Casa Orgánica’s concept was borrowed from dwarf or bonsai trees which are cultivated based on the idea that the less soil supplied for growth, the less the plant will grow. Dirt and grass both protect the membrane of the structure from harsh sunlight, wind, and the yearly wet-dry cycle, therefore, helping in the prevention of dilations and contractions that can cause fissures and lead to humidity.


The free forms in Javier Senosiain’s Casa Orgánica

Contrary to its surroundings, this semi-buried house overlooking the sprawl of Naucalpan De Juárez in Mexico is the embodiment of the sonorous relationship between human habitation and nature.

  • February 28, 2019

  • Written by Arielle Abrigo

  • Photographed by Francisco Lubbert

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The home is divided into two zones, one social, and the other more private and intimate. All windows were positioned strategically in places that would look out over the most pleasant parts of the garden. These south-facing openings capture the sun while framing the views of the outside. In the picture, the living room features a bench filled with small polyurethane balls that adhere to the shape and weight of the sitter.

The aftermath of intensive research about bio-architecture and freeform design led Mexican architect Javier Senosiain—who was a proponent of organic architecture, a particular approach expressive of varied styles that are responsive to the surrounding environment—to the creation of this peanut-shaped home with two expansive oval spaces that are connected by a narrow, dimly-lit passageway. Senosiain’s intent was to create spaces that utterly welcome the human body, accommodating to its scale and morphology without having to consider usual presumptions about what a house should look like. The idea for the proposal of the Casa Orgánica was based on the elemental functions required by a man: a place to live, which essentially includes a living room, dining room, kitchen, and a bathroom. 
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Several clay models were created for the structure, one dedicated to the analysis and design of the shapes, volumes and spaces outside, and the other to plan the inside spaces. Both of these models were developed throughout the course of the entire project with the interest and intensity of an important sculpture.

 Completed in 1984, this 174-square-meter bespoke home was designed with the desire to feel, upon entry, like one is going underground, conscious of how singular the space is, without losing the integration of the inside with the verdant landscape outside. The lines inside the home that curve and move at will play with free forms, and the sinuous walls which are serpentine in nature, wind and wrap around spaces. All these features are an apparent playful process in the design. Because of its distinct look, it is inevitable not to associate Casa Orgánica with the soft material an embryo is wrapped in. The home’s phantasmagorical interior is comprised of plastic skylights, cave-like lounge areas, tubular entryway periscopes, laundry-chute burrows, and water sinks and showers. Everything seems dizzying, but nevertheless inviting and effusively rapturous. 
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When the construction stage was reached, a cross was drawn in the center of the property, which served as a reference for a system of Cartesian coordinates. This made the placement of the center of circles easier. Using this as a base, a hose that was kept in place with stakes was employed to outline the walls of the house.

 Senosiain was heavily influenced by Antoni Gaudí, Friedensreich Hundertwasser, Frank Lloyd Wright, as well as experimental Modernists Félic Candela and Juan O’Gorman. He borrows from Barragán, therefore, embracing the profoundly emotional effect of transitioning from narrow, shaded spaces, to broad, illuminated ones. On account of this, the semi-buried house takes after important facets in vernacular Mexican architecture, especially in Barragán’s approach to nature, color, and craft. 
 
The construction process of the Casa Orgánica started by placing the frame for the ferrocement over the prepared foundation—the one that looked like a skateboard park—shaping the wrapper with a metallic frame. Iron rods bent and transformed into rings were placed inside, their height varying from one space to another. The rods were then rolled into a spiral shape. When the framework was complete, two sheets of chicken wire, interwoven with each other, were connected to it, thus creating a base upon which the concrete could be sprayed. The ferrocement was pumped through a flexible hose using compressed air and was pneumatically projected onto the chicken wire frame with such great force and impact that the material was extremely compact and its resistance was increased by approximately 30%. The end product was a shell about four centimeters thick, resistant because of its shape, waterproof, and very easy to build.
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Continuous, wide, integral, and light-releasing spaces follow the natural pace of one’s movements. Inside, furniture were carefully integrated facilitate these movements. Senosiain designed the home to seamlessly connect the interiors with the natural landscape outside.

 Semi-buried houses, just like our body temperature, remain stable in spite of changes in the weather outside. The soil acts like the skin, a moderator that controls variations in temperature by preventing the cooling and warming effects of the weather outside from rapidly or immediately changing temperatures inside. Interior and exterior temperatures turn out to be totally opposite from each other. The effect is such that when the hot summer arrives, temperatures inside are cool, and when the cold winter comes, the insides remain warm. The evaporation along with the transpiration of the lawn, plants, and trees, refreshes and oxygenates the interior thereby preventing atmospheric dryness, dust infiltration, and pollutants.
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The green dune wraps itself around the inside spaces almost completely, rendering it almost invisible so that, from the outside, all one sees are grass, bushes, trees, and flowers. To take a walk in the garden is to walk over the roof of the house itself without even realizing it.

 Along with all the other physical characteristics of the property, green barriers consisting of trees and bushes help filter sunlight, prevent penetration of solar rays, create shade that protects living beings from summer heat, provide protection from dust, and absorb noise pollution. Furthermore, the transpiration and evaporation emitted from plants and grass of all kinds refresh the air and increase absolute and relative humidity in the air closest to the surface, thus producing a cooling-off effect. It is important to emphasize that the soil and the sun work together to maintain a stable temperature inside the house: the earth shields the inhabitants from heat and cold, while the sun illumines and warms. B ender
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