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Charred Shingles and Cross-Laminated Timber Elevate Sustainable Urban Living

Authors:
Natalia Raczkowska, Alex Ritivoi
Charred Shingles and Cross-Laminated Timber Elevate Sustainable Urban Living
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Utilizing charred shingles and cross-laminated timber, the design integrates natural elements into a community space that emphasizes wellness and environmental sensitivity.
5 key facts about this project
01
Utilizes a dual-layer glazed façade that incorporates greenery for natural air filtration.
02
Features a koi garden with an oxygen-enriched pond designed to enhance biodiversity.
03
Constructed primarily with sustainable cross-laminated timber to reduce carbon footprint.
04
Incorporates adaptive climate control systems that respond to environmental conditions.
05
Design elements include charred wooden shingles that enhance durability and aesthetic appeal.

## Project Overview
"Breathe_In," located in Cracow, Poland, addresses significant urban challenges related to air quality and community health. Situated in a city facing notable air pollution issues, the design intent focuses on merging natural elements with functional architecture to promote environmental awareness and enhance community interaction.

### Site Strategy and Community Engagement
The site plan includes several interactive zones designed to foster community engagement and well-being. An indoor patio provides a tranquil environment that allows for nature exposure, while flexible activity areas cater to diverse community activities, encouraging social interaction. Key features include a koi garden and an oxygen-enriched pond, which contribute positively to the local ecosystem while enhancing aesthetic appeal. Leisure decks, characterized by organic shapes and constructed with wooden platforms, offer spaces for rest and contemplation in a landscaped setting filled with native flora.

### Sustainable Materiality
The project emphasizes responsible material use and ecological integration. Cross-laminated timber (CLT) forms the structural basis, optimizing cost-efficiency and minimizing excavation impacts, while promoting climate resilience. The intelligent façade utilizes double-glazed glass with an interstitial layer of vegetation, facilitating natural ventilation and air purification. Green walls and a selection of indoor plants, including *Chrysalidocarpus lutecens* and *Hedera helix*, serve to enhance indoor air quality. Additionally, decorative grasses and native plant species are incorporated into the landscaping, supporting local biodiversity and creating inviting outdoor environments.

### Distinct Architectural Features
Among its notable characteristics, the project includes an oxygenator installation that emphasizes the importance of public spaces in promoting health. The adaptive climate system, integrated within the façade, utilizes sensors to optimize energy consumption while maintaining the greenery within the building. The architectural form of "Breathe_In" harmonizes with traditional Polish architecture, yet embodies modern design principles, reinforcing its commitment to sustainability and community healing.

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Affordable Housing Series 19th Edition
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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

Open architecture competitions

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