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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

Project in-detail

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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Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

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
Early bird registration deadline 22 May 2025
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