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Perforated Steel Drape Enhances Geothermal Viewpoint Experience

Author:
Marcus Badman
Perforated Steel Drape Enhances Geothermal Viewpoint Experience

Project in-detail

The unique perforated steel drape of the observation tower creates a dynamic interplay of light and shadow while providing visitors with expansive views of the North American tectonic plate.
5 key facts about this project
01
The tower's design mimics the natural contours of the surrounding hillside.
02
A twisting stairway connects multiple observation platforms for varied viewpoints.
03
The outer layer consists of a drape of perforated steel rings, enhancing sensory experience.
04
Solar panels and a windmill generate renewable energy for the adjacent service building.
05
It offers views of the geological boundary between two tectonic plates.

The Grjótagjá Observation Tower is located in the striking landscape of Vogar farmland, Iceland. It stands at the meeting point of the North American and Eurasian tectonic plates. This structure serves as a viewing point, allowing visitors to appreciate the natural beauty around it. The nearby geothermal hot spring caves, Karlagjá and Kvennasgjá, influence its design and function. The idea behind the tower is to blend it with its environment, inspired by the contours and hills that define the area.

Architecture Concept

The design aims to create a connection between the structure and the landscape. The tower has a tall, vertical form that acts as a landmark within the land. It reflects the natural shapes found in the surroundings. This connection encourages visitors to interact with the unique geological features of the site while moving to various levels of the tower.

Materials and Structure

The tower is primarily constructed from standard steel components, which offer durability and efficiency. Inside, a twisting stairway leads visitors upward, linking different observation platforms. These platforms provide resting spots along the way, allowing visitors to take in views of the landscape. The outer sides are covered in extended steel sheets, providing clear sightlines and inviting openness between the interior space and the surrounding scenery.

Sensory Experience

An interesting feature of the design is the outer layer, which consists of steel rings that encircle the tower. This arrangement gives visitors a tactile experience, similar to the natural openings found in the nearby caves. The perforated design allows light to filter through, creating various patterns and shadows as visitors ascend. This interaction enhances the journey and connects individuals to the natural environment.

Functional Integration

Next to the tower, a service building sits on a steel tube structure and contains essential facilities such as a café, waiting area, and restrooms. This building is designed to be proportional to the tower, offering a contrasting appearance that complements the main structure. Sustainable features like solar panels and a windmill are added to the service building, reflecting a commitment to environmental practices. Visitors can also access the nearby caves, enhancing their experience in this unique location.

Inside the tower, visitors can access a central viewing platform created for expansive views of the North American plate, enriching their connection with the surrounding geography.

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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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