ash blocks are used not only for aesthetic reasons but also for their insulating properties.
03
The bent A-frame design allows for enhanced wind resistance, crucial in the local climate.
04
Rainwater collection systems are integrated to support greenhouse irrigation and reduce water usage.
05
The layout promotes visibility and interaction between the dining area and greenhouse cultivation zones.

The project "DEW on Volcanic Rocks" is a contemporary greenhouse and restaurant situated in the volcanic Krafla region of Iceland. The design emphasizes sustainability, a connection to the surrounding environment, and the theme of hydration as represented by dew. It serves multiple functions, including agricultural production and culinary experiences, while engaging visitors in the dynamics of nature and food sourcing.

The architectural form is developed to harmonize with the natural landscape, employing a layout that maximizes light and views while facilitating the flow of air. The building is divided into distinct areas: a greenhouse dedicated to cultivating diverse plants, a restaurant that provides diners with the experience of enjoying freshly sourced ingredients, and a multi-purpose hall designed for community engagement. This arrangement encourages interaction between patrons and the agricultural practices of the site.

Unique Design Approaches

The design adopts an innovative approach to sustainability by integrating natural processes in its structure. The use of ETFE as a transparent covering not only enhances daylighting but also contributes to energy efficiency. The aerodynamic roof shape effectively manages wind loads, essential in a region known for its harsh climate.

Incorporating local materials, such as volcanic ash for insulation, connects the project to its geographical context, providing both practical benefits and a sense of place. The building's layout allows for maximum exposure to sunlight, essential for greenhouse functionality, while strategically placed openings facilitate natural ventilation. Additionally, the use of rainwater collection systems showcases the commitment to resource efficiency, enabling irrigation of the greenhouse and reducing reliance on external water sources.

Community-Oriented Features

Accessibility and interaction are fundamental to the design, encouraging exploration of both the greenhouse and restaurant areas. The multi-level structure provides various vantage points for users, fostering an immersive experience of the natural surroundings. Clear sightlines from the dining area to the greenhouse enhance the relationship between food preparation and cultivation, promoting an understanding of the farm-to-table concept.

The architectural outcome reflects an integrated ecosystem that balances built form with natural elements, serving as a model for future architectural designs in similar environments. Visitors interested in exploring this project further should review architectural plans, sections, and designs to gain a deeper understanding of the innovative approaches and functional outcomes of the "DEW on Volcanic Rocks."

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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