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Thermal Mass and Natural Ventilation in Recycled Timber Retreat

Authors:
Long Kwan, Wai Yin Ryan Tung, Ching Tao Albert Leung, Ho Yin Cheung
Thermal Mass and Natural Ventilation in Recycled Timber Retreat

Project in-detail

Recycled timber forms a resilient structure designed for optimal thermal performance and passive ventilation, creating a sustainable retreat that seamlessly integrates with its forested surroundings.
5 key facts about this project
01
Recycled timber is utilized throughout the structure to enhance sustainability.
02
Cross-laminated panels provide superior insulation and structural integrity.
03
Charred wooden shingles ensure durability while minimizing maintenance needs.
04
Natural ventilation is achieved through a carefully designed passive airflow system.
05
The bent A-frame design optimizes thermal performance and aesthetic appeal.

The Hearth is an architectural design project that emphasizes the integration of human habitat with its natural surroundings. This design articulates a philosophy rooted in environmental stewardship and user-centric living. Functionally, it serves as a retreat that promotes relaxation, community, and a connection to nature, encapsulated by a contemporary aesthetic that honors traditional architectural principles.

The design features a series of modular units characterized by a conical form, allowing for efficient thermal performance while providing ample views of the surrounding landscape. These units are elevated to minimize soil disruption and maximize engagement with the natural terrain. The architectural strategy employs bioclimatic principles, leveraging passive heating and cooling techniques to maintain indoor comfort.

One of the defining attributes of The Hearth is its use of decentralized heating solutions, allowing each space to independently regulate temperature through a combination of thermal mass and natural ventilation. This approach promotes energy efficiency while enhancing occupant comfort. The materials selected—such as QuadCore LEC insulated panels, recycled timber for structural elements, and polycarbonate glazing—emphasize sustainability without compromising aesthetic quality.

Design Integration with Natural Environment The Hearth uniquely integrates its architectural elements with the environment, blurring the lines between indoors and outdoors. Extensive use of windows and skylights maximizes natural light and views, fostering a direct connection to the shifting landscape. By orienting the structures to harness prevailing winds and sunlight, the design effectively reduces the need for mechanical heating and cooling systems, thereby decreasing overall energy consumption.

The adoption of modular units facilitates flexibility in usage while allowing for individual customization. Occupants can adjust spaces to suit their needs, whether for social interaction or solitary retreat. The project's adaptability also extends to its potential for future growth, enabling configurations that can evolve alongside the needs of its inhabitants.

Materials and Environmental Considerations The Hearth employs a carefully curated selection of materials that align with its ecological goals. The use of locally sourced recycled timber decreases transportation emissions and supports regional economies. Innovations such as Trofikat™ vinyl ceiling tiles and clay plaster finishes not only provide functional benefits—such as durability and insulation—but also contribute to a holistic aesthetic that resonates with the natural surroundings.

The incorporation of rainwater harvesting systems and advanced insulation techniques demonstrates a commitment to sustainable practices. These elements collectively contribute to a reduced carbon footprint, positioning The Hearth as a responsible architectural initiative in an era increasingly focused on sustainability.

For a detailed examination of the project's architectural plans, sections, and its comprehensive design ideas, readers are encouraged to explore the full presentation. Insights into the intricacies of design and the innovative approaches will provide a deeper understanding of The Hearth and its role in contemporary architecture.

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The Mujassam Watan Urban Sculpture Challenge invites architects and designers to create iconic public sculptures for one of two sites in Saudi Arabia: Abu Hadriyah Road or the Tharwa Sea Front in Al-Khobar. Proposals should reflect Saudi identity, culture, and future aspirations.

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The Mujassam Watan Urban Sculpture Challenge is an international architecture and design competition inviting creatives to shape the future of Saudi Arabia’s public spaces. With a total prize fund of €50,000, the competition calls for sculptural proposals that merge cultural symbolism with innovative design, offering participants a chance to see their concepts brought to life in a rapidly transforming national context.

Organised by Buildner in partnership with the Mujassam Watan Initiative, the challenge focuses on two prominent locations: Abu Hadriyah Road, a major highway and gateway into the Eastern Province, and the Tharwa Sea Front in Al-Khobar, a pedestrian-focused waterfront district. Designers must select one site and develop a sculpture that engages with its surroundings—whether addressing the fast-paced dynamism of a transit corridor or creating moments of interaction along a coastal promenade.

Proposals should be bold, site-specific, and rooted in narrative—drawing on themes such as heritage, national identity, transformation, and dialogue. Environmental responsiveness, material durability, and feasibility are strongly encouraged, as winning projects may be selected for actual construction.

Each submission must include four A2 landscape presentation boards, a cover image, and a written project description. The competition is open to professionals and students alike, working individually or in teams of up to four people. No professional license is required.

Registration is open until July 24, 2025, with final submissions due by August 27, 2025. Winners will be announced on October 1, 2025.

Mujassam Watan Urban Sculpture Challenge

Design iconic urban sculptures for the prestigious Mujassam Watan competition and compete for 50,000 €

50,000 € PRIZE project COMPETITION
Prize 50,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 24 July 2025

Enter an open architecture
competition now

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