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Corten Steel Facade and Rainwater Harvesting In a Compact Residential Structure

Authors:
Ji Sun, Emily Kaing, Lilit Houlder
Corten Steel Facade and Rainwater Harvesting In a Compact Residential Structure

Project in-detail

A Corten steel façade envelops a thoughtfully designed residential space that efficiently captures and reuses rainwater, seamlessly blending modern sustainability with functional living.
5 key facts about this project
01
The façade is made of weathered Corten steel, providing durability while blending with the natural environment.
02
An advanced rainwater harvesting system purifies and reuses water throughout the residence.
03
Cross-laminated timber panels highlight sustainable building practices while offering structural integrity.
04
The unique bent A-frame design enhances both aesthetic appeal and interior space utilization.
05
Landscaping includes permeable surfaces that promote natural water drainage and support local biodiversity.
The In-Filtration House is a noteworthy architectural project located near the Bow River in Calgary, Alberta. This design exemplifies a thoughtful response to both function and environmental challenges, particularly concerning water management in urban settings. The house serves multiple purposes, combining residential living with innovative strategies for capturing and reusing water. By focusing on sustainability and ecological awareness, this project represents a step forward in integrating architecture with the surrounding natural environment.

At the heart of the In-Filtration House lies its commitment to sustainability. The design reflects a deep understanding of water as a vital resource, particularly in urban landscapes where traditional management systems may fail. By implementing a comprehensive rainwater collection system, the project effectively captures precipitation, purifies it, and allows for its reuse in various applications. This elemental integration not only provides practical benefits but also encourages residents to engage actively with their environment. By situating the building strategically within its landscape, the design fosters a continuous dialogue between the structure and its natural surroundings.

The architecture of the house is characterized by its blend of materiality and openness. A significant feature is the façade clad in Corten Steel, which develops a natural patina as it weatherizes, allowing the project to organically blend with Calgary's rugged landscape. This choice of material not only enhances the visual appeal but also emphasizes durability and low maintenance, aligning with the overarching goal of sustainable living. The layered architectural design incorporates recessed areas that allow daylight to flood interior spaces while maintaining privacy and frame engaging views of the landscape.

The layout of the In-Filtration House provides a thoughtful approach to space utilization. With a footprint measuring 5m by 5m, it maximizes both private and communal areas. The design promotes flexibility and adaptability, ensuring that spaces can serve multiple functions as needs evolve over time. The inclusion of multiple courtyards not only facilitates natural ventilation but also introduces green spaces that enhance biodiversity and provide residents with lush retreats within the urban context.

The water management systems incorporated into the architecture further demonstrate unique design approaches. The use of engineered channels and rain gardens allows water to be effectively harvested and conveyed, transforming a potential environmental concern into an integral aspect of the living experience. The building's connection to the landscape is reinforced through the strategic placement of permeable pavers, allowing rainwater to percolate back into the ground, minimizing runoff, and promoting local flora.

The project engages with its geographical context in a way that respects the natural environment while addressing the practical needs of urban living. This architectural design not only caters to the residents but also serves as a model for future developments that prioritize ecological considerations alongside aesthetic values. The In-Filtration House makes a compelling case for how architecture can enhance daily life by promoting sustainability without compromising on comfort or style.

For those interested in understanding the nuances of this project, reviewing the architectural plans, sections, and designs will provide deeper insights into the innovative ideas that inform the In-Filtration House. Each element is carefully considered, from the materials used to the flow of water through the site, allowing for a comprehensive understanding of the project's intent and execution. Exploring these details can inspire readers to think critically about the role of architecture in shaping sustainable living environments.
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MICROHOME
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100,000 € Prize Fund / Kingpsan Edition #10
Kinderspace
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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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