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Green Roofs and Cork Insulation in a Community Center Design

Author:
Robert Hannweber
Green Roofs and Cork Insulation in a Community Center Design

Project in-detail

The use of wood cladding and an extensive green roof creates a connection to the landscape, while integrated rainwater management enhances sustainability in a community center designed for social engagement.
5 key facts about this project
01
Wood cladding is designed to weather over time, enhancing its aesthetic distinctiveness.
02
The roof incorporates extensive planting to improve thermal performance and support local biodiversity.
03
Rainwater harvested through the planting design is stored for reuse, promoting sustainability.
04
Ventilation flaps allow passive cooling by circulating fresh air at night.
05
Cork insulation is utilized as a locally sourced material for improved energy efficiency.

The "heart of spirala" is located in Portugal and serves as a community center designed to blend with its natural surroundings while meeting the needs of local residents. The vision is to minimize environmental impact through thoughtful architecture that encourages social interaction. The design integrates outdoor spaces and functionality, creating an inviting atmosphere for various community activities.

Materials and Aesthetic

An important aspect of the design is the exterior wood cladding. This material is chosen not only for its visual appeal but also for its ability to change over time. As it weathers, it develops a unique character that reflects the surrounding environment. This approach highlights a strong connection between the building and its setting, enhancing the overall experience for visitors. The choice of locally sourced materials supports sustainability and creates a sense of belonging within the community.



Roof Integration

The roof features an extensive planting strategy, allowing it to connect with the landscape around it. This green roof serves multiple purposes. It improves the building's thermal performance while promoting local plant life. The planted areas contribute to biodiversity and create a natural buffer that enhances the environment. This thoughtful integration helps the community center feel like a part of the landscape rather than an imposition upon it.



Community-Centric Spaces

The layout of the community center focuses on outdoor areas, especially the terrace. This space is designed for various activities, providing a shaded area that encourages social gatherings. Whether for events or casual meetups, the terrace promotes interaction among users. The arrangement of spaces reflects the goal of fostering a sense of community and belonging, making it accessible and inviting for all.



Sustainable Technologies

Sustainability is a core principle in the design. The building includes systems for rainwater harvesting, capturing water to be stored and reused. Potential installation of photovoltaic panels on the roof supports energy efficiency, allowing for solar energy capture. Ventilation flaps in the outer walls enhance cooling by letting fresh air in at night. This design keeps the indoor spaces comfortable and reduces energy consumption.

The insulation material used is cork, which is locally sourced and known for its thermal properties. This choice emphasizes environmental responsibility while ensuring comfort for occupants. Overall, the "heart of spirala" reflects a commitment to creating a meaningful space that is responsive to both community and environment.

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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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