(Department of Energy Engineering. Faculty of Engineering of Bilbao)
(Department of Energy Engineering. Faculty of Engineering of Gipuzkoa)
(Department of Materials Science. Faculty of Engineering of Bilbao)
(Laboratory for the Quality Control in Buildings. Thermal Area)
(Department of Energy Engineering. Faculty of Engineering of Vitoria)
(Department of Energy Engineering. Faculty of Engineering of Gizpuzkoa)
(Performing the thesis)