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Water Harvesting Systems with Filament Winding Fabrication in Sustainable Housing

Authors:
Laura Garofalo, Omar Khan
Water Harvesting Systems with Filament Winding Fabrication in Sustainable Housing
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Utilizing filament winding fabrication for lightweight components, the design incorporates comprehensive water harvesting systems to create sustainable housing in urban contexts.
5 key facts about this project
01
Filament winding fabrication allows for lightweight and strong structural components.
02
Integrated water harvesting systems support sustainable domestic water use.
03
Internal cavities facilitate gray water treatment based on wetland principles.
04
Thermal mass is achieved using stored rainwater for energy efficiency.
05
Design emphasizes direct interaction with local water cycles.

The Home Spun project addresses the needs of shrinking cities, particularly those within the Great Lakes region. It seeks to redefine urban housing by connecting sustainable practices with systems for managing water. The design aims to create a community that emphasizes the importance of ecological health while engaging with nearby water sources. By encouraging interaction with natural water cycles, residents are invited to reconsider their relationship with this vital resource.

Design Concept and Spatial Configuration

The architectural framework of Home Spun reconsiders how living spaces relate to water systems. The design centers on making the water containment system a prominent feature, shifting away from conventional plumbing as an afterthought. This layout creates a direct connection between residents and their environment, allowing for meaningful engagement with the local ecology. It is particularly designed to enhance density and efficiency in neighborhoods affected by population loss and urban decline.

Construction Techniques

Filament and tape winding fabrication techniques are utilized, resulting in lightweight prefabricated components. This construction method optimizes the use of existing manufacturing resources and minimizes energy use during production and transportation. The reduced weight of these components allows for easier installation while supporting the overall sustainability of the housing units.

Water Harvesting and Management

Home Spun’s design includes effective water harvesting systems. It captures rainwater and melting snow, storing it within structural columns that fulfill multiple roles. Internal cavities direct the collected water from the roof to a holding tank, and an integrated living machine processes gray water using principles drawn from wetlands. This approach to water management supports sustainability and invites residents to participate in eco-friendly living.

Thermal Efficiency

To counter the challenges of lightweight construction, Home Spun integrates harvested water for thermal mass. The walls and columns are designed to help maintain indoor temperatures while serving domestic water needs. Additional features, such as a geothermal heat pump and a communal reserve water heater, create a comprehensive strategy for managing heating and cooling, ensuring comfort in the residential spaces.

The design exemplifies a thoughtful balance between living and environmental needs. By combining effective water management with innovative construction, it generates a space that responds to the realities of urban living.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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