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Obsidian Facades and Trombe Walls Elevate Sustainable Community Spaces

Author:
Rebekah Curry
Obsidian Facades and Trombe Walls Elevate Sustainable Community Spaces

Project in-detail

Incorporating recycled stone wool obsidian and passive trombe walls, the design creates an environmentally responsive community space that enhances social interaction while seamlessly integrating with its natural surroundings.
5 key facts about this project
01
The structure incorporates recycled stone wool obsidian, enhancing insulation and sustainability.
02
Trombe walls are utilized for passive solar heating, reducing reliance on mechanical systems.
03
An innovative bent A-frame design optimizes both functionality and aesthetic appeal.
04
Extensive glass facades provide panoramic views while maintaining energy efficiency through double-layer glazing.
05
The integration of local landscaping reflects the surrounding topography, forging a connection with the natural environment.
The architectural design project under analysis presents a thoughtful exploration of contemporary architecture, emphasizing sustainability and integration with the surrounding environment. Situated in a region marked by rugged topography, this project symbolizes the harmonious relationship between built structures and natural landscapes. It serves multiple functions, acting not only as a space for community interaction but also as a beacon of architectural innovation.

At its core, the design prioritizes transparency and connection to nature, using expansive glass facades that offer unobstructed views while allowing ample natural light to penetrate the interior spaces. This careful consideration of light and perspective fosters an immersive experience for occupants and visitors. The building is organized into two primary volumes—a slender vertical tower and a wider horizontal section—creating a dynamic interplay of forms that guides the eye across the site. This architectural composition is not merely aesthetic; it reflects a practical approach to environmental factors such as wind patterns and sun orientation, optimizing conditions for both comfort and energy efficiency.

The entry sequence is designed to welcome visitors through a series of landscaped walkways, connecting the main parking area to the building's entrance. Upon entering, one experiences a sense of openness, facilitated by an open floor plan that encourages movement and interaction among various functional spaces, such as the lobby, office areas, and communal amenities. The layout promotes accessibility and invites engagement, aligning with the project's aim of fostering community interaction.

A key aspect of the project is its materiality, which reinforces both its aesthetic appeal and its sustainability goals. The use of recycled stone wool obsidian utile serves as an innovative insulating material, providing excellent thermal performance while also resembling the natural stone formations found in the area. Aluminum accents, particularly in the building's "wings," contribute to the structure’s lightweight appearance, providing durability and resistance to the elements. Incorporating double-layer glazing not only enhances thermal efficiency but also minimizes energy consumption, aligning with the principles of sustainable design.

The project's unique design elements extend to its passive solar strategies, including trombe walls that harness the sun’s energy to naturally heat interior spaces. This integration of passive design techniques allows for reduced reliance on mechanical systems, promoting a more environmentally responsible building operation.

In addition to its eco-friendly features, the project deliberately fosters social interaction. Spaces such as a café and a viewing deck are strategically placed to encourage community gatherings and offer stunning vistas of the landscape. This engagement with the environment is an important aspect of the design, underscoring the project's commitment to enhancing community life while maintaining ecological integrity.

The architectural expression of the project is noteworthy for its commitment to integrating concepts of modernism with the contextual nuances of the surrounding area. Rather than imposing upon the landscape, the design appears to emerge from it, echoing nearby geological formations and creating a visual continuity between structure and site. The thoughtful organization of spaces and careful selection of materials reflects a dedicated approach to addressing both functional needs and aesthetic considerations.

For those interested in exploring this architectural design in greater depth, reviewing the architectural plans, sections, and various design iterations will provide a comprehensive understanding of the project’s innovative approaches and overall vision. The interplay of light, space, and materiality invites a closer look at how this architectural endeavor exemplifies a commitment to sustainable and meaningful design that respects the intricacies of its environment.
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MICROHOME
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100,000 € Prize Fund / Kingpsan Edition #10
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Architecture for Children’s Development #3
Buildner's Unbuilt Award 2025
Buildner's Unbuilt Award 2025
100,000€ Prize / 2025

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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