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Cubic Shelters Featuring Cellular Glass and Sheep Wool Insulation for Sustainable Trekking Accommodations

Authors:
Franco Carnicelli, Silvio Pacati, Mariagrazia Bergamini, Giorgio Alberto Casilli
Cubic Shelters Featuring Cellular Glass and Sheep Wool Insulation for Sustainable Trekking Accommodations
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Constructed with cellular glass panels and sheep wool insulation, these cubic cabins provide sustainable lodging tailored for trekkers navigating the challenging landscapes of Iceland.
5 key facts about this project
01
Cubic form designed to optimize energy efficiency in harsh weather conditions.
02
Elevated on screw piles to minimize site disturbance and accommodate varied terrain.
03
Incorporates a small wind turbine for renewable energy generation.
04
Interior features automated ventilation and temperature control for enhanced comfort.
05
Exterior color scheme reflects local cultural identity through iconic Icelandic colors.

## Overview
The Iceland Trekking Cabins project, titled "Cubetto," is strategically located in the stunning landscapes of Iceland. This initiative aims to provide comfortable accommodations for trekkers while prioritizing ecological sensitivity and the integration of advanced technologies. Emphasizing a modern aesthetic, the design aligns with principles of environmental stewardship and innovative construction methods, responding to the challenges posed by Iceland's unique climate.

## Visual Identity and Material Efficiency
The cabins feature facades in vibrant hues, drawing inspiration from the colors of the Icelandic flag, thereby creating a visual dialogue with the local environment. The selection of materials focuses on sustainability and durability; components such as cellular glass panels, sheep's wool insulation, and galvanized steel not only enhance environmental performance but also contribute to the overall resilience of the structure against harsh weather conditions.

## Structural Integrity and Functional Design
The architectural structure utilizes a corrosion-resistant steel framework engineered to endure seismic activity and extreme wind loads typical in the region. Elevated on screw piles, the design minimizes ground disruption while optimizing thermal regulation. Internally, the cabins can accommodate up to ten individuals, offering private sleeping areas and communal spaces, which enhance flexibility for various group sizes. To adapt to modern needs, each cabin includes Wi-Fi access, ensuring connectivity while maintaining an ecological footprint.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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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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Early bird registration deadline 19 November 2025

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