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Pergola Pavilion in Lo Barnechea, Chile
The Pergola Pavilion, designed by PAR Arquitectos, is an outdoor structure located next to an existing swimming pool in Lo Barnechea, Santiago, Chile. The project was conceived as an isolated and open construction at the end of a garden, leveraging the area's natural green environment typical of the pre-mountain range east of Santiago. The design draws inspiration from the traditional pergola, which serves as a light, autonomous frame supporting nature and various activities. This conceptual approach guided the development of the pavilion as an adaptable and integrated element within its natural surroundings.
The pavilion's design features a sequence of five modules, formed by six mixed structural trusses. These trusses are composed of white-painted steel pillars (100x100x3) and composite beams made from 2x8-inch Oregon Pine, all elevated on a stone base. This base raises the structure above the natural terrain, adding a distinct layer to the landscape. The layout includes two primary programmatic areas, clearly separated by a central concrete wall that runs transversal to the main volume. This wall cleverly houses the grill equipment, making it a functional and aesthetic divider within the space.
One of the programmatic areas is a permeable and translucent recreation space. It is enclosed by a louver system made from 1x4-inch Oregon Pine, which extends along the entire length of the volume, offering both privacy and a connection to the outdoors. The second area is a sealed service module, intentionally detached from the main modulation. This section contains essential amenities such as a kitchenette, a bathroom, and a wine cellar, providing practical support for the recreational activities without disrupting the open feel of the primary space.
A key aspect of the pavilion's design is its inherent flexibility for future expansion. The repetitive nature of the structural framework allows for the potential addition of new programmatic units, such as a playroom or a spa, without compromising the overall compositional integrity of the structure. The anchoring of the structural components is meticulously detailed, with metallic joinery that serves as both a functional connection and a visual element, contributing to the project’s distinct character.
The orientation of the pavilion, specifically its eastern alignment, is complemented by integrated transparencies, skylights, and louvers. These features are strategically employed to optimize natural light and ventilation, creating diverse illuminated areas throughout the day. Additionally, specific cuts in the deck and floor platform incorporate an interior planter, further blending the built environment with nature. The material palette prioritizes noble, low-maintenance, and durable materials, including Oregon Pine lumber for the structure and pallets, treated with a colorless waterproofing varnish. The flooring consists of Lorenzini WPC gray-gray deck, while the ceiling features 1x4-inch wood board pine from Arauco, treated with white varnish and nailed to rafters, forming a rigid diaphragm with the OSB wood board of the roof. The project was completed in 2017, spanning an area of 52 square meters, and photographs were taken by Diego Elgueta.
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