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Basalt Soaking Pool Framed by Glulam Beams in a Landscape-Integrated Refuge

Authors:
Kendall Dej Johnson, Reannin Donati, Lauren Grace Metzger, Sara Nichole Storey
Basalt Soaking Pool Framed by Glulam Beams in a Landscape-Integrated Refuge

Project in-detail

Combining a basalt soaking pool with a glulam frame, the architecture integrates seamlessly into the Icelandic landscape while serving as a communal retreat for relaxation and cultural connection.
5 key facts about this project
01
Basalt elements, including a soaking pool, enhance thermal efficiency and blend with the local geology.
02
Glulam beams create a lightweight and flexible structural framework, allowing for larger open spaces.
03
Custom birch wood treatments provide warmth and texture, contrasting with the surrounding landscape.
04
The design minimizes internal framing, reflecting traditional Nordic clinker boat construction techniques.
05
Large glass panels facilitate unobstructed views of the Icelandic landscape while maximizing natural light.

## Project Overview

The Langthaven design is situated in Iceland, focusing on the interplay between architecture, landscape, and the local cultural narrative. The name "Langthaven," meaning "long haven," underscores its purpose as a refuge while honoring Iceland's maritime history. This report details the architectural features, materials, and strategies implemented to create a structure that resonates with its historical and geographical context.

### Spatial Strategy and Functionality

The design prioritizes harmony with the surrounding topography, fostering a visual and experiential connection between the built environment and natural landscape. Inspired by traditional Nordic shipbuilding techniques, Langthaven employs a lightweight construction that minimizes internal framing, enhancing structural integrity. The layout incorporates communal and recreational spaces, such as a sunken warming lounge and viewing decks, encouraging interaction with the northern lights and the Icelandic vista.

### Material Selection and Environmental Considerations

Materials were chosen for their cultural significance and environmental compatibility. Local basalt is used for the hot spring soaking pool and seating around the fireplace, emphasizing sustainability. Custom-shaped birch wood walls with varied surface treatments highlight the structure's warmth and connection to local tree species. The design also employs concrete for durability against Iceland's harsh weather and large glass panels to maximize natural light and views. Overall, these material choices contribute to a cohesive dialogue between the architecture and its surroundings, ensuring functional and aesthetic harmony.

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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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