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Moss-Covered Facades and Curved Concrete Shelters in Icelandic Caves

Authors:
Qinying Tan, Peiyun Wu
Moss-Covered Facades and Curved Concrete Shelters in Icelandic Caves

Project in-detail

Moss-covered facades and strategically placed skylights enhance the interaction between interior spaces and the natural landscape of Grjotagja cave, creating an engaging visitor center that emphasizes ecological awareness and cultural education.
5 key facts about this project
01
Moss-covered facades encourage natural growth, enhancing ecological integration.
02
Curved concrete shells provide structural support while mimicking natural forms.
03
Skylights designed as analogs to cave fissures offer dynamic lighting throughout the day.
04
The layout promotes a seamless flow of visitors through exhibition and exploration areas.
05
The design reflects local architectural traditions while employing sustainable practices.

The design located near Grjotagja cave in Iceland enhances the visitor experience while honoring the natural landscape and local culture. The project aims to connect people with the geological significance of the caves. By placing the car park farther from the entrance, the design focuses on the caves themselves. This decision encourages visitors to immerse themselves in the unique environment that defines the site.

Conceptual Framework

The project draws inspiration from vernacular architecture, particularly turf houses. This influence is visible in the integrated roof that blends visually with the landscape. The design enhances the site's character and functionality, creating a harmonious relationship with the terrain. Each element is purposefully chosen to contribute to the overall experience.

Architectural Features

Skylights are a key feature of the design, mimicking natural cave formations. They allow light to enter interiors, creating a bright and inviting atmosphere. As natural light changes throughout the day, it transforms the spaces within the building. This dynamic interaction fosters a strong connection between the interior and the surrounding landscape, drawing visitors in.

Visitor Experience

The visitor center acts as a gateway to the Icelandic landscape, encouraging exploration and learning. A well-thought-out flow of activities, including exhibitions and management areas, enhances visitor engagement. One notable feature is the bridge-like extension of the skylight, which provides elevated views of the remarkable environment. This connection encourages visitors to engage meaningfully with the natural surroundings.

Materiality and Sustainability

Material choices reflect an emphasis on ecological integrity. Loose brick joints filled with seeds encourage moss growth, creating a living facade that remains connected to nature. Lightweight imitation stone bricks integrate with the landform, while a curved concrete shell offers structural support. A light steel truss system allows for spacious interiors that prioritize sustainability.

The interior spaces are finished with gypsum board, ensuring simplicity and functionality. Each design choice respects the site's geological and cultural significance. The focus is on creating a welcoming environment that invites visitors to explore and appreciate Grjotagja cave and its surroundings.

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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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