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Rainwater-Collecting Houseboat Utilizing 3d Printed Concrete and Fiberglass Insulation

Author:
Jordana Psiloyenis
Rainwater-Collecting Houseboat Utilizing 3d Printed Concrete and Fiberglass Insulation
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Utilizing 3D printed concrete and fiberglass insulation, the houseboat incorporates a rainwater collection system, creating a sustainable living solution within a coastal environment vulnerable to rising sea levels.
5 key facts about this project
01
Utilizes 3D printing technology for efficient construction.
02
Incorporates fiberglass insulation for enhanced energy efficiency.
03
Features a rainwater collection system for sustainable water use.
04
Modular design allows for flexible living configurations.
05
Designed specifically to adapt to rising sea levels in coastal areas.

The design features a modular houseboat concept located in a coastal area facing the challenges of rising sea levels. This approach provides a practical solution to urban living in environments that are vulnerable to water fluctuations. The houseboat integrates sustainability and energy efficiency into its core, offering both passive and active systems for maintaining comfortable living conditions. Community spaces are central to the design, encouraging interactions among residents.

Sustainability Focus

Sustainability is a primary focus, with the design addressing key issues such as energy use, water efficiency, and construction waste. The modular nature of the houseboat allows for varying layouts that adapt to different family sizes and lifestyles. Each component is thoughtful, providing flexibility and practicality. This approach meets the needs of modern living while being mindful of environmental impacts.

Innovative Resource Management

The houseboat incorporates an efficient water management system, prominently featuring rainwater collection for use in bathrooms and kitchens. This reduces the demand for municipal water, demonstrating a commitment to sustainable resource practices. Active heating and cooling systems benefit from solar panels, which help reduce energy consumption. This combination ensures a comfortable environment while promoting eco-friendly living.

Material Utilization

Materials are selected to enhance both design and function. The houseboat uses 3D printed concrete, which allows for accurate construction while minimizing waste. In addition, fiberglass insulation improves thermal performance, working alongside the houseboat's active systems for climate control. Sea-foam is also used, enhancing insulation and energy efficiency to make the space comfortable for all occupants.

Community Engagement

The design includes shared internal and external spaces that encourage social interaction among residents. These communal areas are carefully arranged to promote engagement, reflecting a desire for connection in residential living. The focus on community is significant, as it aligns with a growing recognition of the importance of relationships and shared experiences among neighbors.

Attention to small details benefits the overall functionality of the houseboat. For instance, the solar hatch allows for natural light while also providing ventilation, ensuring that living conditions remain pleasant and connected to the outdoors. This detail highlights the thoughtful design intended to enhance everyday life in a unique living environment.

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Enter an open architecture
competition now

Kingspan MICROHOME 2026: Building Less to Create More

`
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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