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Rammed earth house blends traditional materials with modern techniques in Vietnam’s last frontier
The northernmost province of Ha Giang in Vietnam, characterized by its remote location, cultural richness, and natural beauty, faces significant challenges in terms of poverty and access to infrastructure and education. To address these issues and promote sustainable development, Switzerland NGO Caritas collaborated with Hanoi-based firm 1+1>2 Architects to develop the Swallow Homestay and Community House. This project aims to support eco-tourism in the region, often referred to as Vietnam's "last frontier," by combining traditional construction materials with contemporary techniques.
The Swallow Homestay and Community House, situated in the Nam Dam minority village of Quan Ba District, offers panoramic views of karst mountains, terraced fields, and pine forests. The building functions as a central landmark for the village, designed to preserve local identity while fostering tourism. It integrates community meeting spaces and prioritizes the use of locally sourced materials and labor, thereby contributing to the local economy. The architectural design draws inspiration from the swallow, a bird symbolizing good luck, reflected in the building's distinctive beveled folding roof.
Constructed on a foundation of local natural stone, the two-story structure comprises five bedrooms, various meeting areas, and a small museum. The first floor features 80-centimeter-thick rammed earth walls, chosen for their ability to prevent erosion and regulate internal temperatures, which reduces the need for artificial heating and cooling. This natural insulation contributes to the building's energy efficiency.
The second floor is built with a timber frame, incorporating reinforced concrete beams and columns for structural integrity. Timber is extensively used throughout the upper level for floor panels, walls, and trusses, maintaining a connection with traditional building practices. The roof, made with double-layered tiles, is asymmetric and elevated, featuring a skylight that maximizes natural ventilation and lighting within the interior. Furthermore, the design incorporates a rainwater harvesting system, collecting water from the roof into an underground tank for reuse in the bathrooms, enhancing the building's environmental sustainability.
This architectural model is intended to stimulate the village's economy, safeguard its cultural heritage, strengthen community bonds, and facilitate future development. The project exemplifies a harmonious blend of traditional aesthetics and modern sustainable practices, creating a functional and culturally relevant structure that benefits both the environment and the local community.
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