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Floating Structure Over Geothermal Pool With Icicles and Horizontal Integration

Authors:
Panchanok Tinnu, Takayuki Ueyama, Kazuya Nakagami
Floating Structure Over Geothermal Pool With Icicles and Horizontal Integration

Project in-detail

Floating above a geothermal pool, the structure features horizontal slabs that create icicles during winter and provide varied visual engagement while serving as a public space for viewing and relaxation.
5 key facts about this project
01
Floating above a fissure that separates two continents.
02
Integrates geothermal heating for snow management.
03
Icicles form along the roof edges in winter months.
04
Focus on horizontal slabs creating dynamic viewing areas.
05
Pathways lead directly to natural hot baths.

The design is situated at the distinctive geographical point where the continents of Europe and America meet. It is envisioned as a structure that appears to float above the fissure that separates these landmasses. The purpose of the building is to enhance the connection between people and nature. The design concept focuses on creating spaces for viewing, crossing, and resting, allowing visitors to engage with the landscape around them.

Design Concept

The building uses two horizontal slabs that contrast with the vertical fissure. This arrangement emphasizes a flat plane while drawing attention to the unique geography of the site. The horizontal layout allows for various views from within, encouraging visitors to appreciate the landscape that surrounds them. The combination of these forms enhances both the structure and the experience it provides.

Spatial Organization

The interior layout is carefully arranged to support different activities. It includes spaces such as a café, pantry, and offices, as well as separate changing rooms for men and women. Multiple staircases connect these areas, facilitating movement throughout the building. This thoughtful design ensures that visitors can flow easily from one space to another while enjoying a comfortable environment.

Water Circulation System

A notable feature of the design is the water circulation system that links the building to a geothermal pool beneath the fissure. This system allows the building to access hot water, which helps manage snow buildup during winter months. As the snow melts, water flows over the roof edges, creating icicles. This not only serves a functional purpose but also adds a visual element that appeals to those inside, making them more aware of their connection to the environment.

Site Integration

The design takes into account the natural features and terrain of the site. Key elements include a parking area, pathways leading to hot baths, and viewing platforms that encourage exploration. These features enhance the overall experience and allow visitors to fully engage with the unique landscape. The position of the building ensures that it complements its surroundings, creating a harmonious relationship between architecture and nature.

The water flowing from the roof and the icicles that form as a result create a dynamic visual experience, drawing attention to the relationship between the building and its natural environment.

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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

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