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Inverted Roof Structure Crafted in Corten Steel and Cedar Wood for Ecological Observation

Authors:
Reinaldo Correa, Hannah Hogan, Cyle King, Ahmed Mohamed
Inverted Roof Structure Crafted in Corten Steel and Cedar Wood for Ecological Observation
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An inverted roof structure composed of Corten steel and cedar wood integrates seamlessly into its surroundings, offering a focused vantage point for observing the dynamic ecosystem of Pape Nature Park.
5 key facts about this project
01
Inverted roof design enhances water management while symbolizing avian flight.
02
Corten steel allows for natural weathering, integrating the observatory into the landscape.
03
The restricted entryway promotes a focused experience for each visitor.
04
Multi-directional views enable comprehensive observation of diverse habitats.
05
Structural elements utilize locally sourced materials, emphasizing sustainability.

### Project Overview

The "Free Bird" Observatory, designed by Brivs Putns, is situated in Pape Nature Park adjacent to Pape Lake. The design integrates a minimalist architectural approach, reflecting themes of spatial compression, expansion, and migration that resonate with the behavior of local bird populations. The intent is to create a structure that fosters a deeper connection between visitors and the surrounding environment.

### Spatial Dynamics

The observatory's design guides visitors through a deliberate progression, starting with a narrow entryway that opens into a spacious observation area. The approach features a seventy-meter pathway, encouraging engagement with the landscape during the journey to the observatory. Each façade—North, South, East, and West—offers distinct views of the park, specifically tuned to enhance the experience of observing migrating birds and the rich diversity of Pape Lake’s ecosystem. The one-meter-wide entrance further accentuates the transition from a confined space to an expansive vista, enhancing the visitor experience with a dynamic interplay of intimacy and openness.

### Materiality and Sustainability

Materials selected for the observatory emphasize sustainability and integration within the park's ecosystem. Corten steel, used for its durability and aesthetic qualities, develops a weathered patina that harmonizes with natural surroundings. Cedar wood, renowned for its lightweight and sustainable characteristics, contributes to both the structural integrity and sensory experience of the building. Cement is employed strategically to provide foundational stability suited for the marshy environment, ensuring long-term durability. These material choices exemplify the observatory’s commitment to blending functionality with ecological sensitivity, reflecting an overall dedication to minimizing impact while enhancing the visitor experience.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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