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Rammed Earth Shelter with Slate Roofing and Glulam Structure

Author:
Kenneth Bostock
Rammed Earth Shelter with Slate Roofing and Glulam Structure

Project in-detail

Harnessing the thermal advantages of rammed earth construction and the renewable energy potential of slate roofing, the building integrates a glulam structural framework to create a sustainable dwelling in Portugal’s landscape.
5 key facts about this project
01
Utilizes locally sourced rammed earth for improved thermal performance.
02
Incorporates a rain catchment system to promote water conservation.
03
Features overhangs designed for optimal solar gain control.
04
Constructed with a glulam frame for enhanced structural integrity.
05
Includes slate roofing that integrates renewable energy technology.

Located in Vale de Moses, Portugal, the building is designed with sustainability and environmental integration in mind. The function of the structure centers on offering a comfortable living space that aligns with modern ecological values. The design concept emphasizes energy efficiency and thoughtful use of materials while responding to the site’s natural features.

Design Elements and Materials

The slate solar roofing is a key feature, providing durable protection while generating renewable energy. This roofing choice enhances the building's functionality and adds to its visual appeal, bridging the gap between practicality and aesthetics.

A glulam frame serves as the primary structural element, showcasing efficient timber engineering. This material allows for spacious interiors and offers a more environmentally friendly option compared to traditional framing methods. The natural warmth of the wood creates an inviting atmosphere.

Rammed earth construction plays a significant role in energy efficiency. This method uses local materials, creating thick walls that help maintain a stable indoor temperature. This choice reflects a respect for local building traditions while ensuring a minimized impact on the environment.

A rain catchment and recycling system is integrated into the design, addressing water management effectively. By capturing and reusing rainwater, this system supports sustainability and reduces demand on local water supplies. It emphasizes responsible resource use in the living environment.

Overhangs have been strategically designed to enhance solar gain, allowing natural light to illuminate the space while also providing shade during hotter periods. This design consideration showcases an understanding of local climate conditions while promoting energy efficiency in the home.

Sustainable or recycled wood flooring adds to the interior aesthetic. This flooring choice supports the commitment to eco-friendly materials, providing both visual warmth and a tactile connection to nature.

Large windows frame stunning views of the landscape, establishing a connection between the interior and the outdoors. This design choice encourages residents to engage with their surroundings, making the experience of living in the space more enriching.

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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

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