14 Dwellings in Formentera
Oliver, Martín, Moyá & Reina
Balearic Islands, Spain
The development of these dwellings is born from the ongoing investigation Life Reusing Posidonia, a project aimed to prove the ecological footprint of buildings can and must be reduced.

Traditional architecture is the main reference, not just formally, but in the way of working. The process starts with the search for elements from the island that can be used. The savines, with which slabs were built in the past, are protected, and the ‘marés’ quarries are empty. Only what arrives by sea can be used: posidonia and boats (and the pallets that remain on the island because it is expensive to ship them). The project proposes a change in concept: “Instead of investing on a chemical plant located 1,500 kilometers away, we will allot the same budget to hire local, non-expert workers, who have to lay the posidonia out in the sun to dry it, and compress it in pallets, obtaining 15 centimeters of roof insulation. Sea salt will serve as a natural biocide, and the product will be completely ecological because there is no industrial process.” 

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© José Hevia
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All the dwellings have two bedrooms and living-dining-kitchen spaces with double orientation. They also enjoy cross ventilation towards the dominant winds – North and East sea breeze –, and large glass surfaces and south-facing skylights to warm up the houses in winter, accessible, and with solar protection. In winter the constant temperature indoors is 21-22º without turning on the heating.

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© José hevia
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© José Hevia
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© José Hevia
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© José Hevia

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