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Corten Steel Walls Framing Tectonic Futures with Geothermal Engagement

Authors:
Lars Kumpfert, Laurids Trapp, Philip Schneider
Corten Steel Walls Framing Tectonic Futures with Geothermal Engagement

Project in-detail

The interplay of corten steel walls guides visitors through a tectonic landscape, immersing them in the geothermal wonders of Iceland while providing a space for relaxation and education.
5 key facts about this project
01
Corten steel walls create a visual connection to the surrounding landscape.
02
The circular pathway guides visitors through the tectonic divide.
03
Names of tectonic plates are etched into the walls for educational insight.
04
The structure is elevated on steel pile foundations to minimize site impact.
05
Energy needs are met through geothermal sources from the nearby power plant.

"Between Plates" is located at the Grjótagjá caves, where the fissure between the tectonic plates of Europe and America creates a unique geological landscape. The design focuses on enhancing the visitor experience while exploring the geothermal pools and surrounding nature. A circular pathway weaves through the site, leading to a café and waiting area that invite interaction with both the architecture and the environment.

Circular Pathway
The centerpiece of the design is a circular pathway that guides visitors through a series of engaging experiences. As they walk, they are encouraged to explore while staying connected to the stunning natural surroundings. The café, combined with the waiting area, offers a place for visitors to pause and enjoy the views, enriching their overall experience as they take in the geological features surrounding them.

Corten Steel Walls
Two large corten steel walls are key elements of the design. These walls extend from the fissure's sidewalls, creating a strong visual presence in the landscape. They not only provide structural support but also frame views, enhancing the way visitors perceive the environment. As people walk through the space between the walls, they are led to focus on the geological features beyond. The names of the tectonic plates are etched into the walls, adding an educational aspect to the visit.

Sustainability and Minimal Impact
Sustainability is an important consideration in the design. Both the observation tower and the café are raised on steel pile foundations, which help minimize their impact on the natural landscape. The use of recycled corten steel is a practical choice that aligns with environmentally friendly practices. Additionally, energy for the café is intended to come from geothermal sources provided by the nearby Krafla power plant, highlighting a commitment to sustainable energy use.


One notable design feature is the wave pattern incorporated into the base of each corten steel wall. This detail adds visual interest while also contributing to the structural integrity of the walls. Overall, the design emphasizes a connection to the geological context, encouraging visitors to appreciate the natural processes that shape this landscape.

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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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