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An Excavated Museum with ETFE Facades for Cultural Exhibitions

Author:
Carlos Balaguer García
An Excavated Museum with ETFE Facades for Cultural Exhibitions
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An excavated volume formed from volcanic rock creates a unique cultural space, enhanced by ETFE facades that facilitate natural light and ventilation, serving as a versatile venue for exhibitions and community engagement.
5 key facts about this project
01
Excavated volume reduces visual impact on the flat landscape.
02
Volcanic rock is used for its natural thermal properties.
03
ETFE facades provide lightweight, transparent barriers.
04
Design accommodates flexible exhibition and community spaces.
05
Natural ventilation enhances indoor climate control.

The design integrates a museum into a flat volcanic landscape, creating a thoughtful relationship between the building and its natural surroundings. By employing an excavated volume, the structure minimizes visual disruption while allowing for significant internal heights that cater to diverse exhibition requirements. The overall design seeks to merge the museum with its environment, providing a place for cultural engagement and exploration.

Concept and Functionality

At the heart of the design is the idea of excavation, which reflects the natural features of the landscape. Lowering the building into the ground reduces its visual impact, allowing the extracted materials to form a protective barrier. The entrance is thoughtfully placed along a path that leads visitors into a central hall, creating an inviting atmosphere and enhancing accessibility from the outset.

Interior Layout and Museography

The internal layout is organized to promote both visitor interaction and operational effectiveness. A ramp allows for easy movement to the exhibition spaces, while separate areas like a restaurant, co-working spaces, and meeting rooms cater to different activities. This design approach encourages flexibility and challenges the conventional museum format, transforming it into a multipurpose venue that adapts to various cultural programs.

Bioclimatic Strategies

Key to the design are the bioclimatic strategies that enhance both comfort and sustainability. The building features radiation-permeable decks and facades alongside an air chamber, using natural light and airflow to create a pleasant environment. Thermal regulation is supported by the presence of volcanic rock, which retains heat and helps maintain consistent indoor temperatures. Openable facades allow for ventilation, ensuring a comfortable climate year-round.

Material Selection

The materials used in the project serve both practical and aesthetic purposes. Volcanic rock is a primary choice, enhancing thermal efficiency, while ETFE facades provide transparency and natural light without sacrificing insulation. Such selections contribute to the vision of a space that connects with the landscape, emphasizing an environmentally responsible design approach. In its detailed elements, the building features textured surfaces and forms that echo the surrounding volcanic terrain. This careful consideration allows visitors to make a connection with the landscape, enhancing their overall experience within the space.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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