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Rammed Earth Walls and Hydrophilic Surfaces Define Sustainable Desert Living

Author:
Yaqoob Al Khaja
Rammed Earth Walls and Hydrophilic Surfaces Define Sustainable Desert Living

Project in-detail

Utilizing rammed earth walls and hydrophilic surfaces, the design creates a water-efficient residence that effectively addresses the challenges of arid coastal living.
5 key facts about this project
01
Utilizes hydrophilic coatings to capture atmospheric moisture for drinking water.
02
Incorporates a wind catcher for enhanced natural ventilation and cooling.
03
Constructed with rammed earth for superior thermal mass and energy efficiency.
04
Features large north-facing windows with adjustable mesh shades for light control.
05
Adopts multi-functional furniture to maximize interior space flexibility.

## Overview

Located in the arid coastal regions of the Gulf Cooperation Council (GCC) countries, the Desert Dwelling is an architectural design focused on sustainability and adaptability. Addressing the environmental challenges characteristic of the region, the design combines local architectural traditions with contemporary practices, aiming to minimize ecological impact while enhancing the user experience.

## Sustainability and Water Management

The design employs several innovative strategies to promote sustainability. Surfaces are treated with hydrophilic coatings to capture atmospheric moisture, converting it into potable water, thus reducing reliance on conventional water sources. Additionally, a rainwater harvesting system is integrated to ensure efficient water management. The dwelling is engineered to operate off-the-grid, utilizing solar energy as its primary power source and prioritizing natural resources for operational efficiency. Natural ventilation is enhanced through a central wind catcher, which facilitates airflow and significantly lessens the need for air conditioning.

## Materiality and User Experience

In selecting materials, the design emphasizes both functionality and aesthetic alignment with the natural surroundings. The south wall incorporates insulated rammed earth, which provides thermal mass to regulate indoor temperatures effectively. Polished concrete flooring offers a cool surface during high temperatures, while large, strategically shaded north-facing windows maximize natural light, enhancing occupant comfort.

The flexibility of the interior space is evident in the open plan layout, featuring a retractable double bed and multi-functional furniture that adapts to varying activities. The color palette reflects natural desert tones, fostering a serene ambiance that complements the dwelling’s environment. Additionally, adjustable mesh shades ensure privacy and light control while integrating technology for improved user comfort. The exterior's simple silhouette and strategic landscaping enhance its visual connection to the surrounding landscape, establishing a seamless integration of built and natural environments.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

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
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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