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Spherical Ceilings and Reflective Surfaces Within a Sustainable Concrete Residence Adjacent to Natural Waterways

Spherical Ceilings and Reflective Surfaces Within a Sustainable Concrete Residence Adjacent to Natural Waterways
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Incorporating a spherical ceiling that mirrors the region's salt formations, this residence utilizes Roman concrete and expansive glass to create an energy-efficient home that harmonizes with its natural waterway surroundings.
5 key facts about this project
01
Incorporates an artificial lake that enhances thermal comfort through passive cooling.
02
Features a spherical ceiling design that evokes local salt formations.
03
Utilizes Roman concrete for structural durability and environmental resilience.
04
Maximizes natural light and views through expansive glass surfaces.
05
Integrates biophilic principles to strengthen connections with the surrounding landscape.

## Overview

The Salt House is strategically located near the Al Wathba salt lake, characterized by contrasting white salt formations and blue-green waters. The design reflects a commitment to integrating modern architectural practices with the unique environmental context of the site, resulting in a residence that harmonizes with its surroundings.

### Architectural Composition

The structure is designed in a rectangular form, oriented to maximize views of the lake while maintaining privacy. The main façade is equipped with carefully placed openings that facilitate ventilation and visual connections to both the courtyard and the exterior landscape. A defining feature is the spherical ceiling in the main sitting area, which mirrors the natural shapes of salt formations, reinforcing the relationship between the interior and the changing outdoor conditions. The inclusion of water features further enhances natural ventilation and temperature regulation within the home.

### Materiality and Sustainability

Material selection is crucial to the project’s sustainability objectives. The structure incorporates:

- **Roman Concrete**: Utilized for its durability and traditional roots, this material reduces environmental impact by blending historical techniques with contemporary design.
- **Sandstone**: Selected for its local relevance, this stone supports the aesthetic continuity with the landscape while ensuring robust structural performance.
- **Glass**: Predominantly used in windows and panels, glass optimizes natural light entry and provides unobstructed views of the surrounding environment.

These materials contribute to effective thermal regulation and energy efficiency, aligning with a broader commitment to sustainable living practices. The integration of an artificial lake offers climate control benefits while enhancing the sensory experience of the residence. The flexible interior layout promotes adaptability for occupants, facilitating a variety of interactions and communal or private spaces according to needs.

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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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