Friday, November 4, 2011


Almudena Eco-House 2007
Almudena Martín
Navalafuente, Madrid
256.02 m2
243,000 euros

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1. Most Important Goals
- Make new formal proposals, based on dynamic composition of walls of high thermal load.
- Designing a house with a high degree of industrialization.
- Integrate a pool inside a home, without altering its high bio-climatic.

2. Architectural Solution
The house is located in the Sierra de Madrid, in a plot with attractive views to the north. It is therefore necessary that the house has a large glass of north and south.
On the other hand, we want to integrate within the housing an indoor pool and solar heated.
The integration of a pool in a bioclimatic house is always a problem, since it increases the level of humidity in the home, with the attendant problems of condensation, increased the feeling of cold in winter, and the increased sense heat and "embarrassment" in summer.
To resolve these problems, and to integrate it into the house, the pool is attached laterally to it. Is separated by large windows and glass doors, so it does not increase the indoor humidity. On the other hand, the pool is covered above by rooms of the house, which recently joined the group, and bioclimatic performance improves.Thus, the pool can become a greenhouse, closing the windows of the north and south, or in a cool, opening. That is, the pool provides a pleasant environment, both in winter and summer.
The housing structure is tripartite. The central area, one double-height space is the living room-kitchen of the house. In this space are focused on other rooms of the house, sharing the same temperature. In summer, the shutters close completely outside the South, and the house is illuminated by indirect sunlight from the north (thus, naturally lit, and not heated). In contrast, in winter, fully open the shutters of the south and the housing becomes a huge greenhouse, maximizing solar radiation and warming itself.The formal structure of the house represents and reflects the cult surrenders to the use of load-bearing wall in the composition of buildings with high bioclimatic. Wall burden greatly increases the thermal inertia of the building, and is able to store heat or cool, and maintain a stable temperature inside the building.

3. Sustainable Analysis
1. Resource Optimization
1.1. Natural Resources. They take full advantage of resources such as the sun (to heat the house), the wind, water and earth (to cool the housing), rain water (for watering the garden and flushing toilets), .... . On the other hand, has installed water saving devices on taps, showers and flush toilets.
1.2. Resources made. The materials used are maximized, reducing potential waste through proper project, effective management, and above all, because each component of the building has been individually built at the factory.
1.3. Resources recovered, reused and recycled.
All building materials may be recoverable, including all elements of the structure. Thus, can be easily repaired, and reused in the mime building, or in any other.
Likewise, it has boosted the use of recycled and recyclable materials.
Finally, it has made extensive use of recovered materials (waste) and reused materials, such as wooden beams, furniture, flooring and accessories.
2. Decreased energy consumption
2.1. Construction.
The building has been constructed with minimal energy consumption. The materials used were manufactured with a minimum amount of energy, since all components are factory, with complete control. On the other hand, the building is constructed with very few assistive devices, being fully industrialized.
2.2. Use
Due to its characteristics bioclimatic housing has a very low energy consumption standard. The house is heated by greenhouse gases and a system of solar radiant floor heating. The hot water is generated through solar thermal captors. The house is cooled by geothermal systems architecture and spraying water, and needs no mechanical conditioning, so no energy to cool.
2.3. Dismantling
The vast majority of materials used can be recovered easily. On the other hand, the building is designed to have indefinite durability, since all the building components are easily recoverable, repairable and replaceable.
3. Using alternative energy sources
The energy used is of two types: solar thermal (solar captors for two ACS, and evaporation of water to air cooling), and geothermal energy (air refresh system taking advantage of low temperatures existing underground, in the galleries below forged sanitary housing).
4. Reduced waste and emissions
Housing does not generate any emissions and does not generate any waste, except organic. Some of these household waste are used again to treat them accordingly (gray water for watering the garden). On the other hand, during the construction of the house just waste were generated.
5. Improving health and wellbeing
All materials used are environmentally friendly and healthy and have no emissions that can affect human health. Similarly, the house is naturally ventilated, and maximizes natural light (artificial lighting can not be used as long as natural lighting), which creates a healthy environment and provides the best possible quality of life for building occupants .
6. Reduced price of the building and maintenance
The house has been designed rationally, and most of its components are industrialized, eliminating redundant items, unnecessary or gratuitous, allowing construction to a greatly reduced price, despite the ecological equipment includes. Similarly, housing is almost maintenance: Regular cleaning and treatment of wood biennial vegetable oils.
4. Eco-friendly materials
1. Foundations and structure.
Two sheets of drywall and insulation. The inner leaf is the load-bearing wall of reinforced concrete 15 cm. thickness (with high thermal inertia). The outer sheet is lightweight precast concrete of 6 cm. Inside there is a double sheet of hemp insulation layer of 5 cm. and a ventilated air space of 3 cm. In some parts of the facade has been replaced the outer concrete panel, a ventilated façade based Ipe wood treated with vegetable oils. The floor is made out of prefabricated concrete slabs.
2. Exterior finishes
Silicate paint. Tongue and groove boards and battens, Ipe wood, heat treated and dyed with vegetable oils.
3. Interior finishes
Paintings vegetables. Parquet floorings bamboo plywood. Double panel doors bamboo plywood, and treated with vegetable oils.
4. Cover
Roof garden, with an average thickness of 30 cm. of land. Pitched roof sandwich panel based consists of: top Viroc board (wood chips and cement) of 13 mm, bottom board of birch plywood 13 mm, and internal insulation hemp fiber 10 cm. thick. Based coating with a layer of rubber, and a coating of zinc sheet.
5. Others
Polypropylene water pipes. Polyethylene drainage pipes. Energy-efficient appliances. Silestone kitchen countertops antibacterial. Walls and floors of high performance glass (anti-scratch, slip, easy cleaning, special screen ...). Iroko wood carpentry treated with vegetable oils. Cotton canvas awnings. Shading Ipe hardwood, treated with vegetable oils. All woods used have a certificate of origin with selective logging and ecological treatment (FSC).

 5. Highlights Innovations
- Structure of a bioclimatic pool, built into a home.
- Prefabricated system of structure based on double wall (wall charge and wall covering), which allows total removal of the dwelling in order to facilitate the repair or reuse of all components, including the structure itself.

Ken Iwata Mother and Child Museum in Imabari City

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