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Basalt Cladding and Engineered Wood Form a Green Lung for Community Engagement

Authors:
Misak Terzibasiyan, Georgios Koliotsas, Shadi Hashemian, Amir Feizinezhadgheshlaghi
Basalt Cladding and Engineered Wood Form a Green Lung for Community Engagement

Project in-detail

With a central greenhouse acting as the 'green lung' and walls clad in basalt, the design integrates community space and waste management functions, emphasizing sustainability in a location defined by striking natural beauty.
5 key facts about this project
01
The building includes five entrances to the greenhouse for enhanced accessibility.
02
A stepped planter within the greenhouse serves dual purposes for agriculture and gatherings.
03
Basalt cladding integrates the structure visually with its rugged surroundings.
04
Engineered wood construction allows for low emissions and recyclability.
05
The design features a central greenhouse that improves indoor air quality.

Greenhouse 9 is located near Lake Myvatn in Iceland and serves as a community house that incorporates a greenhouse along with waste management facilities. The design emphasizes sustainability and aims for a low environmental impact while fostering community engagement. The concept builds on the relationship between the building and its natural setting, creating a structure that fits well with the surrounding landscape.

Site Integration

The building is carefully positioned between a natural slope and an existing waste collection area. This location enhances its visual connection to the landscape and ensures easy access for users. A key feature of the design is the central volume, which is intentionally removed to create an open area for the greenhouse. This space acts as the 'green lung' of the building, contributing to better air quality and linking various interior spaces.

Circulation and Accessibility

Circulation within Greenhouse 9 is thoughtfully organized around the central greenhouse. This layout allows for smooth movement between different functional areas. There are multiple entry points, including one main entrance for the primary building, one for the waste management section, and five access points to the greenhouse. This arrangement makes it easy for users to navigate the building while enjoying a sense of openness.

Materiality and Environmental Considerations

Materials are crucial to achieving sustainability goals. The structure uses engineered wood, which is known for its low emissions and ability to be recycled. Basalt is chosen for the exterior cladding, tying the building visually to the surrounding environment, while turf is used on the roof to enhance ecological integration. Rockwool provides insulation, promoting energy efficiency and supporting the building's environmental objectives.

Spatial Flexibility

Greenhouse 9 includes flexible communal spaces that adapt to different needs. Sustainably sourced wood panels are incorporated into the design, allowing areas to be opened up or closed off as required. This adaptability encourages interaction among community members while accommodating various functions throughout the building.

In the greenhouse, a stepped planter serves both agricultural functions and as a gathering space, creating a connection between the structure and its natural environment. The design invites users to engage with their surroundings, promoting a sense of community and environmental awareness.

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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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