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Seville's Alcázar Fights Humidity with Advanced Technology

An innovative wireless electro-osmosis system will be installed in the monument to eradicate rising damp and protect its heritage.

Detail of tiles and arches in the Real Alcázar of Seville showing signs of moisture.
IA

Detail of tiles and arches in the Real Alcázar of Seville showing signs of moisture.

The Royal Alcázar of Seville has launched an ambitious project to combat persistent rising damp in its palaces, utilizing a wireless electro-osmosis system.

The Royal Alcázar of Seville faces a structural challenge for the conservation of its heritage: rising damp. This phenomenon, caused by high ground moisture and shallow water tables, poses a critical risk to the integrity of the monument's walls and coatings.
To definitively eradicate the effects of this pathology, the monument's management has opted for a cutting-edge technological solution: wireless electro-osmosis. This system, which requires no external power or invasive construction, works by reversing the electrical polarity of water in the building material's capillaries to progressively dehydrate the walls.
The intervention will cover a total area of 5,870 square meters across key areas such as the Mudejar Palace (1,830 m²), the Baths of Maria de Padilla (1,900 m²), the Gothic Palace (1,310 m²), and the Maestre's House (830 m²). The base tender budget amounts to €243,885.18 (VAT included).
The project includes a rigorous three-year monitoring service, with periodic technical reviews to verify moisture reduction. The contractor must guarantee the system's effectiveness, which is designed to act as a permanent horizontal barrier. Equipment supply will be completed within one month, and full system activation within a maximum of two months after contract formalization.