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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

Project in-detail

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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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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