Douro Palace - Hotel Resort & Spa is a four star hotel situated on the banks of the Douro River, designed by architect Rui Lima of T-Esquadro and promoted by JASE - Empreendimentos Turísticos. The product selected for this touristic development was the Portaro ® FD30 and acoustic which ensures a fire resistance for half an hour and noise reduction, providing safety and well-being. The Essential Line was elected to integrate the interior decor - wenge veneer SL flush doors, which combine with the contemporary style of the Hotel.