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Perforated Steel Structures Embracing Hot Springs in Volcanic Landscape

Authors:
Joaquin Soffia Vega, Jorge Ignacio Hernandez
Perforated Steel Structures Embracing Hot Springs in Volcanic Landscape
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Set in a volcanic landscape, perforated steel structures create an integrated series of pathways and thermal baths that enhance the experience of the region's natural hot springs while prioritizing user privacy.
5 key facts about this project
01
The design incorporates a central tower that serves as a navigational landmark in a rugged landscape.
02
Two distinct caves provide varied levels of privacy for thermal bath users.
03
A continuous pathway minimizes environmental impact while enhancing user engagement with the terrain.
04
Symmetrical pavilion arrangement fosters visual balance and functional accessibility.
05
Material selection includes perforated steel to blend with the volcanic environment and ensure durability.

The BREAKTOWER project at Grjótagjá, Iceland, is situated in a landscape shaped by the meeting of the North American and Eurasian tectonic plates. This environment features eroded landforms and volcanic activity, which play a significant role in shaping the design concept. The goal is to create a space that allows visitors to experience the local hot springs while being mindful of the ecological sensitivity of the area.

Design Intent
The design reflects an understanding of the unique geological features of the site. A central tower stands tall, located at the highest point on the American plate. This tower serves as a landmark, helping visitors navigate the landscape. Around the tower, two caves are designed to provide different levels of privacy for visitors. This arrangement aims to balance public engagement with private moments, ensuring both areas function effectively and complement each other.

Pathway Integration
A continuous pathway runs through the landscape, guiding visitors from one area to another. The pathway design is intended to reduce erosion, which can occur with heavy foot traffic. As visitors walk along the path, they interact closely with the natural features of the site. This connection creates an engaging experience that deepens the appreciation of the surrounding geological formations.

Symmetrical Composition
A sense of symmetry is evident in the arrangement of the pavilions. This symmetry creates a balanced appearance as visitors approach the fissure. The entrances are designed to align visually, creating an inviting entrance to the complex. Each pavilion serves a specific purpose, one for the caves and the other for thermal bath services. This careful planning contributes to the overall functionality of the site.

Material Considerations
The materials chosen for the structure are suitable for the local environment. Steel beams and aged perforated steel plates are used in the construction, providing strength and durability. These materials blend with the rugged landscape while enhancing the overall design. They are selected not only for their structural qualities but also for how they resonate with the natural setting.

The pathway culminates in a secluded hot spring, providing a moment of quiet and privacy amid the dramatic Icelandic landscape. This thoughtful detail allows visitors to experience a tranquil connection with nature.

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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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