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Sustainable Earth Walls and Guadua Framework in a Flexible Residential Design

Authors:
Jeffrey Alexander Diaz Florez, Laura Daniela Galeano Gutierrez, Araceli Chandia, Marco Aurelio Galan Henriquez, Wilmer Penagos
Sustainable Earth Walls and Guadua Framework in a Flexible Residential Design

Project in-detail

Utilizing Barichara stone and Guadua bamboo, the design integrates earth walls and innovative storage solutions to create a flexible residential space that promotes sustainability and adaptability within its natural landscape.
5 key facts about this project
01
Utilizes locally sourced Barichara stone for structural integrity and aesthetic appeal.
02
Incorporates Guadua bamboo for flexible and sustainable framework construction.
03
Features innovative earth walls made from a clay and straw mixture for thermal efficiency.
04
Includes a butterfly facade design to enhance natural light and ventilation.
05
Employs rainwater harvesting systems and hydroponic gardens to promote self-sufficiency.

### Overview

Casa Macondo is situated in the Chichamocha canyon region of Colombia, designed to align with both sustainability principles and local cultural identity. Commissioned by Chimila and Guanneta, the intent was to create a residence that serves not only as a home but also as a sanctuary fostering creativity and a sustainable lifestyle, reflecting a harmonious relationship with the surrounding ecosystem.

### Materiality and Sustainability

The materials selected for Casa Macondo embody both ecological and cultural significance. Barichara stone provides foundational stability while offering an earthy aesthetic. Guadua bamboo, known for its strength and flexibility, is utilized throughout the framework. Earth walls made from a clay-straw mixture ensure thermal comfort and represent a commitment to local resources. Innovative components, such as a biodegradable 3D-printed mesh, enhance the structural dynamics, and QuadCore LED insulated roof panels contribute to energy efficiency by integrating greenery into the living environment.

### Spatial Configuration and Water Management

The open-plan design of 25 square meters promotes a fluid spatial experience, eliminating traditional boundaries to foster adaptability. A pulley system for storage maximizes utility and maintains an uncluttered interior aesthetic characterized by warm, natural tones. The project prioritizes water management through systems like rainwater harvesting and wastewater filtration, promoting self-sufficiency and minimizing ecological impact. Unique features, such as a butterfly facade that facilitates natural airflow and light, further enhance the interaction between the interior spaces and the environment.

Casa Macondo exemplifies the integration of high-tech solutions with traditional building methods, incorporating local craftsmanship to reinforce its connection to the regional context. This design approach illustrates a commitment to fostering a sustainable lifestyle while embracing cultural narratives, all within an innovative architectural framework.

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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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