Apan (INFONAVIT House Prototipe) by PPAA

Conforms to decent housing characteristics and meets user needs

Project Specs


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Appreciation towards PPAA for providing the following description:


Apán, is a project part of a master plan called “Laboratory of Research and Practical Experimentation of Housing INFONAVIT” includes 32 experimental prototypes of rural housing of the Research Center for Sustainable Development.

▼住宅外观,exterior view of the house © Rafael Gamo


The objective of the project was to build a house in a rural context that met the characteristics of a decent home and satisfied the needs of users. In the same way, the project departs from the analysis of the site at the town of Zaragoza, Coahuila with a specific purpose of achieving a complete adaptability of the housing prototype to the site. Its location and proximity to the city of Piedras Negras generates a particular social context due to its connection with the United States. The inhabitants of this locality present a strong aspiration to the American way of life that was reflected in the buildings of the localities. On the other hand, Zaragoza has an extreme climate, but with a presence of humidity due to the San Antonio River, which is a slope of the Rio Grande. Due to this, the acequias can be appreciated in the different localities of the municipality.

the design of the house is suitable for the surrounding environment © Rafael Gamo

▼可抵挡恶劣天气的混凝土墙,concrete walls to protect against bad weather © Rafael Gamo


We proposed the use of a local building system based on masonery with a cement – sand covering with dye. All project walls have a concrete layer to withstand the climatic conditions of the local humidity. The roof system recovers the vernacular system of the rural houses, as does the traditional rainwater drainage system.


stained sand and stone create the building’s facade © Rafael Gamo


▼起居空间,living area © Rafael Gamo

▼独特的木制楼梯间,special wooden staircase © Rafael Gamo

The project is based on two volumes dividing the private from the public and recovery elements of the program of traditional architecture, such as the porch. With the main entrance facing south and services concentrated to the north, we generate a facade without windows and the rear facade open to the landscape. A progression scheme is proposed according to the growth of the number of members. The system works by repeating the same chamber module laterally. The project contemplates a mezzanine height of 3.26m with the purpose of dignifying rural housing through the creation of larger spaces.

▼楼梯间与起居空间细部,living space and stair details © Rafael Gamo

▼光线充足的的楼梯拐角,the corner of the well-lit staircase © Rafael Gamo

▼模块化系统平面图,modular system plan © ppaa

Location: Hidalgo, México.
Year: 2017
Construction: 58 sq.m.
Photography: Rafael Gamo
Team: Pablo Pérez Palacios
Miguel Vargas, Jesús García, Laura Fernández,
Carla Celis, Jorque Quiroga, Enrique Villegas.

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