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Volcanic Ash Concrete and Green Roof Transform Community Space in Iceland’s Geological Landscape

Author:
Jose Lopez
Volcanic Ash Concrete and Green Roof Transform Community Space in Iceland’s Geological Landscape
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Constructed using volcanic ash concrete and a green roof, this community space in Iceland integrates with its geological context to provide an educational coffee shop and exhibition area inviting engagement with the unique volcanic landscape.
5 key facts about this project
01
Constructed with volcanic ash concrete, enhancing durability and sustainability.
02
Features a green roof that promotes biodiversity and energy efficiency.
03
Designed with large glass facades for unobstructed crater views.
04
Incorporates interactive exhibition elements focused on local geology.
05
Utilizes geothermal energy for heating and climate control.

Maars Kaffihús is an architectural project designed as a coffee shop and exhibition space nestled within the unique geological landscape of Iceland's maar formations. The building integrates seamlessly with its environment, serving both functional and aesthetic purposes while fostering a connection between visitors and the surrounding volcanic features.

The project represents a commitment to sustainability and community engagement. It operates as a social hub, providing areas for relaxation and education about the local landscape. The architectural approach emphasizes durability, energy efficiency, and a careful integration of natural elements. The design focuses on creating spaces that encourage visitor interaction with both the facility and the stunning outdoor scenery.

Space Considerations and Core Functionality

The layout of Maars Kaffihús ensures a cohesive flow through various user spaces, including the coffee shop, exhibition areas, and outdoor sculpture garden. The coffee shop itself features large glass facades that enhance natural lighting and provide panoramic views of the crater landscape. The interior is designed to offer comfort while utilizing local materials for a warm atmosphere.

The exhibition space, designed as an internal linear ramp gallery, serves as an informative area showcasing volcanic features and local ecology. This educational component is critical, allowing visitors to engage more deeply with the environment. Adjacent to the main building is a sculpture garden that offers a curated experience of art related to volcanic geography, blending cultural expression with natural education.

Unique Design Approaches

One distinguishing aspect of this project is its use of volcanic ash mix cast-in-place concrete, a material that aligns with the site's geological characteristics. This choice of material not only supports sustainable practices but also contributes to the building’s resilience against the harsh climate. The incorporation of a green roof further enhances the design’s ecological stance by promoting biodiversity and energy efficiency.

The design emphasizes permeability and interaction, with pathways that guide visitors through the property and connect the different zones effectively. The project utilizes geothermal energy, reflecting a commitment to low-impact, energy-efficient architecture consistent with Icelandic practices. This integration not only minimizes the building's carbon footprint but also showcases a responsible use of local resources.

Overall, Maars Kaffihús stands out as a model of contextual architecture that respects and celebrates its surroundings. The careful selection of materials, thoughtful spatial arrangements, and innovative energy strategies work in tandem to create a cohesive and functional design.

To explore the architectural plans, architectural sections, and detailed architectural designs, please review the project presentation for a more in-depth look at the unique architectural ideas behind Maars Kaffihús.

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Vancouver Tall Challenge: Building Higher Downtown

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Competition organisers

The Vancouver Tall Challenge: Building Higher Downtown is an international architecture competition organized by Buildner in collaboration with the City of Vancouver and the University of British Columbia’s School of Architecture and Landscape Architecture (SALA). The competition invites architects, designers, planners, and creative thinkers to explore innovative approaches to tall buildings in Vancouver’s downtown core, focusing on sustainability, livability, urban density, public space, and the city’s strong connection to nature. As Vancouver continues to grow, participants are challenged to rethink how vertical development can enhance urban life and contribute to a more vibrant, inclusive, and resilient city identity.

The competition offers a total prize fund of $15,000 CAD, with winning proposals selected by an international jury of architects, planners, academics, and city-building professionals. Key dates include the final registration deadline on October 29, 2026, submission deadline on November 30, 2026, and winners announcement on January 26, 2027. Full competition details, requirements, and registration information are available at architecturecompetitions.com/VancouverTallChallenge

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Design the future of Vancouver’s skyline

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Final registration deadline 29 October 2026

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