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Cantilevered Roof Structure Featuring Fiber-Cement Panels and Natural Ventilation in a Sustainable Residential Setting

Authors:
Frederic Edouard Lebois , Eduardo Alves De Oliveira
Cantilevered Roof Structure Featuring Fiber-Cement Panels and Natural Ventilation in a Sustainable Residential Setting

Project in-detail

A cantilevered roof constructed with fiber-cement panels enhances the thermal efficiency and natural ventilation of a medium-large residence, seamlessly merging modern design with sustainable living strategies.
5 key facts about this project
01
Cantilevered roof design maximizes outdoor shade while enhancing views.
02
Integration of fiber-cement panels improves thermal insulation and reduces maintenance.
03
Open-plan layout allows for versatile space usage to adapt to various needs.
04
Local craftsmanship in cabinetry reflects regional cultural heritage.
05
Strategic placement of windows facilitates natural airflow and light distribution.

### Overview
Located within the diverse landscape of Brazil, the dwelling embodies the principles of Brazilian modern architecture, integrating function and sustainability. The project is conceived by a notable architectural practice, drawing inspiration from the works of Niemeyer and Da Rocha. It emphasizes a conscious engagement with the surrounding environment, reflecting the complex interplay between natural and built contexts.

### Spatial Arrangement and Design Concept
The design emphasizes an open-plan layout that fosters versatility and interaction, particularly in the central living area, which is strategically located to connect various functional spaces. The kitchen features unique cabinetry that showcases local craftsmanship while accommodating the occupants' needs. This arrangement enhances social interaction and facilitates fluid movement between indoor and outdoor spaces, optimizing natural ventilation and light.

### Materiality and Sustainability
A diverse palette of materials has been employed to enhance durability and aesthetic appeal while ensuring environmental efficiency. Concrete serves as the foundational material, providing structural robustness, while steel is utilized for the cantilevered roof, allowing for innovative design solutions. The incorporation of fiber-cement panels and Kingspan’s Dry-Cassette System not only contributes to the building’s thermal performance but also reflects modern manufacturing techniques. Sustainability is further emphasized through the installation of solar panels and a water recycling system, addressing the need for resource efficiency in the local context.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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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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