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Tectonic Reflection in Glulam and Larch Above the Grjótagjá Fissure

Authors:
Dinu Hoinarescu, Maciej Adaszewski, Paul Nica
Tectonic Reflection in Glulam and Larch Above the Grjótagjá Fissure
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Rising above the tectonic fissure, a tower of Glulam and Siberian larch invites visitors to engage with the geological landscape while providing a unique viewpoint and multifunctional gathering space.
5 key facts about this project
01
Rises above a tectonic fissure, directly engaging with geological formations.
02
Constructed using Glulam and Siberian larch for enhanced durability and aesthetic harmony.
03
Features a multi-level observation tower specifically designed for panoramic landscape views.
04
Integrates geothermal energy for heating, promoting sustainability in a harsh environment.
05
Utilizes cross-laminated timber in the interior, optimizing natural light and warmth.

The project at Grjótagjá is located at the meeting point of the Eurasian and North American tectonic plates in Iceland. It aims to serve as a visitor center and an observation point, helping people connect with both the dramatic landscape and local folklore about trolls. The design reflects the geological forces at work in the area, transforming these natural elements into a journey for visitors to explore.

Conceptual Framework

The main idea behind the design is based on the geological tension created by the shifting tectonic plates. This concept influences how the space is arranged and how visitors experience it. The tower, which stands above the Grjótagjá cave, acts as a visual landmark that ties together the landscape and troll mythology. By merging these elements, the architecture encourages visitors to engage more deeply with the surrounding environment and its stories.

Spatial Configuration

Several essential features enhance the experience for visitors, including a waiting area, café, and observation platforms. These spaces are thoughtfully positioned to offer broad views of the Icelandic landscape, allowing for quiet moments of contemplation. The observation tower has multiple levels, culminating in a viewing platform that extends over the fissure between the tectonic plates. This vantage point enables visitors to fully appreciate the geological beauty of the area.

Material Selection

Materials play an important role in the design, contributing to both function and appearance. The use of Glulam beams and columns for the framework of the visitor area and café ensures strength while maintaining a welcoming look. Cladding in Siberian larch and volcanic stone gives the building an appearance that fits well with its natural surroundings. Inside, cross-laminated timber (CLT) provides a bright finish that reflects Nordic light positively.

Environmental Considerations

The design includes a focus on sustainability, incorporating geothermal energy for heating and using underground springs to supply water. By keeping these environmental factors in mind, the architecture not only performs well but also reinforces a connection to the local ecosystem. These design choices help ensure that the building can withstand Iceland’s difficult weather while fitting into the broader landscape.

The observation tower, with its carefully arranged levels and viewing spots, encourages visitors to seek out the stunning vistas. It also invites individuals to reflect on the geological process that created this remarkable location, deepening their appreciation for both the land and its rich history.

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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.

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